JP2008104775A - Knee extension muscular strength measuring instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a knee extension muscular strength measuring instrument stably, surely and highly reproducibly performing the measurement with a simple operation. <P>SOLUTION: This knee extension muscular strength measuring instrument consists of a sensor 2, a belt body 3 attached to the front part 2a of the sensor 2, a capture implement 4 attached to the rear part 2b of the sensor 2, a three-legged stool 5, and a display 6 provided in the sensor 2; and is characterized in fastening the belt body 2 around an ankle of a patient, latching the capture implement 4 to the rear middle leg 7 of the three-legged stool 5, allowing the patient to sit on the three-legged stool 5 and extend the knee, displaying the muscular strength related to the motion on the display 6 and measuring the knee extension muscular strength. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a knee extension muscle strength measuring device that measures the muscle strength applied to extension of a human knee.

The conventional technique includes a measuring unit, a traction shaft, a traction endless belt, and a pressing handle.
The examiner holds the pressing handle, and the examinee who put his arm on the endless belt for pulling pulls it and measures the muscular strength by bending the arm.
Low cost and space saving effect.
JP-A-9-56704

  The prior art has the effect of low cost and space saving. However, since the pressing handle is not fixed, the measurement operation is unstable. The measurement operation is skillful according to the experience of the examiner, is not constant, and the measurement operation is not easy.

An object of the present invention is to provide a knee extension muscle strength measuring apparatus capable of performing measurement with reproducibility in a stable, reliable and easy operation.
That is, the present invention is provided in the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the sensor 2. It consists of a display 6, the cord body 3 is fastened to the patient's ankle, the capture device 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and moves The knee extension muscle strength measuring apparatus is characterized in that the muscle strength according to the above is displayed on the display 6 to measure the knee extension muscle strength.
Alternatively, the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the sensor 2 connected to the sensor 2 The calculation storage device 21 stores the measured values and displays them in a graph on the screen 31, and fixes the cord 3 to the patient's ankle. Then, the capture tool 4 is hooked on the rear middle leg 7 of the tripod chair 5, the patient sitting on the tripod chair 5 extends the knee, and the muscle strength related to the movement is displayed on the arithmetic storage device 21 so that the extension strength of the knee is displayed. taking measurement.
Further, the arithmetic storage device 21 is provided with a recording unit 24 for inserting the personal memory card 25 and storing the muscle strength measurement values in the personal memory card 25.
Furthermore, a cable 23 connected to the arithmetic storage device 21 and a personal computer 22 are provided. The personal computer 22 records measurement values for each patient and compares the measurement values with standard values stored in the personal computer 22 in advance. And each patient gets an evaluation compared to his past measurements.
Alternatively, the sensor 2, the cable body 3 attached to the front portion 2a of the sensor 2, the catching tool 4 attached to the rear portion 2b of the sensor 2, and the circular recess 28c and the right-angle recess 28b inside the main body 28a. A clamp 28, a chair 40, a clamp holding body 41 provided below or below and behind the chair 40 and capable of hooking the clamp 28, and a sensor 2 connected to the sensor 2 to calculate and process the detection signal. The calculation storage device 21 stores the measured value and displays it on the screen 31. The calculation storage device 21 holds the clamp 28 on the clamp holding portion 41 and attaches the clamp 28 to the clamp 28. The catch 4 is hooked, the tip of the cord body 3 is fastened to the ankle of the patient sitting on the chair 40, the patient extends the knee, and the muscle strength related to the operation is displayed on the arithmetic storage device 21 to display the knee. Measure extensor muscle strength.

In the present invention, the tip of the cord body 3 is fastened to the patient's ankle, the catch 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and extends. Since it measures muscular strength, the structure is simple and can be manufactured at low cost, and the preparatory work is to hang the rear middle leg 7 at the rear part of the tripod chair 5 and at the center in the left-right direction. This is convenient because it can be easily operated only by being hooked on the ring 15, and can be easily measured in a safe and stable state.
Furthermore, the use of the tripod chair 5 is advantageous because the space occupied by the sensor 2 can be secured below the seat portion 16 between the lower leg of the patient seated on the tripod chair 5 and the rear middle leg 7.
Further, the tripod chair 5 is provided with a minimum number of three legs where necessary, and can be manufactured inexpensively and lightly.

