CN111938654A - Sufficient state testing method and system, wearable device and storage medium - Google Patents
Sufficient state testing method and system, wearable device and storage medium Download PDFInfo
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- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
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Abstract
The invention discloses a foot state testing method, a foot state testing system, wearable equipment and a storage medium, and relates to the technical field of medical testing. The method comprises the following steps: acquiring the coordinates of each stress point of a plurality of stress points of the foot; acquiring a pressure signal of each stress point of a plurality of stress points of the foot; and calculating the gravity center position of the foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the foot. The invention calculates the gravity center position of the foot by testing the foot pressure of the human body, thereby providing a basis for the rehabilitation training or the clinical treatment of the foot or other parts of the user.
Description
Technical Field
The invention relates to the technical field of medical testing, in particular to a foot state testing method, a foot state testing system, wearable equipment and a storage medium.
Background
The movement of the human body is performed in the form of a kinematic chain, so that the physiological, structural and functional information of the lower limbs and even the whole body can be expressed from the gait and foot pressure. Foot pressure analysis has been widely used in clinical treatment, and with the rapid development of rehabilitation in recent years, foot pressure testing is beginning to play an increasingly important role in rehabilitation.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a foot state testing method, a foot state testing system, wearable equipment and a storage medium, which can test the foot pressure of a human body and calculate the gravity center position of the foot.
According to the foot state testing method of the embodiment of the first aspect of the invention, the method comprises the following steps:
acquiring the coordinates of each stress point of a plurality of stress points of the foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the foot;
and calculating the gravity center position of the foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the foot.
The foot state testing method provided by the embodiment of the invention has at least the following beneficial effects:
according to the embodiment of the invention, the coordinates of each stress point of the multiple stress points of the foot are obtained, the pressure signal of each stress point of the multiple stress points of the foot is obtained, and the gravity center position of the foot is calculated according to the coordinates and the pressure signal of each stress point of the multiple stress points of the foot, so that a basis is provided for rehabilitation training or clinical treatment of the foot or other parts of a user.
According to some embodiments of the invention, the foot comprises a left foot, the method comprising:
acquiring the coordinate of each stress point of the plurality of stress points of the left foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the left foot;
and calculating the gravity center position of the left foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the left foot.
According to some embodiments of the invention, the foot comprises a right foot, the method comprising:
acquiring the coordinate of each stress point of the multiple stress points of the right foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the right foot;
and calculating the gravity center position of the right foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the right foot.
According to some embodiments of the invention, the foot further comprises a left foot, the foot condition testing method further comprising:
acquiring the coordinate of each stress point of the plurality of stress points of the left foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the left foot;
calculating the gravity center position of the left foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the left foot;
calculating the gravity center position of the human body according to the gravity center position of the left foot and the gravity center position of the right foot;
judging whether the position of the center of gravity of the human body meets a preset range or not;
and outputting feedback information according to the judgment result.
A foot state testing system according to an embodiment of a second aspect of the invention comprises:
the pressure detection module is used for detecting a pressure signal of each stress point of a plurality of stress points of the foot;
the main controller is connected with the pressure detection module and used for receiving the pressure signal and processing the pressure signal;
the main controller is in wireless communication with an upper computer through the wireless communication module;
and the upper computer is used for acquiring the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals, and calculating the gravity center position of the foot according to the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals.
According to some embodiments of the invention, the upper computer is further configured to calculate a position of a center of gravity of the human body according to the position of the center of gravity of the foot, determine whether the position of the center of gravity of the human body meets a preset range, and output feedback information according to a determination result.
According to some embodiments of the invention, the pressure detection module is a membrane pressure sensor.
A wearable device according to an embodiment of a third aspect of the present invention includes the pressure detection module, the main controller, and the wireless communication module as described in the second aspect, and further includes a foot pack and a foot pad, the pressure detection module being disposed in the foot pad, and the main controller and the wireless communication module being disposed in the foot pack.
An electronic device according to a fourth aspect of the embodiment of the present invention includes:
at least one processor, and,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the adequacy testing method of the first aspect.
A computer-readable storage medium according to an embodiment of the fifth aspect of the present invention stores computer-executable instructions for causing a computer to perform the gait testing method of the first aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a foot state testing method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a foot testing method according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a foot state testing system according to an embodiment of the present invention.
Reference numerals:
the pressure detection module 100, the main controller 200, the wireless communication module 300 and the upper computer 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Fig. 1 is a schematic flow chart of a foot state testing method according to an embodiment of the present invention. As shown in fig. 1, the method includes:
s100, obtaining the coordinate of each stress point of a plurality of stress points of the foot;
s200, acquiring a pressure signal of each stress point of a plurality of stress points of the foot;
and S300, calculating the gravity center position of the foot according to the coordinate of each stress point of the multiple stress points of the foot and the pressure signal.
