CN102038505A - Static balance assessing training method in back-supporting and weight-reducing mode - Google Patents
Static balance assessing training method in back-supporting and weight-reducing mode Download PDFInfo
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Abstract
本发明提供了一种背部支撑减重静态平衡评定训练方法，该方法通过一套背部支撑减重静态平衡评定训练系统进行，评定训练系统的硬件包括训练床、控制箱、主控计算机、主显示屏和患者用显示装置；训练床的倾斜角度可以调节，训练床的一端设有左右脚踏板组件，左右脚踏板组件上分别设有足底压力传感装置。评定训练系统的软件包括测试评估和功能训练两部分，通过对患者进行背部支撑减重(或不减重)形式下的维持站立平衡能力的测试评估，获取数据，根据评估结果确定训练方案，可有针对性地对患者进行渐进性的个体化静止方式站立平衡训练，有利于加快患者的康复。
The invention provides a static balance assessment training method for back support and weight reduction, which is carried out through a set of back support and weight loss static balance assessment training system. The hardware of the assessment training system includes a training bed, a control box, a main control computer, and a main display screen and patient display device; the inclination angle of the training bed can be adjusted, one end of the training bed is provided with a left and right pedal assembly, and the left and right foot pedal assembly is respectively provided with a plantar pressure sensing device. The software of the evaluation training system includes two parts: test evaluation and functional training. Through the test and evaluation of the patient's ability to maintain standing balance under the form of back support weight loss (or no weight loss), the data is obtained, and the training program is determined according to the evaluation results. Carrying out gradual and individualized static standing balance training to patients is beneficial to speed up the recovery of patients.
Description
Technical field
The present invention relates to a kind of balance evaluation and recovery training method of equilibrium function impaired patients, relate in particular to a kind of back support loss of weight static equilibrium evaluation training method.
Background technology
According to statistics, China's cerebrovascular, parkinson disease, craniocerebral trauma, spinal cord injury annual morbidity respectively are 2,19/,100,000,1,00/,100,000,55.4/10 ten thousand and 6/,100,000.And because aging, natural disaster takes place frequently and contingency increases cause, sickness rate is increasing year by year.These diseases and damage can cause the equilibrium function obstacle, and even disabled.Seriously ill residual patient is an example with 320 of present survival～4,000,000 cerebrovasculars, and the equilibrium function obstacle is one of main disability-causing factor.A plurality of evidence-based medicine EBM evidences show that the equilibrium function exercise is an important way of improving function, and equilibrium function is carried out the prerequisite and the requisite measure of summing up curative effect that assessment of function then is training.
Static equilibrium is a mode in a basic balance, and promptly human body is kept the ability of stable posture on immobilized supporting surface.Development abroad balance evaluation/training system for many years, than product of the future ultracare and Biodex balance test training system etc. are arranged, the digitizer development of domestic equilibrium evaluation and training then relatively lags behind, and patent is limited as exercise equipment more, and the method for assessment of function is simpler relatively.At the patient who lacks the ability of independently standing, how carrying out balance training in early days is the problem that presses for solution.
In addition, functional training product in the past often lacks the visual feedback system, and patient and instrument just can not carry out interaction like this, the patient can not judge the rehabilitation training by a period of time, the what state that oneself recovers makes training can not excite patient's interest, makes the patient lack confidence to training.This long-term and dull training can influence the rehabilitation of patients process, causes rehabilitation efficacy undesirable.
Summary of the invention
Purpose of the present invention exactly in order to address the above problem, provides a kind of back support loss of weight static equilibrium evaluation training method.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of back support loss of weight static equilibrium evaluation training method, undertaken by a cover back support loss of weight assessment of function training system, the hardware of this back support loss of weight static equilibrium evaluation training system comprises that training bed, control chamber, main control computer, main display and patient use display device; The angle of inclination of training bed can be regulated, the training bed comprises base, bedstead and bed board, bedstead is installed on the base and links to each other with base is rotatable, is provided with left and right sides pedal assembly at the front end of bedstead, is respectively equipped with the plantar pressure sensing device on the pedal assembly of the left and right sides; Be provided with testing evaluation module and functional training module in the main control computer.Training method comprises testing evaluation and functional training two parts, by the patient being carried out the testing evaluation of keeping the standing balance function under back support loss of weight (or the not loss of weight) form, carry out functional training by the loss of weight of the loss of weight/not balance of keeping to a certain degree of standing.
Described back support loss of weight static equilibrium evaluation training method may further comprise the steps:
A, patient tilt to lie on a bed near bed board, and allow its left and right sides foot step down in respectively on the pedal of the left and right sides, and left and right sides pedal is on the same horizontal plane;
B, regulate the angle of inclination of bed according to patient's practical situation automatically by the doctor, realize loss of weight in various degree, angle is more little, and the loss of weight degree is big more.
C, computer enter the assessment of function system, and according to patient's virtual condition, the doctor carries out the short period initial testing and prepares.
D, patient keep two lower limb dynamic balances, make the patient keep initiatively that center of gravity is mobile within the specific limits highly to be consistent the bar diagram of exerting oneself of left and right sides lower limb by visual feedback, suitably regulate posture and dynamics, keep standing balance.