In the present invention, the tip of the cord body 3 is fastened to the patient's ankle, the catch 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and extends. Since it measures muscular strength, it is convenient because it is simple in construction and can be manufactured at low cost.
Moreover, the preparatory work relating to the measurement of the knee extension muscular strength may be an operation that only requires the capture tool 4 to be hooked on the rear middle leg 7 of the tripod chair 5, which is easy and convenient.
In addition, the arithmetic storage device 21 can store measured values, and the measured values are displayed in a graph on the screen 31 in real time, and the onset state of muscular strength can be understood from the graph, which is advantageous for measurement and diagnosis.

The arithmetic storage device 21 according to the present invention is provided with a recording unit 24 for inserting a personal memory card 25 and additionally storing measurement values therein.
According to this configuration, since the patient has his / her own personal memory card 25, if the personal memory card 25 is put in an appropriate reader (not shown) and reproduced, the patient's own knee extension can be obtained without asking the doctor. Power is understood and convenient.
Further, when the personal memory card 25 is inserted into the recording unit 24 at the time of measurement, the measurement data can be stored in the personal memory card 25. The doctor does not have to sort the measurement data for each patient, saves time, is convenient for the operation of the personal memory card 25, and can be easily compared with necessary past data.

The present invention is provided with a cable 23 connected to the arithmetic storage device 21 and a personal computer 22. The personal computer 22 records measurement data for each individual and stores the measurement data in the personal computer 22 in advance. In addition, each individual obtains an evaluation, and each individual obtains an evaluation by comparing with his / her past data.
According to this configuration, it is convenient that the measurement data can be taken into the personal computer 22 by connecting the cable 23 and automatically stored for each individual.
Moreover, it is easy and convenient to compare and evaluate the measurement data with the standard data.

In the present invention, the clamp 28 is hooked on the clamp hooking portion 41, the catching tool 4 is hooked on the clamp 28, the tip of the cord body 3 is fastened to the ankle of the patient sitting on the chair 40, The patient extends the knee and displays the muscle strength related to the movement on the arithmetic storage device 21 to measure the knee extension muscle strength.
According to this configuration, the clamp 28 is hooked on the clamp hanging body 41 of the existing chair 40, and the capture tool 4 is hung on the clamp 28, and the clamp 28 is measured by the clamp hanging body 41. Whether it is a cylinder or a prism, it can be securely attached, and the catch 4 can be easily attached to the hanging ring 15 of the clamp 28, and the preparation for measurement is simple and convenient.
Further, the chair support 27, the back support 43, and other appropriate clamps 41, which are appropriate frames, are often present in the muscular exercise device. The used invention is easy to use, and the versatility of the present invention is high and convenient.

The purpose of providing a knee extension muscle strength measuring device that can measure stably and reliably with reproducibility and can be measured with easy operation,
From the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the display 6 provided on the sensor 2. Then, the front part of the cord 3 is fixed to the ankle of the patient, the capturing device 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and exerts extension muscle strength. Realized as a measurement.

FIG. 1 shows a first embodiment of a knee extension muscle strength measuring apparatus 1 according to the present invention.
The first embodiment is provided in the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the sensor 2. And display unit 6.
The cord 3 is fastened to the patient's ankle, the catch 4 is hung on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and measures the extension muscle strength. To do.

  The sensor 2 includes a strain gauge (not shown) that senses a tensile force and a housing 8 that holds the strain gauge. Front / rear connecting projections 9 and 10 are formed on the front part 2a and the rear part 2b of the housing 8. A connecting ring 11 is connected to the front connecting protrusion 9.

The display 6 is provided at an easily visible position above the sensor 2.
The display 6 displays the muscular strength value obtained by calculating the output value of the sensor 2.

The cable body 3 includes a belt 12, an attachment 13 that is locked in the middle of the belt 12 and attached to the ankle, and a belt fixing bracket 14 that is provided at one end of the belt 12 and adjusts the length of the belt 12.
The other end of the belt 12 is inserted into the connecting ring 11 and then inserted into the belt fixing bracket 14 and is hooked on the belt fixing bracket 14 to determine the belt length.

  The capturing tool 4 is connected to the rear connection protrusion 10 of the sensor 2 and is a member that hooks the sensor 2 on the hanging ring 15 of the rear middle leg 7 of the tripod chair 5 or releases the hook.

The tripod chair 5 includes a seat portion 16, a front left leg 17, a front right leg 18, and an inverted T-shaped rear middle leg 7.
The vertical portion 7a of the rear middle leg 7 is provided at the lower rear portion of the seat portion 16 and is provided vertically at the center in the left-right direction, and the hanging ring 15 is formed inside the vertical portion 7a. A reinforcing frame 19 is installed on the back surface of the seat portion 16 and the rear middle leg 7.
In FIG. 1, 33 is a planar tape fixing part.