In the embodiment, the gravity center position of the foot is calculated according to the coordinates of each stress point of the multiple stress points of the foot and the corresponding pressure signal by acquiring the coordinates of each stress point of the multiple stress points of the foot and then acquiring the pressure signal of each stress point of the multiple stress points of the foot. Specifically, firstly, test points for testing foot pressure need to be determined, in order to better acquire pressure test data, one stress point is respectively selected as the test points in the forefoot region, the midfoot region and the hindfoot region of the sole of a human body, and then the coordinates of the selected stress points are stored in the processor. And after the processor acquires the coordinates of each stress point and the corresponding pressure signal, the gravity center position of the foot is calculated.
In some embodiments, if the coordinates of the selected force-bearing points are (X1, Y1), (X2, Y2), (X3, Y3), respectively, the corresponding pressure signals are G1, G2, G3, and the total force value G is G1+ G2+ G3, according to the principle of moment balance, there are:
G*X＝G1*X1+G2*X2+G3*X3 (1)
G*Y＝G1*Y1+G2*Y2+G3*Y3 (2)
wherein, (X, Y) is the coordinates of the gravity center position of the foot.
According to the formulas (1) and (2), the coordinates (X, Y) of the gravity center position of the foot can be calculated, so that the basis is provided for rehabilitation training or clinical treatment of the foot or other parts of the user.
In some embodiments, the left foot and the right foot may be tested separately for separate analysis, diagnosis and rehabilitation training of the left foot and the right foot. Specifically, according to the above calculation method, the coordinates of each of the plurality of force points of the left foot are obtained, the pressure signal of each of the plurality of force points of the left foot is obtained, and the gravity center position of the left foot is calculated according to the coordinates of each of the plurality of force points of the left foot and the corresponding pressure signal. Similarly, the coordinates of each stress point of the multiple stress points of the right foot are obtained, the pressure signal of each stress point of the multiple stress points of the right foot is obtained, and the gravity center position of the right foot is calculated according to the coordinates of each stress point of the multiple stress points of the right foot and the corresponding pressure signal.
In some embodiments, as shown in fig. 2, the foot state testing method further comprises:
s400, calculating the gravity center position of the human body according to the gravity center position of the left foot and the gravity center position of the right foot;
s500, judging whether the gravity center position of the human body meets a preset range or not;
and S600, outputting feedback information according to the judgment result.
After the gravity center position of the left foot and the gravity center position of the right foot are calculated, the gravity center position of the human body can be calculated according to the gravity center position of the left foot and the gravity center position of the right foot, and whether the standing posture or the walking posture of the tested person is normal or not or whether the phenomenon is abnormal or not is judged by judging whether the gravity center position of the human body accords with a preset range or not.
In some embodiments, if the calculated center of gravity of the left foot is (Xa, Ya) and the calculated center of gravity of the right foot is (Xb, Yb), the center of gravity of the human body is ((Xa + Xb)/2, (Xa + Xb)/2) according to the characteristics of the human body. And judging whether the horizontal coordinate (Xa + Xb)/2 and the vertical coordinate (Xa + Xb)/2 of the gravity center position of the human body accord with a preset range or not, and outputting feedback information according to a judgment result, so that the tested person can know whether the standing posture or the walking posture of the tested person is normal or not or whether the phenomenon is unbalanced or not. The preset range can be determined through big data statistics, specifically, data of the normal walking and standing of the tested person are collected for analysis and integration, and the range of the position of the center of gravity of the human body of the normal walking and standing is determined and serves as the preset range.
In some embodiments, if the abscissa (Xa + Xb)/2 and the ordinate (Xa + Xb)/2 of the position of the center of gravity of the human body both conform to the preset range, the standing posture or the walking posture of the subject is normal, and feedback information which does not need to be corrected is output; if the abscissa (Xa + Xb)/2 of the gravity center position of the human body accords with the preset range and the ordinate (Xa + Xb)/2 does not accord with the preset range, the standing posture or the walking posture of the tested person is forward or backward inclined, and feedback information for reminding the tested person to keep the body neutral in the front and back directions when standing or walking is output; if the abscissa (Xa + Xb)/2 of the gravity center position of the human body does not accord with the preset range and the ordinate (Xa + Xb)/2 accords with the preset range, the standing posture or the walking posture of the tested person has the problem of left inclination or right inclination, and feedback information for reminding the tested person to keep the body neutral in the left-right direction when standing or walking is output. It is understood that if the subject determines that the body is neutral while standing or walking, there may be a biased phenomenon that the left and right feet are not as large.
Further, as shown in fig. 3, an embodiment of the present invention provides a foot state testing system, including:
the pressure detection module 100, the pressure detection module 100 is configured to detect a pressure signal of each of a plurality of force points of the foot;
the main controller 200 is connected with the pressure detection module 100, and is used for receiving the pressure signal and processing the pressure signal;
a wireless communication module 300, wherein the main controller 200 is in wireless communication with an upper computer through the wireless communication module 300;
the upper computer 400 is used for acquiring the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals, and calculating the gravity center position of the foot according to the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals.
In some embodiments, the pressure detection module 100 is a membrane pressure sensor. The main controller 200 comprises a single-chip STC12C5A60S 2. The single-chip microcomputer STC12C5A60S2 carries out 10-bit AD conversion, samples pressure signals, then carries out moving average filtering on the sampled signals, and analyzes and processes each group of signal indexes of the sampled signals in a time domain. The wireless communication module 300 is a WIFI or bluetooth module. The upper computer 400 is a terminal device, such as a mobile phone, a tablet computer, or the like.