It is the basis of static posture graph parameter assessment that center of gravity projection in patient's static test process changes, and all will use in described below seven CALCULATION OF PARAMETERS.(center of gratitude is COG) before second rumpbone for general gravity center of human body.Above-mentioned center of gravity projection refers to the projection of gravity center of human body on pedal, because that human body is in the standing balance process side force is very little, so the center of gravity projection of human body can be expressed as:
x＝(F
A+F
B-F
C-F
D)·L/G
y＝(F
B+F
D-F
A-F
C)·M/G
In the formula, L is the central point of four plantar pressure sensing devices arrives sensing device on X-axis a distance, and M is the central point of four plantar pressure sensing devices arrives sensing device on Y-axis a distance, and G is the patient's human weight behind the loss of weight, F
A, F
B, F
C, F
DBe respectively the reading of four plantar pressure sensing devices; Described normal center of gravity projection zero-bit i.e. the central point of four plantar pressure sensing devices.
The frontal plane hunting frequency of assess patient in the back support loss of weight stands still process changes, the frontal plane hunting frequency has reflected within a certain period of time, center of gravity is projected in the change frequency that frontal plane is the positive negative value of horizontal direction, in algorithm, only represent the speed that the center of gravity projected position changes along the x direction of principal axis, this parameter value is big more, and promptly the frequency of Bian Huaing is high more, and reflection patient shake is serious more, center of gravity control is unstable more, as parkinson disease.
The frontal plane hunting frequency is defined as the projection of patient's center of gravity and moves to right side area and move to the number of times of left field and the ratio of time from right side area from left field, that is:
In the formula, N is the number of times that the center of gravity projection is swung from the left field to the right side area and from the right side area to the left field, the testing time of T for selecting.
Average center of gravity had reflected in the motor process that stands still when assessment back support loss of weight stood still, two lower limb balance of exerting oneself, and absolute value is more little, and the expression balanced degree is good more, on the occasion of big more, shows that right lower extremity is than the more load-bearing of left lower extremity; Negative value is big more, and is then opposite.Clinical data shows that average center of gravity projection value is big more, and body symmetry is poor more, as the apoplexy hemiptegic.It is defined as the ratio of patient's center of gravity projection offset distance sum and times of collection, and computational methods are:
In the formula, Gi is the deviant of each center of gravity projection of gathering with respect to the central point of four sensing devices; I=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting.
The maximum amplitude of oscillation of frontal plane when assessment back support loss of weight stands still, the two lower limb of the reflection patient maximum of degrees of offset firmly on directions X.This difference is relevant with body symmetry, and difference is big more to show that symmetry is poor, a little less than the stability.Relevant disease such as amputee, the hemiptegic.
The maximum amplitude of oscillation of frontal plane is defined as the ultimate range that the projection of patient's center of gravity is offset normal center of gravity projection zero-bit, and its computational methods are:
Smax＝Max|Si|
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer).
The average amplitude of oscillation of frontal plane when assessment back support loss of weight stands still under the reflection patient loss of weight state, is shaken severe degree and speed on X-direction in the process that stands still, the big more patient's balanced capacity that shows of its value is poor more, relevant disease such as extrapyramidal disease.Its computing formula is:
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting.
Center of gravity motion track total length when assessment back support loss of weight stands still, center of gravity motion track total length has reflected under patient's loss of weight state, center of gravity projection motion track total length when standing still, its value is big more to show that center of gravity projection offset distance summation is long more, patient's balanced capacity is poor more.
Center of gravity projection motion track is divided into centre type, front and back type, left right model, multicenter type and diffusion-type, normally is the multicenter type.The computational methods of multicenter type center of gravity projection motion track total length are:
In the formula, x
i, y
iCoordinate for the center of gravity projection deviation post that collects at every turn.I=0,1,2,3,4 ... N (i, N are integer).
The center of gravity motion track gross area in unit interval when assessment back support loss of weight stands still, the center of gravity motion track gross area has reflected the stability and the balanced degree of health control center of gravity in the unit interval.Setting under the same period, the different rehabilitation training phase is being carried out front and back contrast, determining the training effect, numerical value is big more, and reflection stability and balance are poor more, as parkinson disease, and cerebellar ataxia etc.The computing formula of the center of gravity motion track gross area is in unit interval:
In the formula, x
i, y
iBe projected in the coordinate of the deviation post in the pedal scope for each center of gravity of gathering.I=0,1,2,3,4 ... N (i, N are integer); Tc is each time of gathering.
The translational speed of center of gravity projection when the frontal plane side slew rate when assessment back support loss of weight stands still in the unit interval, frontal plane side slew rate are reflected in the maximum amplitude of oscillation on the X-direction, its value is big more, and it is poor more that the expression center of gravity is controlled.Relevant disease such as torsion spasm, chorea etc.Its computing formula is:
In the formula, S '
MaxBe the previous sampled value of the maximum amplitude of oscillation of frontal plane, T is the sampling time.
