CN105678095A - Grip strength testing system and grip strength testing method thereof - Google Patents
Grip strength testing system and grip strength testing method thereof Download PDFInfo
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- CN105678095A CN105678095A CN201610079389.2A CN201610079389A CN105678095A CN 105678095 A CN105678095 A CN 105678095A CN 201610079389 A CN201610079389 A CN 201610079389A CN 105678095 A CN105678095 A CN 105678095A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
- A61B5/225—Measuring muscular strength of the fingers, e.g. by monitoring hand-grip force
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Abstract
The invention discloses a grip strength testing system and a grip strength testing method thereof. The grip strength testing system comprises a dynamometer body and a test module, wherein the dynamometer body comprises a Bluetooth module performing data transmission with the test module and further comprises four grip strength buttons and four pressure sensors, which are in one-to-one correspondence with each other; corresponding indicators and grip strength-time curves are calculated by multi-channel acquisition of pressure signals of four fingers. A user can conveniently know corresponding indicator information of grip strengths of corresponding fingers or the resultant force, and comparative analysis can be made in combination with historical data.
Description
Technical field
The invention belongs to user data field of measuring technique, especially a kind of grip strength testing system of design and grip strength testing method thereof.
Background technology
At present, the data management of at-once monitor software and measurement are also varied, but the application or equipment for finger holding power measurement is actually rare, in particular for the grip numerical value of each finger. Although there is the equipment that finger holding power is measured on the market, but do not form intelligentized product and intelligentized data managing method and system.
Substantial amounts of clinic and EPDML research show that grip is potential as short-term or the prediction index of long-term mortality rate and sickness rate. The abnormal grip of patient imply that the increase of post-operative complication, the prolongation of hospital stays, is again introduced into the decline of the increase of the probability of hospitalize, body index. Especially, in old people colony, the decline of grip value implies the decline of independence. Epidemiological study demonstrates low grip value in normal adults and imply that the old risk producing functional deformity afterwards, imply that the rising of All-cause death rate simultaneously. Grip value is to weigh a common index of nutriture, is also increasingly being used as the outcome variable of nutritional intervention research simultaneously.
Owing to contact inseparable with health of grip value, the collection of grip data and the importance of analysis are self-evident.
Grip value is to weigh an important indicator of user group's body constitution such as old people or patient. User's grip value is carried out daily monitoring and analysis, user can not only be helped more fully to recognize the body constitution situation of oneself, also the relation of grip value itself Yu health can be carried out deeper excavation, simultaneously when data volume is enough, it is possible to macroscopically embody overall health status. Existing pinch meter also exists precision deficiency, portability is not enough, data cannot store the shortcomings such as analysis.
Known grip is to be pulled or power produced by separating objects by hands. Three indexs evaluating grasped power are " grip ", " grip endurance " and " holding explosive force " respectively. " grip " is to evaluate the main index of grip at present both at home and abroad. But " grip " index lacks the across comparison between user.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of grip strength testing system and grip strength testing method thereof.
Technical scheme is as follows:
A kind of grip strength testing system includes squeeze dynamometer body and test module, described squeeze dynamometer body includes for the bluetooth module with test module transfer data, squeeze dynamometer body also includes each 4 grip buttons and pressure transducer, the corresponding pressure transducer of each grip button;
Described test module includes:
Serial communication modular; For opening the bluetooth serial ports of test module, read bluetooth serial ports and receive data and verify;
Data management module; Retrieval for user list, historical record entry is revised, the storage of historical test data group, reading and amendment;
Grip computing module; For sending voice message, read and change the data that serial communication modular receives, timing test duration, and calculate grip index;
Diagram rendering module; For drawing the real time data after grip computing module is changed, or draw from locally stored historical test data;
Display module, for showing the chart that diagram rendering module is drawn, and shows the result that grip computing module calculates.
Described squeeze dynamometer body also includes the first shell, second housing, screw, spring, button, circuit module, lithium battery, charge port, first shell is connected with second housing, while being provided with circuit module inside first shell, first shell side is provided with button and charge port, inside first shell, another side is provided with lithium battery, second housing inside upper part is provided with screw, spring it is provided with outside screw, second housing lower inside is provided with grip button and pressure transducer, lithium battery, button is connected with circuit module respectively, screw stretches into the inside of the first shell, the upper-lower position of second housing can be regulated by rotary screw, pressure transducer is connected with circuit module.
Described grip button and pressure transducer are inside second housing. Described circuit module includes signal amplification circuit and A/D change-over circuit.