In some embodiments, the upper computer 400 is further configured to calculate a barycentric position of the human body according to the barycentric position of the feet, determine whether the barycentric position of the human body meets a preset range, and output feedback information according to the determination result. For a specific process, please refer to the description of the foot state testing method, which is not described herein again.
The foot state testing system can measure the pressure value within the range of 200 g-100 kg, the pressure signal amplitude within the range of 5 mVpp-5 Vpp, the measurement power accuracy reaches 3.5 percent, and the problems of standing posture and walking posture of a human body can be accurately and indirectly measured.
Further, an embodiment of the present invention provides a wearable device, which includes the above pressure detection module, the main controller, the wireless communication module, a foot pack and a foot pad, wherein the pressure detection module is disposed in the foot pad, and the main controller and the wireless communication module are disposed in the foot pack.
In some embodiments, the wearable device further comprises an Mcp6004 operational amplifier and a Tc7660 voltage converter, for amplifying and voltage converting the pressure signal and sending the amplified and converted pressure signal to the master controller. The wearable device further comprises a power module for supplying power to the pressure detection module, the main controller and the wireless communication module. The power module may employ a lithium battery.
The pressure detection module, the main controller and the wireless communication module are integrated in the wearable device with the volume not more than 0.01m ^3, the carrying is convenient, and the wearing is simple. During the test, the measurand wears wearable equipment, specifically, puts into the shoes with the callus on the sole, ties up the foot package in ankle department through the bandage. The testee stands still or walks for a certain time as required, and plantar film pressure sensor just transmits plantar atress data to main control unit, and main control unit sends to the host computer through WIFI or bluetooth after handling data. And the upper computer judges whether the standing posture and the walking posture of the tested person are correct or not, and then gives a reasonable feedback suggestion to the tested person.
Further, an embodiment of the present invention provides an electronic device, including:
at least one processor, and,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the above-described stateful testing method.
Further, an embodiment of the present invention provides a computer-readable storage medium, which stores computer-executable instructions for causing a computer to execute the above-mentioned method for testing the foot state.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The foot state testing method is characterized by comprising the following steps:
acquiring the coordinates of each stress point of a plurality of stress points of the foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the foot;
and calculating the gravity center position of the foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the foot.
2. The footfall testing method of claim 1, wherein the foot comprises a left foot, the footfall testing method comprising:
acquiring the coordinate of each stress point of the plurality of stress points of the left foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the left foot;
and calculating the gravity center position of the left foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the left foot.
3. The footfall testing method of claim 1, wherein the foot section comprises a right foot, the footfall testing method comprising:
acquiring the coordinate of each stress point of the multiple stress points of the right foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the right foot;
and calculating the gravity center position of the right foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the right foot.
4. The footfall testing method of claim 3, wherein the foot further comprises a left foot, the footfall testing method further comprising:
acquiring the coordinate of each stress point of the plurality of stress points of the left foot;
acquiring a pressure signal of each stress point of a plurality of stress points of the left foot;
calculating the gravity center position of the left foot according to the coordinate and the pressure signal of each stress point of the plurality of stress points of the left foot;
calculating the gravity center position of the human body according to the gravity center position of the left foot and the gravity center position of the right foot;
judging whether the position of the center of gravity of the human body meets a preset range or not;
and outputting feedback information according to the judgment result.
5. A posture testing system, comprising:
the pressure detection module is used for detecting a pressure signal of each stress point of a plurality of stress points of the foot;
the main controller is connected with the pressure detection module and used for receiving the pressure signal and processing the pressure signal;
the main controller is in wireless communication with an upper computer through the wireless communication module;
and the upper computer is used for acquiring the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals, and calculating the gravity center position of the foot according to the coordinates of each stress point of the multiple stress points of the foot and the processed pressure signals.
6. The foot state testing system according to claim 5, wherein the upper computer is further configured to calculate a human body gravity center position according to the foot gravity center position, judge whether the human body gravity center position meets a preset range, and output feedback information according to a judgment result.
7. The foot testing system of claim 5 or 6, wherein the pressure detection module is a membrane pressure sensor.
8. Wearable device, comprising a pressure detection module, a main controller and a wireless communication module according to any of claims 5 to 7, further comprising a foot pack and a foot pad, the pressure detection module being arranged in the foot pad, the main controller and the wireless communication module being arranged in the foot pack.
9. A computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of footfall testing as claimed in any one of claims 1 to 4.
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| CN115487480A (en) * | 2022-08-11 | 2022-12-20 | 江西中业光文化科技有限公司 | Body position sensing device and method and boxing system |
| CN117122312A (en) * | 2023-10-26 | 2023-11-28 | 四川大学华西医院 | Anti-fall early warning system, method, equipment, storage medium and plantar electronic skin |
| CN117122312B (en) * | 2023-10-26 | 2024-01-05 | 四川大学华西医院 | Anti-fall early warning system, method, equipment, storage medium and plantar electronic skin |
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