Assess good center of gravity percentage ratio, good center of gravity percentage ratio is the time that center of gravity drops in normal center of gravity projection zero-bit ± 5% zone to account for the percentage ratio of whole training times.When patient left and right sides bipod is exerted oneself symmetrically and evenly, if its center is normal center of gravity projection zero-bit, represent center of gravity all to drop on right crus of diaphragm to depart from normal center of gravity projection zero-bit+50%, represent center of gravity all to drop on left foot to depart from normal center of gravity projection zero-bit-50%, center of gravity drop in each zone of normal center of gravity projection zero-bit (± 5%, ± 5% to ± 10%, ± 10% to ± 20%, ± 20% to ± 30%) the computing formula of time ratio as follows:
In the formula, n
3For center of gravity from above-mentioned each value of normal center of gravity projection zero-bit (± 5%, ± 5% to ± 10%, ± 10% to ± 20%, ± 20% to ± 30%) number of times of swing in the scope in the zone, N counts for the interior collection of testing time selected;
Back support loss of weight static equilibrium of the present invention evaluation training method is by carrying out the testing evaluation of keeping the standing balance ability under back support loss of weight (or the not loss of weight) form to the patient, obtain data, determine training time and training strength according to assessment result, targetedly the patient is carried out the training of sleep mode standing balance, help accelerating rehabilitation of patients.
Description of drawings
The overall structure sketch map of the static equilibrium evaluation training system that Fig. 1 is among the present invention to be adopted;
Fig. 2 is a plantar pressure sensing device placement location sketch map;
Fig. 3 is a lathe bed inclination modular program flow chart;
Fig. 4 is a test beginning modular program flow chart;
Fig. 5 is a test preparation module program flow diagram;
Fig. 6 is a test stopping modular program flow diagram;
Fig. 7 is the test result module program flow diagram;
Fig. 8 is a typing reporting modules program flow diagram;
Fig. 9 is a training beginning modular program flow chart;
Figure 10 stops the training module program flow diagram;
Figure 11 checks the object module program flow diagram;
Figure 12 is the patient information interface;
Figure 13 is that testing evaluation-static equilibrium is selected the interface;
Figure 14 is the static equilibrium test interface;
Figure 15 is that functional training-normal stand balance is selected the interface;
Figure 16 is normal stand balance-sleep mode training interface.
The specific embodiment
Referring to Fig. 1, the back support loss of weight static equilibrium evaluation back support loss of weight static equilibrium that training method adopted evaluation training system of the present invention comprises that training bed 1, control chamber 2, main control computer 3, patient use display device 4 and main display 5.Control chamber 2 is installed on the base 11 of training bed, main control computer 3 is arranged on the operating board (operating board not shown come out), the patient is movably arranged on the next door of training bed with display device 4 and links to each other with the main control computer signal of telecommunication, and main display 5 is arranged on the operating board and with the main control computer signal of telecommunication and links to each other.
Left and right pedal assembly 14 symmetrical configuration are identical, respectively comprise pedal support 141, foot front end buffer 142, the heel axis of guide 143 and pedal 144.Pedal support 141 is fixedly linked with bedstead 12; The foot front end buffer 142 and the heel axis of guide 143 are connected between pedal 144 and the pedal support 141.Around pedal 144, be provided with the plantar pressure sensing device, this plantar pressure sensing device is made up of the cantilever beam that posts four foil gauges, the cantilever beam that posts four foil gauges is inserted in the sole stressed member of being made up of pedal, pedal support, foot front end buffer and the heel axis of guide, and links to each other with the sensing device interface circuit signal of telecommunication in the control chamber 2 respectively.Among Fig. 2, F
A, F
B, F
C, F
DRepresent four plantar pressure sensing devices stressed in the installation site respectively, O is the central point of four plantar pressure sensing devices, the center of gravity projection is placed corresponding four plantar pressure sensing devices (normal center of gravity projection zero-bit overlaps with the central point of four plantar pressure sensing devices) then as the center O of sensing device during with normal person's transfixion.L is the central point of four plantar pressure sensing devices arrives sensing device on X-axis a distance, and M is the central point of four plantar pressure sensing devices arrives sensing device on Y-axis a distance.
The patient is movably arranged on the next door of training bed 1 with display device 4 and links to each other with main control computer 3 signals of telecommunication, this patient comprises travelling car 41, is installed in support 42 on the travelling car and rack-mount display screen 43 with display device 4, display screen and support flexibly connect, and the height of display screen and angle can be regulated.
Back support loss of weight static equilibrium evaluation training method of the present invention is undertaken by above-mentioned back support loss of weight static equilibrium evaluation training system.Above-mentioned hardware has been realized automatic loss of weight function, gathers data such as related pressure by sensing device group in the hardware and data acquisition unit simultaneously, and main control computer carries out date processing.The concrete steps of back support loss of weight static equilibrium evaluation training method of the present invention are as follows:
A, patient tilt to lie on a bed near bed board, and allow its left and right sides foot step down in respectively on the pedal of the left and right sides, and left and right sides pedal is on the same horizontal plane.
B, regulate the angle of inclination of bed according to patient's practical situation automatically by the doctor, realize loss of weight in various degree, angle is more little, and the loss of weight degree is big more.
C, enter patient information interface shown in Figure 12, newly-built, revise or read patient information, as day of training, patient number, name, sex, year, body weight, and the patient when just being admitted to hospital symptom---left side paralysis is right paralysed information still; Attention: must choose the patient who needs test or training, otherwise modules such as testing evaluation and functional training can't carry out, simultaneously, system will point out and choose the patient who needs test or training.