The grip strength testing method of described system, it is characterised in that comprise the steps:
S01: test module opens bluetooth serial ports by serial communication modular, realizes data with the bluetooth module of squeeze dynamometer body and docks;
S02: grip computing module sends tested speech prompting, grasps to send after the grip button of squeeze dynamometer body reaches the setting time until user and terminates voice message; During this period, the pressure signal of pressure transducer is converted to digital signal and is transferred to test module by bluetooth module by the circuit module of squeeze dynamometer body, grip computing module reads the data of serial communication modular reception in real time and is converted to four force value, calculate value of making a concerted effort simultaneously, when making a concerted effort, value just starts timing more than the threshold value set, and will make a concerted effort value and singly refer to that force is stored in data management module;
S03: diagram rendering module draw four finger make a concerted effort hold force-time curve and singly refer to hold force-time curve;
S04: grip computing module calculates the following grip index in test process respectively: four refer to absolute grip with joint efforts and relative grip; Four absolute grips singly referred to and relative grip, grip index is stored by data management module as user's historical data, described absolute grip is hold the maximum of grip on force-time curve, and described relative grip is the absolute grip 0.667 power divided by body weight;
S05: diagram rendering module is according to user's historical data of storage, the historical variations figure of each index in plot step S04 in data management module;
S06: display unit show hold force-time curve, each index result that step S04 obtains and the historical variations figure that step S05 obtains.
Described step S02 is repeatable repeatedly, sets interval duration between repetitive process; When step S02 repeatedly time, step S04 selects the bigger repetitive process of absolute grip to be calculated, its result of calculation and its hold force-time curve and stored by data management module as user's historical data.
The invention have the advantage that multichannel gathers the data of each finger simultaneously and makes a concerted effort. Contributing to the power of each finger is analyzed respectively, this is particularly important in the rehabilitation of the user of finger injuries detects.
The action feature of object is grasped for human body, absolute grip is proposed with relative grip two indices as grip strength testing index, namely the natural law of human body palm behavior is met, human body can be reacted again intuitively and hold the degree of explosive force function, with absolute grip, the maximal grip strength of user be carried out longitudinal comparison (as drawn therapeutic advance figure, maximal grip strength training effect compares); Lateral comparison between the user comparison of maximal grip strength resume speed (foundation of degree of injury hierarchy system) is carried out with relative grip (maximal grip strength is divided by 0.667 power of body weight).
Accompanying drawing explanation
Fig. 1 is the structured flowchart of grip strength testing system of the present invention;
Fig. 2 is the outside schematic diagram of squeeze dynamometer body;
Fig. 3 is the internal structure schematic diagram of squeeze dynamometer body.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, a kind of grip strength testing system includes squeeze dynamometer body and test module, described squeeze dynamometer body includes for the bluetooth module with test module transfer data, and squeeze dynamometer body also includes each 4 grip buttons and pressure transducer, the corresponding pressure transducer of each grip button;
Described test module includes:
Serial communication modular; For opening the bluetooth serial ports of test module, read bluetooth serial ports and receive data and verify;
Data management module; Retrieval for user list, historical record entry is revised, the storage of historical test data group, reading and amendment;
Grip computing module; For sending voice message, read and change the data that serial communication modular receives, timing test duration, and calculate grip index;
Diagram rendering module; For drawing the real time data after grip computing module is changed, or draw from locally stored historical test data;
Display module, for showing the chart that diagram rendering module is drawn, and shows the result that grip computing module calculates.
As shown in Figures 2 and 3, described squeeze dynamometer body also includes the first shell 1, second housing 2, screw 5, spring 6, button 7, circuit module 8, lithium battery 9, charge port 10, first shell 1 is connected with second housing 2, while being provided with circuit module 8 inside first shell 1, first shell side is provided with button 7 and charge port 10, inside first shell 1, another side is provided with lithium battery 9, second housing 2 inside upper part is provided with screw 5, spring 6 it is provided with outside screw 5, second housing 2 lower inside is provided with grip button 4 and pressure transducer 3, lithium battery 4, button 5 is connected with circuit module 3 respectively, screw 5 stretches into the inside of the first shell 1, the upper-lower position of second housing 2 can be regulated by rotary screw, pressure transducer 3 is connected with circuit module 8.
Described grip button 4 and pressure transducer 3 are inside second housing 2.Described circuit module 8 includes signal amplification circuit and A/D change-over circuit.
The signal intensity gathered due to pressure transducer is relatively low, need to use signal amplification circuit or amplifier to realize preposition amplification, the effect of amplifier/circuit is to amplify and buffer signal input, by weak signal is amplified, to improve resolution, and make the voltage range of the voltage range after conditioning and A/D change-over circuit match, in order to sampling.