Example 1 is used to measure the knee extension muscle strength of a patient. In this case, the patient first sits on the tripod chair 5.
Next, the attachment 13 of the cord body 3 is fixed to the ankle of one leg of the patient. The cable body 3 is inserted into the connecting ring 11 of the sensor 2.
The capturing tool 4 of the sensor 2 is hooked on the hanging ring 15 of the rear middle leg 7 of the tripod chair 5.
The lever 20 of the belt fixing bracket 14 is pushed, and the length of the belt 12 is adjusted and fixed.

A patient sitting on the tripod chair 5 extends the bent knee and starts measurement.
When extended, the cord body 3 is pulled, the tension of the cord body 3 is applied to the sensor 2, and the sensor 2 detects the tension of the cord body 3.
A value detected by the sensor 2 is calculated by a controller (not shown) and converted to a muscle strength value.
The maximum value of the muscle strength value is displayed numerically on the display 6, and the user measures the maximum value of the knee extension muscle strength of the patient's knee from the value of the display 6.

A second embodiment shown in FIGS. 2 and 3 is obtained by connecting an arithmetic storage device 21 and a personal computer 22 to the sensor 2 of the first embodiment.
The calculation storage device 21 according to the second embodiment is connected to the sensor 2 by a sensor cable 32, and calculates, processes, and displays the detection signal of the sensor 2.
The arithmetic storage device 21 stores the measurement value related to the extension muscle strength obtained by extending the knee by the patient sitting on the tripod chair 5 and displays the measurement value on the screen 31 as a graph.

The arithmetic storage device 21 is provided with a recording unit 24 for inserting a personal memory card 25 and additionally storing measurement values therein.
The personal memory card 25 is a card for recording electronic data produced for each patient.

The personal computer 22 is connected to the arithmetic storage device 21 with a cable 23, and evaluates and displays the muscular strength of the patient for each individual.
That is, the personal computer 22 records measurement data for each individual, compares the measurement data with a predetermined standard value stored in the personal computer 22 in advance, and displays the evaluation result.
Moreover, each patient evaluates in comparison with his past data, and the evaluation result is displayed.

The muscle strength is measured using Example 2.
The muscle strength value when the knee is extended is recorded in the arithmetic storage device 21, and the muscle strength value is displayed on the arithmetic storage device 21 as a graph on the X axis in the time in the Y-axis direction.

If the personal memory card 25 is inserted into the recording unit 24 of the arithmetic storage device 21, the current measurement value is additionally recorded on the card 25.
If the patient is inserted into a regenerator (not shown) that reproduces the recorded data of the personal memory card 25, the muscle strength value of his / her knee extension can be known.

A standard value for evaluation created in advance is recorded in the personal computer 22.
The measured muscular strength value is compared with a standard value, a stage evaluation is performed on the standard value, and the evaluation result is displayed.
Alternatively, the achievement rate with respect to the target value set for each individual is evaluated based on the standard value, and the evaluation value is displayed.

The personal computer 22 records past data of each patient.
The currently measured muscle strength value is compared with the patient's own past data, the past data is evaluated, the progress rate of the patient's strength exercise is calculated, and the calculated value is displayed.
The patient knows his / her strength level and knows the recovery status of the strength exercise and confirms the result of the strength exercise. These evaluations can be used as diagnostic data, and further increase in motivation of patients can be expected.
In FIG. 2, 34 is a sensor connector.

A third embodiment shown in FIG. 4 is obtained by replacing the tripod chair 5 of the first embodiment with a chair 40.
In the third embodiment, a clamp 28 that can be hooked and detached is added to the chair support 27 of the chair 40 of the leg extension exerciser (= leg extension) 35 (= one support chair 26 in the specific example).
Immediately after the single column chair 26, a dorsal fin 42 supported by the dorsal column column 43 is provided.

The clamp 28 has a C-shaped main body 28a, a clamp ring 29 formed on one side of the main body 28a, and a clamp adjustment knob 30 on the other side of the main body 28a.
A right-angle recess 28b is provided in the vertical direction on one inner side of the main body 28a shown in FIG.

Furthermore, the circular recess 28c is also provided in the vertical direction, so that the clamp 28 can be securely attached to the chair support 27, regardless of whether the chair support 27 is a prism or a cylinder.
The clamp latching body 41 that latches the clamp 28 is a frame 36 that can latch the chair column 27, the back column 43, and other clamps 28.