D, from computer, access testing evaluation-static equilibrium and select the interface, as shown in figure 13.Automatically show selected numbering and name on this interface, practical situation according to the patient is selected the required testing time by the doctor, the testing time branch stands still 30 seconds, 60 seconds that stood still, free cycle, input loss of weight angle in the yellow negative edit box of loss of weight angle cuts a part of weight of human body automatically to help the patient again.Click " entering test " button then and enter the static equilibrium test interface, as shown in figure 14.
E, as need first patient is tested preparation, click " test is prepared " button, the doctor allows the patient carry out the initial testing of 10 times in second and prepares, and begins to carry out official testing again after allowing the patient of first test adapt to this test.
The patient is according to pressure bar diagram in the left and right sides on patient's display screen, and the two lower limb of active adjustment firmly make left and right sides lower limb pressure bar diagram highly consistent.
F, also can directly click " test beginning ", the left-half of this static equilibrium test interface is provided with the bar diagram of real-time demonstration left and right sides foot to the pressure size of left and right sides pedal, shows selected testing time and loss of weight angle automatically in the selected parameter in the upper right corner; The right half part middle part is every static posture graph parameter viewing area; The lower right corner is provided with " test is prepared ", " test beginning ", " test stops ", " test result ", " typing report " and " returning " six buttons and testing time slider bar, and slider bar shows the testing time progress in real time.
Figure 14 is to be that 60 seconds, loss of weight angle are the static equilibrium test interfaces of 45 degree the testing time.The corresponding 90 kilograms of pressure of the total height of each bar diagram, and calibrate with per 1 kilogram, accurately show the pressure size of left and right sides foot to pedal, by real-time bar diagram, the patient can be clear that the firmly situation of oneself two foot, the doctor can be well understood to the patient body equilibrium condition, being that the patient selects the suitable training project easily.
G, " test stops " functional keys when the patient runs into emergency case, are clicked this button, and test stops, and stopping to test the back data can preserve and show.
H, after arriving selected test period, click " test result " button again, show the test and the assessment result of the parameters of static posture figure on the static test interface automatically.Described parameter comprises frontal plane hunting frequency, average center of gravity, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane, center of gravity motion track total length, the center of gravity motion track gross area and frontal plane side slew rate.
I, click " typing report " button, storage patient information and test result data; At this moment,, can see the report of generation, can also report with the word format print if enter reporting modules.
J, click the Back button, leave the static test interface, after obtaining every data of testing evaluation, can power cut-off, also can directly enter functional training.
The method of k, functional training is at first to enter functional training-normal stand balance and select the interface, as shown in figure 15.According to above-mentioned testing evaluation result, can select sleep mode, and input loss of weight angle, click " entering training " button, can enter the normal stand balance---sleep mode training interface, as shown in figure 16.
L, click " training beginning " button are trained, training interface left-half is provided with the picture of real-time demonstration barycenter trajectory, the picture center is normal center of gravity projection zero-bit, represent center of gravity all to drop on right crus of diaphragm to depart from normal center of gravity projection zero-bit+50%, represent center of gravity all to drop on left foot to depart from normal center of gravity projection zero-bit-50%, with the straight line of red, green, blue, Huang Si kind color define respectively depart from normal center of gravity projection zero-bit ± 5%, ± 10%, ± 20% and ± 30% zone.The upper right corner at interface shows the loss of weight angle automatically, and carries out the training time and select, and the training time is divided into half a minute, 1 minute and free time; The right half part middle part is controlled at time ratio and good center of gravity percentage ratio parameter display area in the central area for center of gravity; The lower right corner is provided with " training beginning ", " stopping training ", " checking the result ", " typing report ", " returning " five buttons and training progress slider bar, and training progress slider bar shows the training time progress in real time.
Figure 16 is that the loss of weight angle is the sleep mode training interface that 60 degree, training time is set at 1 minute.Require patient's active adjustment left and right sides lower limb dynamic balance, its center of gravity projected footprint is moved along the picture center, can be clear that the situation of the normal center of gravity projection of the deviation of gravity center zero-bit of oneself by this interface patient.
After m, training finish, click " checking the result " button, show training result on the interface, this result comprise center of gravity drop on from normal center of gravity projection zero-bit ± 5%, ± 5% to ± 10%, ± time ratio in 10% to ± 20% and ± 20% to ± 30% zone and good center of gravity percentage ratio.Good center of gravity percentage ratio is the time that center of gravity drops in normal center of gravity projection zero-bit ± 5% zone to account for the percentage ratio of whole training times, makes things convenient for the doctor not only accurately but also observation all sidedly.
Center of gravity drops on from the value of normal center of gravity projection zero-bit ± 5% big more, shows that patient's states is good more, and ± 10% takes second place, ± 20% more take second place, ± take second place for 30% time.For example be controlled at after twice rehabilitation training of certain person patient ± 5% all be 20% with interior time ratio, and center of gravity is controlled at ± 10% increase with interior percentage of time, then can prove the effectiveness of rehabilitation training equally.