The explosive force method of testing of holding of described squeeze dynamometer comprises the steps:
S01: test module opens bluetooth serial ports by serial communication modular, realizes data with the bluetooth module of squeeze dynamometer body and docks;
S02: grip computing module sends tested speech prompting, grasps to send after the grip button of squeeze dynamometer body reaches the setting time until user and terminates voice message; During this period, the pressure signal of pressure transducer is converted to digital signal and is transferred to test module by bluetooth module by the circuit module of squeeze dynamometer body, grip computing module reads the data of serial communication modular reception in real time and is converted to four force value, calculate value of making a concerted effort simultaneously, when making a concerted effort, value just starts timing more than the threshold value set, and will make a concerted effort value and singly refer to that force is stored in data management module;
In this step, tested speech prompting can only include starting prompting, starts as heard that voice message " 3,2; 1, start " represents, but as preferred, tested speech prompting also includes the related voice prompting allowing user's peak power to the greatest extent grasp this squeeze dynamometer, to coordinate native system to complete the test of grip
S03: diagram rendering module draw four finger make a concerted effort hold force-time curve and singly refer to hold force-time curve;
S04: grip computing module calculates the following grip index in test process respectively: four refer to absolute grip with joint efforts and relative grip; Four absolute grips singly referred to and relative grip, grip index is stored by data management module as user's historical data, and described absolute grip is hold the maximum of force-time curve, and described relative grip is the absolute grip 0.667 power divided by body weight;
S05: diagram rendering module is according to user's historical data of storage, the historical variations figure of each index in plot step S04 in data management module;
S06: display unit show hold force-time curve, each index result that step S04 obtains and the historical variations figure that step S05 obtains.
Described step S02 is repeatable repeatedly, sets interval duration between repetitive process; When step S02 repeatedly time, step S04 selects the bigger repetitive process of absolute grip to be calculated, its result of calculation and its hold force-time curve and stored by data management module as user's historical data.
In grip strength testing, it is contemplated that the muscle fatigue of user after repetitive measurement. General every time grasping continues 5 seconds, has a rest 1 minute, grasp 2 times altogether between secondary. Grasping process collection singly refer to and make a concerted effort data, draw the result of calculation tested during end 2 times.
The pressure data of squeeze dynamometer body is sent to host computer (test module) by bluetooth, and each pressure transducer is a passage, and single channel frequence is 800Hz, and four passages are then 200Hz, and namely every 5 milliseconds send data one group complete. Wherein each passage sends the data of two bytes every time, as certain measured value reads as " 0217 " in 16 system modes, then represents (2*256+1*16+7) ÷ 100=5.35 kilogram.
Host computer sends command request when test every time starts and necessarily organizes the pressure measuring value of number, and the test of 3 seconds durations is then equivalent to 3 ÷ 0.005=600 group data according to squeeze dynamometer transmission frequency.Squeeze dynamometer continues after receiving instruction to send 600 groups of data, and period host computer only does reception work.
Host computer is realized and the docking of squeeze dynamometer data by serial port programming, it is according to information creating serial ports such as squeeze dynamometer serial ports number, bit rates, and set the timeout parameter of read-write, send before measuring every time and check that order checks connection state, retransmit data demand instruction and receive pressure measuring value. When starting to test, host computer first requires some groups of data, carrys out reference using end group data as deviation value, and formal demand necessarily organizes the data of number more afterwards, and continues through serial ports reading. Often read one group, calculated the force value being converted to four passages, calculate simultaneously and make a concerted effort. When making a concerted effort, data just start more than the threshold value set in advance and singly refer to that force is stored in container variable respectively, data (and corresponding time point) of should making a concerted effort add in Real time graph and repaint, and read so incessantly and just can exert oneself discharge curve by real-time rendering. No longer storing and redraw system when force value is reduced to certain value, wait that remaining data is all distributed by squeeze dynamometer, once concrete measurement process terminates with regard to this, and program makes some simple index analysis further according to needs.
Variable for storing data will be cleared according to demand or selected being copied in json formatted file stores as historical record data generally, repeated hold the repetitive process that explosive force test result only selects absolute grip bigger and be calculated and store, a set of testing process will be stored in data base as a record, and the total data (desired value that the force value left and analysis obtain) of test is saved as a json object. Each test, containing making a concerted effort and component totally 5 groups of force value, stores, and all desired values (are separately formed a key-value pair, it is simple to follow-up reading and analysis. The record of the same sufferer is all stored in same json file.
At data management module, a selected user, diagram rendering module will read each object in its corresponding json file, and namely all desired values of every record, obtain the testDate of record from data base, draw trend broken line graph on date dimension. In recording list during a selected record, then reading the json object of correspondence, History Parser Module draws making a concerted effort and the four strength curves referred to of wherein concrete a certain test, making a concerted effort and the four Contribution Rate block diagrams referred to of index of correlation value.