In preparation work for measuring muscle strength, the attachment 13 is attached to the patient's ankle.
Next, the clamp 28 is hooked on the clamp hooking body 41.
That is, the clamp 28 is applied to the chair column 27 that is a prism of the single column chair 26, the clamp adjustment knob 30 is tightened, and the clamp 28 is fixed to the chair column 27.
Subsequently, the capturing tool 4 attached to the rear part 2 b of the sensor 2 is hung on the clamp ring 29.

A patient sitting on the one-post chair 26 extends the knee and measures the extension muscle strength with the sensor 2 and the arithmetic storage device 21.
In the above-described preparation, the clamp 28 is hooked on the chair post 27. However, in another preparation example, the clamp 28 may be hooked on the dorsal column 43.

In FIG. 4, 37 is a roll, 38 is a weight, and 39 is an arm.
Further, the third embodiment is not limited to the lower limb extension exercise machine 35, and can be attached to the clamp suspension body 41 of the lower limb flexion exercise machine, the trunk extension exercise machine, or other exercise machines to measure the lower limb extension muscle strength. .

  From the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the display 6 provided on the sensor 2. The cable body 3 is fastened to the patient's ankle, the catch 4 is hooked to the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and measures the extension muscle strength. Therefore, the present invention can be applied to a knee extension muscle strength measuring apparatus that can perform measurement with reproducibility in a stable, reliable and easy operation.

It is a perspective view of Example 1 of the present invention. It is a fragmentary diagram of the sensor etc. of Example 2 of the present invention. It is a right side surface of Example 2 of the present invention. It is a perspective view which shows the chair of Example 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Knee extension muscular strength measuring device 2 Sensor 2a front part 2b rear part 3 Cable body 4 Trapping tool 5 Tripod chair 6 Indicator 7 Rear middle leg 21 Computation storage device 22 Personal computer 23 Cable 24 Recording part 25 Personal memory card 26 Single support chair 27 Supporting part 28 Clamp 28a Main body 28b Right angle recess 28c Circular recess 31 Screen 40 Chair 41 Clamp latch

Claims (5)

From the sensor 2, the cable body 3 attached to the front part 2 a of the sensor 2, the capturing tool 4 attached to the rear part 2 b of the sensor 2, the tripod chair 5, and the display 6 provided on the sensor 2. Become
The cord body 3 is fastened to the ankle of the patient, the capturing device 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and displays the muscle strength related to the movement of the indicator 6. A knee extension muscle strength measuring device, characterized in that the knee extension muscle strength is measured by displaying on the screen. Sensor 2, cable body 3 attached to front part 2 a of sensor 2, capture tool 4 attached to rear part 2 b of sensor 2, tripod chair 5, detection of sensor 2 connected to sensor 2 An arithmetic storage device 21 that calculates, processes, and displays a signal, and the arithmetic storage device 21 stores a measured value and displays it on a screen 31 as a graph;
The cord body 3 is fastened to the ankle of the patient, the catch 4 is hooked on the rear middle leg 7 of the tripod chair 5, and the patient sitting on the tripod chair 5 extends the knee and calculates the muscular strength related to the operation. 21. A knee extension muscle strength measuring device which is displayed on the screen 21 and measures the knee extension muscle strength.   The knee extension muscle strength measuring device according to claim 2, wherein the arithmetic storage device (21) is provided with a recording unit (24) for inserting a personal memory card (25) and storing a muscle strength measurement value in the personal memory card (25).   A cable 23 connected to the arithmetic storage device 21 and a personal computer 22 are provided. The personal computer 22 records measurement values for each patient, and compares the measurement values with standard values stored in the personal computer 22 in advance. 3. The knee extension muscle strength measuring device according to claim 2, wherein each of the patients obtains an evaluation and an evaluation obtained by comparing each patient with his / her past measurement value. The sensor 2, the cable body 3 attached to the front portion 2a of the sensor 2, the catching tool 4 attached to the rear portion 2b of the sensor 2, and the circular recess 28c and the right-angle recess 28b inside the main body 28a. A clamp 28, a chair 40, a clamp hooking body 41 provided below or below and behind the chair 40 and capable of hooking the clamp 28, and connected to the sensor 2 to calculate, process and display the detection signal of the sensor 2. The arithmetic storage device 21 stores the measured value and displays it on the screen 31 as a graph.
The clamp 28 is hooked on the clamp hooking portion 41, the catching tool 4 is hooked on the clamp 28, the tip of the cord body 3 is fastened to the ankle of the patient sitting on the chair 40, and the patient holds the knee. A knee extension muscle strength measuring device characterized in that the knee strength muscle strength of a knee is measured by displaying the muscle strength relating to the extension and the movement on the arithmetic storage device 21.

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