N, click " typing report " button are preserved patient's training result;
O, click the Back button, leave the normal stand balance---sleep mode training interface, finish training or proceed the next round functional training.
The static equilibrium assessment of function training system software realization flow of main control computer is as follows:
At first read patient information: patient number, name, thigh length, shank length etc.; Evaluation time and loss of weight angle are set; Carry out hardware testing (test sensing unit group whether operate as normal, then log off) again as cisco unity malfunction; By lathe bed inclination modular program flow chart, test beginning modular program flow chart, test preparation module program flow diagram, test stopping modular program flow diagram, test result module program flow diagram, typing reporting modules program flow diagram, training beginning modular program flow chart, stop the training module program flow diagram, check that the object module program flow diagram carries out test in proper order.
Lathe bed inclination modular program flow chart as shown in Figure 3.Native system adopts a motion control device, the motor that the corresponding control of wherein (Z axle) of control device lathe bed tilts, and the lifting of lathe bed is that the rotating by motor realizes moving upward and moving downward.Click " entering test " or " entering training " button, just enter lathe bed inclination program circuit, open motion control device, motor movement speed is set.The doctor is according to patient's practical situation input loss of weight angle.Judge whether current lathe bed angle is consistent with the input angle: if the loss of weight angle of doctor's input is greater than current lathe bed angle, calculate the angle that lathe bed need rise, is this angular transition corresponding umber of pulse, control device sends pulse, motor is just changeing the angle of certain umber of pulse correspondence, lathe bed rising certain angle; If equal current lathe bed angle, motor does not change, and lathe bed is motionless; Less than current lathe bed angle, calculate the angle that lathe bed need descend, control device sends pulse, and the motor counter-rotating moves downward the angle of certain umber of pulse correspondence, lathe bed decline certain angle.Check the state of motion control device axis, if busy, the expression motor also is not rotated in place, and continues to check; If not busy, illustrate that motor has rotated to finish, stop the motion of motor, the closing movement control device.
Test beginning modular program flowchart text:
Test beginning module major function is data acquisition and data storage, it designs based on data acquisition unit, and harvester provides built-in function, according to built-in function exploitation harvester class libraries, the everything of management harvester, test beginning modular program flow chart as shown in Figure 4.
Start training evaluation process software, at first carry out the testing evaluation data acquisition and be saved in the file module flow process, click " test beginning " button, activate " test stops " and the Back button, locking " test is prepared ", " test beginning ", " test result " and " typing report " button; The data sampling cycle is set; Obtain the current time, and generate data file (not repeating) to guarantee filename with the current time name; Judge whether patient's file directory exists, then do not create patient's file directory if do not exist, there is the patient's file directory that just directly chdirs, preserve data file to guarantee to forward under patient's file directory, generate the file of expansion .dat by name, form the preservation of patient data files complete name concatenating file and be masked as very, be masked as true respresentation and can preserve data file, be masked as false expression and cannot preserve data file (as " test is prepared ").The doctor sets the testing evaluation time.According to the sampling total data, the application relief area judges whether relief area applies for success, if unsuccessful just return, and prompt facility has problem, if success, setting actual samples data counts variable, and carry out initialization of variable; Transmit patient data files name and file and preserve sign to the harvester class libraries, open data acquisition unit, the voltage sample scope is set, dispose 4 sampling channels, the corresponding left and right plantar pressure sensing device group of difference, sampled data is set preserves the address, open patient data .dat file with WriteMode; The initialization scroll bar; Record static test time started point is set sampling clock; Read all sampling channel data, the discrete sampling channel data: preceding 0,1 passage is left plantar pressure sensing device data, and back 2,3 passages are right plantar pressure sensing device data; The actual samples that adds up in real time data number; To on screen, show in real time with left and right two bar diagrams respectively after the left and right plantar pressure sensing device group data computation, the corresponding 90 kilograms of pressure of the total height of each bar diagram, and calibrate with per 1 kilogram, with the pressure size of left and right sides foot on the time point that shows each collection, import computer by the pressure sensor device that is contained on the pedal to pedal; Write down current point in time once more; Judge whether the testing evaluation time arrive, if the testing time does not arrive, the real-time update scroll bar continues to read the sampling channel data; If the testing time arrives, close sampling clock.Transmit real data total amount and buffer pointer, calculate the testing time, close data acquisition unit; The data of gathering are write patient data files, file is kept on the hard disk close file; The buffer release district, the number variable zero clearing of actual samples data, original state is got back in record static test time started point variable zero clearing.
The explanation of test preparation module program flow diagram:
Test preparation module program flow diagram as shown in Figure 5.Click " test is prepared " button, carry out module flow process shown in Figure 4, lock other buttons, the data sampling cycle is set; Put the file preservation and be masked as vacation, promptly cannot preserve data file; Transmit file and preserve sign to the harvester class libraries, open data acquisition unit, the voltage sample scope is set, configuration sampling channel number: 4 is left and right plantar pressure sensing device group, sampled data is set preserves the address; The initialization scroll bar; Record static test test current point in time is also set sampling clock; Regularly read 4 sampling channel data; Every 50ms shows with left and right two bar diagrams respectively on screen in real time with left and right plantar pressure sensing device data.Write down current point in time once more.The time that test is prepared fixedly was made as 10 seconds, whether judged the testing time by 10 seconds, if less than 10 seconds, the real-time update scroll bar continues to read the sampling channel data; If by 10 seconds, close sampling clock, close data acquisition unit, activate " test is prepared ", " test beginning " and the Back button, locking " test stops ", " test result ", " typing report " button.