Claims (6)
1. a grip strength testing system, it is characterized in that including squeeze dynamometer body and test module, described squeeze dynamometer body includes for the bluetooth module with test module transfer data, squeeze dynamometer body also includes each 4 grip buttons and pressure transducer, the corresponding pressure transducer of each grip button;
Described test module includes:
Serial communication modular; For opening the bluetooth serial ports of test module, read bluetooth serial ports and receive data and verify;
Data management module; Retrieval for user list, historical record entry is revised, the storage of historical test data group, reading and amendment;
Grip computing module; For sending voice message, read and change the data that serial communication modular receives, timing test duration, and calculate grip index;
Diagram rendering module; For drawing the real time data after grip computing module is changed, or draw from locally stored historical test data;
Display module, for showing the chart that diagram rendering module is drawn, and shows the result that grip computing module calculates.
2. system according to claim 1, it is characterized in that described squeeze dynamometer body also includes the first shell (1), second housing (2), screw (5), spring (6), button (7), circuit module (8), lithium battery (9), charge port (10), first shell (1) is connected with second housing (2), first shell (1) inner side is while being provided with circuit module (8), first shell side is provided with button (7) and charge port (10), first shell (1) inner side another side is provided with lithium battery (9), second housing (2) inside upper part is provided with screw (5), screw (5) outside is provided with spring (6), second housing (2) lower inside is provided with grip button (4) and pressure transducer (3), lithium battery (4), button (5) is connected with circuit module (3) respectively, screw (5) stretches into the inside of the first shell (1), the upper-lower position of second housing (2) can be regulated by rotary screw, pressure transducer (3) is connected with circuit module (8).
3. system according to claim 2, it is characterised in that described grip button (4) and pressure transducer (3) are in second housing (2) inner side.
4. system according to claim 2, it is characterised in that described circuit module (8) includes signal amplification circuit and A/D change-over circuit.
5. the grip strength testing method of a system as claimed in claim 1, it is characterised in that comprise the steps:
S01: test module opens bluetooth serial ports by serial communication modular, realizes data with the bluetooth module of squeeze dynamometer body and docks;
S02: grip computing module sends tested speech prompting, grasps to send after the grip button of squeeze dynamometer body reaches the setting time until user and terminates voice message; During this period, the pressure signal of pressure transducer is converted to digital signal and is transferred to test module by bluetooth module by the circuit module of squeeze dynamometer body, grip computing module reads the data of serial communication modular reception in real time and is converted to four force value, calculate value of making a concerted effort simultaneously, when making a concerted effort, value just starts timing more than the threshold value set, and will make a concerted effort value and singly refer to that force is stored in data management module;
S03: diagram rendering module draw four finger make a concerted effort hold force-time curve and singly refer to hold force-time curve;
S04: grip computing module calculates the following grip index in test process respectively: four refer to absolute grip with joint efforts and relative grip; Four absolute grips singly referred to and relative grip, grip index is stored by data management module as user's historical data, described absolute grip is hold the maximum of grip on force-time curve, and described relative grip is the absolute grip 0.667 power divided by body weight;
S05: diagram rendering module is according to user's historical data of storage, the historical variations figure of each index in plot step S04 in data management module;
S06: display unit show hold force-time curve, each index result that step S04 obtains and the historical variations figure that step S05 obtains.
6. according to claim 5 hold explosive force method of testing, it is characterised in that described step S02 is repeatable repeatedly, between repetitive process, set interval duration; When step S02 repeatedly time, step S04 selects the bigger repetitive process of absolute grip to be calculated, its result of calculation and its hold force-time curve and stored by data management module as user's historical data.
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Cited By (3)
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| CN107495975A (en) * | 2017-09-30 | 2017-12-22 | 朱文 | A kind of painful swelling of joints holds force parameter detecting system and its detection method |
| CN110037716A (en) * | 2018-06-20 | 2019-07-23 | 张同合 | A kind of rehabilitation gripe dynamometer |
| TWI716134B (en) * | 2019-10-02 | 2021-01-11 | 長庚學校財團法人長庚科技大學 | Grip training aid |
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Effective date of registration: 20180731 Address after: 310012 room 315, 606 West Wen San Road, Xihu District, Hangzhou, Zhejiang. Applicant after: Hangzhou Qixiong Technology Co., Ltd. Address before: 310052 room 338, 3 floor, Huaye building, 511 Jianye Road, Binjiang District, Hangzhou, Zhejiang. Applicant before: HANGZHOU AIWO SCIENCE AND TECHNOLOGY CO., LTD. |
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Application publication date: 20160615 |