The explanation of test stopping modular program flow diagram:
In test process,, then click " test stops " button and finish test this time if the patient does not feel like oneself or other reason need stop test.Test stopping modular program flow diagram as shown in Figure 6.At this moment, program will be carried out module flow process shown in Figure 6, activate " test result ", " test is prepared ", " test beginning " and the Back button, locking " test stops " and " typing report " button.Close sampling clock.Transmit real data total amount and buffer pointer, calculate the testing time, close data acquisition unit; The data of gathering are write patient data files, file is kept on the hard disk close file.The buffer release district, the number variable zero clearing of actual samples data, original state is got back in record static test time started point variable zero clearing.
The explanation of test result module program flow diagram:
The test result module program flow diagram as shown in Figure 7.Click " test result " button, carry out module flow process shown in Figure 7, locking " test stops " and " test result " button activates " test beginning ", " typing report ", " returning " and " test is prepared " button.Judge whether the patient data files name exists, do not return if just do not exist, show and to provide test result, if exist, just open this document with read-only mode, obtain file size, the calculating data number, setting up one is that the relief area of length is used for record data with the file data number, setting up one is that the relief area of length is used to write down position of centre of gravity with 1/4th of file data number, use endless form that the data of file are write the file data relief area, read four channel datas according to preserving sequential loop, the data substitution centroid algorithm of four passages is calculated position of centre of gravity, and center-of-gravity value is put into the center of gravity data buffer zone, up to running through file, close file.Call the average center of gravity in the date processing dynamic link library then, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane and barycenter trajectory total length, calculate four static posture graph parameters according to center of gravity data buffer zone center-of-gravity value batch total, call frontal plane side slew rate in the unit interval in the date processing dynamic link library again, the computational algorithm of the interior center of gravity motion track gross area of unit interval and frontal plane hunting frequency during motion, calculate movement time in conjunction with sampling rate, calculate three static posture graph parameters according to center of gravity data buffer zone center-of-gravity value batch total, rule of thumb the data tabular value provides the assessment result of above-mentioned seven parameters.Show the result of calculation and the assessment result of seven static posture graph parameters, discharge all relief areas.
The explanation of typing reporting modules program flow diagram:
Typing reporting modules program flow diagram as shown in Figure 8.Click the typing report button, carry out module flow process shown in Figure 8, locking " test stops ", " test result ", " typing report " button activate other buttons.Judge whether the report file name exists, if do not exist, just regenerate the report file name and preserve the report file name, add patient name and number the report content starting position, report content comprises seven static posture graph parameters: the center of gravity motion track gross area and frontal plane hunting frequency and assessment result in the unit interval when average center of gravity, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane, center of gravity motion track total length, frontal plane side slew rate, motion.Judge again whether report file exists,, just create report file, write patient name and numbering and the above-mentioned content for preparing a report if do not exist; If exist, open file with a WriteMode, file pointer moves on to the end, adds the report content of above-mentioned preparation, closes report file then; Typing newspaper module finishes to return.
Said procedure realized with patient same day repeatedly assessment result be kept at function in the identical file, this document can use various software such as Word to check.
Training beginning modular program flowchart text:
Training beginning modular program flow chart as shown in Figure 9.Click " training beginning " button, carry out training start program flow process, this flow process and above-mentioned test start program flow process are basic identical, and difference is date processing and display part.On screen, refresh demonstration according to the left and right lower limb pressure difference value of left and right plantar pressure sensing device group data computation and every 50ms in position of centre of gravity trajectory diagram mode, use the bundle of lines screen of different colours to be divided into ± 5%, ± 10%, ± 20% and ± 30% several intervals, the pressure difference value zero-bit is in the center Screen position, pressure difference value is for negative, promptly show in the zero line leftward position, the expression left foot is big with the force rate right crus of diaphragm, and vice versa; Respectively the real-time statistics pressure difference value drop on ± 5% scope in, ± 5% to ± 10% zone in, ± 10% to ± 20% zone in, ± 20% to ± 30% zone in the quantity and the good center of gravity percentage ratio of point; Wherein good center of gravity percentage ratio is meant the ratio of left and right lower limb pressure difference value in central area ± 5%.
Stop the explanation of training module program flow diagram:
Stop the training module program flow diagram as shown in figure 10.Stop the training module program circuit and above-mentioned test stopping modular program circuit is basic identical.In training process, if the patient feels under the weather or do not think to carry out training this time again and just can click " stopping training " button result and this time train.Click " stopping training " button, activate " checking the result ", " training beginning " and the Back button, locking " stops training " and " typing report " button.
Check the explanation of object module program flow diagram:
Check the object module program flow diagram as shown in figure 11.Click " checking the result " button, locking " stops training " and " checking the result " button, activate " typing report ", " training beginning " and the Back button, calculate left and right lower limb pressure difference value drop in central area ± 5%, drop on central area ± 5% in ± 10%, drop on central area ± 10% in ± 20%, drop on central area ± 20% to ± 30% interior point; Calculate left and right lower limb pressure difference value central area ± 5%, ± 5% to ± 10%, ± 10% to ± 20%, ± percentage ratio in 20% to ± 30%; Show each percent value and good center of gravity control percentage ratio; Show each percent value.
Parameters related in above-mentioned testing evaluation and the functional training is offered relief area according to the testing time that sets automatically by computer, certain hour refreshes once at interval, the cushion space maximum can be deposited the data of certain acquisition time, when test stops, data are kept on the hard disk with file format automatically, so that other modules are calculated and are called, utilize the formula that is placed in advance in the program again, draw various static posture graph parameters by the computer background operation.Formula in the program is all realized by Dynamic link library program, is convenient to upgrade from now on and the content expansion.
Claims (9)
1. a back support loss of weight static equilibrium is evaluated training method, undertaken by a cover back support loss of weight static equilibrium evaluation training system, this back support loss of weight static equilibrium evaluation training system comprises that training bed, control chamber, main control computer, patient use display device and main display; The training bed comprises base, bedstead and bed board, bedstead is installed on the base and with base is rotatable and links to each other, front end at bedstead is connected with left and right pedal assembly, on the pedal assembly of the left and right sides, be respectively equipped with left and right sides plantar pressure sensing device, between bedstead and base, be provided with the bed board angle adjusting mechanism;
It is characterized in that be provided with static equilibrium evaluation training system software in the described main control computer, this software comprises static equilibrium testing evaluation module and static equilibrium functional training module; Described back support loss of weight static equilibrium evaluation training method may further comprise the steps:
A, allow the patient tilt to lie on the training bed, and allow its left and right sides foot step down in respectively on the pedal of the left and right sides, left and right sides pedal is on the same horizontal plane;
B, determine required loss of weight weight, and the angle of inclination by regulating the training bed is to realize this loss of weight weight according to patient's practical situation;
C, allow computer enter the testing evaluation module of static equilibrium evaluation training system, allow the patient carry out the initial testing in 10 seconds, to adapt to this test mode;
D, the patient is done static equilibrium test, to obtain the testing evaluation result of every static posture graph parameter, described static posture graph parameter comprises frontal plane hunting frequency, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane, frontal plane side slew rate, average center of gravity, center of gravity motion track total length and the center of gravity motion track gross area;
E, allow computer enter the functional training module of static equilibrium evaluation training system, according to the testing evaluation result, select suitable training cycle and loss of weight angle, the patient is done static equilibrium training, training achievement with center of gravity drop on from normal center of gravity projection zero-bit ± 5%, ± 5%～± 10%, ± 10%～± 20% or ± time ratio in 20%～± 30% zone and well center of gravity percentage ratio represent.
2. back support loss of weight static equilibrium evaluation training method as claimed in claim 1 is characterized in that: described testing evaluation module comprises lathe bed inclination module, test beginning module, test preparation module, test stopping modular, test result module and typing reporting modules; Described functional training module comprises lathe bed inclination module, training beginning module, stops training module, checks object module and typing reporting modules.
3. back support loss of weight static equilibrium evaluation training method as claimed in claim 1, it is characterized in that: the testing evaluation of described every static posture graph parameter is assessed with the basis that is changed to of the center of gravity projection of patient in back support loss of weight static equilibrium test process, described center of gravity projection refers to the projection of gravity center of human body in the pedal scope, is determined by following formula:
x＝(F
A+F
B-F
C-F
D)·L/G
y＝(F
B+F
D-F
A-F
C)·M/G
In the formula, L is the central point of four plantar pressure sensing devices arrives sensing device on X-axis a distance, and M is the central point of four plantar pressure sensing devices arrives sensing device on Y-axis a distance, and G is the patient's human weight behind the loss of weight, F
A, F
B, F
C, F
DBe respectively the reading of four plantar pressure sensing devices; Described normal center of gravity projection zero-bit i.e. the central point of four plantar pressure sensing devices.
4. back support loss of weight static equilibrium evaluation training method as claimed in claim 1, it is characterized in that: described frontal plane hunting frequency has reflected within a certain period of time, center of gravity is projected in the change frequency that frontal plane is the positive negative value of horizontal direction, in algorithm, only represent the speed that the center of gravity projected position changes along X-direction, this parameter value is big more, and promptly the frequency of Bian Huaing is high more, and reflection patient shake is serious more, center of gravity control is unstable more, as the Parkinsonian;
The frontal plane hunting frequency is defined as the projection of patient's center of gravity and moves to right side area and move to the number of times of left field and the ratio of time from right side area from left field, that is:
In the formula, N is the number of times that the center of gravity projection is swung from the left field to the right side area and from the right side area to the left field, the testing time of T for selecting;
The two lower limb of the maximum amplitude of oscillation reflection of described frontal plane patient maximum of degrees of offset firmly on X-direction, this difference is also relevant with body symmetry, and the big more symmetry that shows of difference is poor more, and stability is weak more, as patients with amputation, the hemiplegic patient;
The maximum amplitude of oscillation of frontal plane is defined as the ultimate range that the projection of patient's center of gravity is offset normal center of gravity projection zero-bit, and its computational methods are:
Smax＝Max|Si|
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer);
Under the average amplitude of oscillation reflection of the described frontal plane patient loss of weight state, severe degree of on X-direction, shaking in the process that stands still and speed, the big more patient's balanced capacity that shows of its value is poor more, as the extrapyramidal disease patient; Its computational methods are:
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting;
The translational speed of center of gravity projection when described frontal plane side slew rate is reflected in the maximum amplitude of oscillation on the X-direction, its value is big more, and the control of expression center of gravity is poor more, as torsion spasm patient and chorea patient; The computing formula of frontal plane side slew rate is:
In the formula, S '
MaxBe the previous sampled value of the maximum amplitude of oscillation of frontal plane, T is the sampling time.
5. back support loss of weight static equilibrium evaluation training method as claimed in claim 1, it is characterized in that: described average center of gravity has reflected in the motor process that stands still, the balance that two lower limb are exerted oneself, absolute value is more little, the expression balanced degree is good more, on the occasion of big more, show that right lower extremity is than the more load-bearing of left lower extremity; Negative value is big more, and is then opposite; Average center of gravity projection value is big more, and body symmetry is poor more, as the apoplexy hemiplegic patient; Average center of gravity is defined as the ratio of patient's center of gravity projection offset distance sum and times of collection, and computing formula is:
In the formula, Gi is the deviant of each center of gravity projection of gathering with respect to the central point of four sensing devices; I=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting.
6. back support loss of weight static equilibrium evaluation training method as claimed in claim 1, it is characterized in that: described barycenter trajectory total length has reflected that the patient is under the loss of weight state, the total length of center of gravity projection motion track when standing still, its value is big more to show that center of gravity projection offset distance summation is long more, and patient's balanced capacity is poor more; Barycenter trajectory is divided into centre type, front and back type, left right model, multicenter type and diffusion-type, is the multicenter type normally, utilizes barycenter trajectory total length parameter can assist to judge the barycenter trajectory type, thereby further diagnoses the state of an illness.
The computational methods of barycenter trajectory total length are:
In the formula, X
i, Y
iBe each coordinate of gathering center of gravity projection deviation post, i=0,1,2,3,4 ... N (i, N are integer).
7. back support loss of weight static equilibrium evaluation training method as claimed in claim 1 is characterized in that: the described center of gravity motion track gross area has reflected the stability and the balanced degree of health control center of gravity in the unit interval; Numerical value is big more, and reflection stability and balance are poor more, as Parkinsonian and cerebellar ataxia patient; The computational methods of the center of gravity motion track gross area are:
In the formula, X
i, Y
iBe each coordinate of gathering the position of the projection skew of center of gravity on pedal, i=0,1,2,3,4 ... N (i, N are integer); Tc is each time of gathering.
8. back support loss of weight static equilibrium as claimed in claim 1 evaluation training method is characterized in that: described center of gravity drop on from normal center of gravity projection zero-bit ± 5%, ± 5%～± 10%, ± 10%～± 20% or ± time ratio in 20%～± 30% zone calculated by following formula:
In the formula, n
3For center of gravity from normal center of gravity projection zero-bit ± 5%, ± 5%～± 10%, ± 10%～± 20% or ± 20%～± 30% zone in the number of times of swing, N counts for collection in the testing time of selecting.
9. back support loss of weight static equilibrium evaluation training method as claimed in claim 1 is characterized in that: described good center of gravity percentage ratio is the time that center of gravity drops in normal center of gravity projection zero-bit ± 5% zone to account for the percentage ratio of whole training times.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998485A (en) * | 2019-03-30 | 2019-07-12 | 首都体育学院 | A kind of children's dynamic equilibrium aptitude tests device and its assessment method |
| CN114082138A (en) * | 2021-10-09 | 2022-02-25 | 施超 | Use method of equipment for surgical elbow rehabilitation training |
| CN114403805A (en) * | 2021-12-21 | 2022-04-29 | 河南嘉宇医疗科技有限责任公司 | Multifunctional rehabilitation training and evaluating system and method |
| CN114474015A (en) * | 2022-01-26 | 2022-05-13 | 无锡市精神卫生中心 | Balance evaluation system based on exoskeleton |
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2009
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998485A (en) * | 2019-03-30 | 2019-07-12 | 首都体育学院 | A kind of children's dynamic equilibrium aptitude tests device and its assessment method |
| CN114082138A (en) * | 2021-10-09 | 2022-02-25 | 施超 | Use method of equipment for surgical elbow rehabilitation training |
| CN114403805A (en) * | 2021-12-21 | 2022-04-29 | 河南嘉宇医疗科技有限责任公司 | Multifunctional rehabilitation training and evaluating system and method |
| CN114403805B (en) * | 2021-12-21 | 2023-10-10 | 河南嘉宇医疗科技有限责任公司 | Multifunctional rehabilitation training and assessment system and method |
| CN114474015A (en) * | 2022-01-26 | 2022-05-13 | 无锡市精神卫生中心 | Balance evaluation system based on exoskeleton |
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Application publication date: 20110504 |