CN117679049B - Surface myoelectricity auxiliary test assembly under maximum isometric independent contraction condition - Google Patents
Surface myoelectricity auxiliary test assembly under maximum isometric independent contraction condition Download PDFInfo
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- CN117679049B CN117679049B CN202410116719.5A CN202410116719A CN117679049B CN 117679049 B CN117679049 B CN 117679049B CN 202410116719 A CN202410116719 A CN 202410116719A CN 117679049 B CN117679049 B CN 117679049B
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 230000008602 contraction Effects 0.000 title claims abstract description 14
- 210000000689 upper leg Anatomy 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims description 47
- 230000036544 posture Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 15
- 210000003205 muscle Anatomy 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 210000003414 extremity Anatomy 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000004913 activation Effects 0.000 description 4
- 210000000629 knee joint Anatomy 0.000 description 4
- 210000002414 leg Anatomy 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6891—Furniture
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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
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction, which comprises a seat for assisting a subject to perform sitting posture detection and a main binding structure attached to the seat, wherein the seat comprises a seat plate with a backrest, the bottom of the seat plate is fixedly connected with a bottom box, the bottom of the bottom box is fixedly connected with a bottom plate, and the front side of the seat plate is provided with a thigh binding structure for binding thighs. The surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction can effectively replace manpower to fix corresponding limbs of a subject, ensure corresponding muscle force, save a large amount of manpower and complete the test under the condition that a single worker is present; the test device can ensure that the test subject maintains a standard posture, prevent the motion deformation from generating compensation and ensure the test accuracy; meanwhile, the testing process is simplified, and a large amount of time for changing the body position and debugging the equipment is saved; and the two test modes share one set of structure, so that the use is convenient.
Description
Technical Field
The invention relates to the technical field of myoelectricity test, in particular to a surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction.
Background
On one hand, the measurement of the muscle activation degree needs to collect surface myoelectricity of the subject in the walking process, and on the other hand, the myoelectricity level of the subject in the maximum activation of the muscle under the condition of the maximum isometric autonomous contraction of the subject needs to be collected, so that the muscle activation level of the subject in the walking process is obtained; however, the current test mode has the following defects:
disadvantage 1: time and effort are consumed; at present, when the myoelectricity level test is carried out during the maximum activation of the muscles during the maximum isometric autonomous contraction, the corresponding limbs of the subject are required to be fixed, so that the corresponding muscles are ensured to exert force. However, in the current method for performing the test, one method is to provide a plurality of staff to fight against the same force, which consumes a great deal of manpower;
disadvantage 2: the accuracy cannot be guaranteed as a result; the force of the staff is used for antagonizing the subject, so that the stability of the posture of the subject cannot be ensured, posture compensation is easy to generate, and the test result is inaccurate;
disadvantage 3: the process is complicated, and the time cost is high; if the constant-speed muscle strength testing instrument is used for replacing manpower, the testing can be performed only after equipment debugging and corresponding angle adjustment are performed, the process is complex, and the time cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction, which solves the problems that when the myoelectricity level is tested under the condition of maximum isometric autonomous contraction of a subject, the test is assisted by adopting a manual countermeasure mode, a great deal of manpower is consumed, gesture compensation is easy to generate, the test result is influenced, and if the constant-speed myoelectricity test instrument is used for replacing the manpower, the process is complicated.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the surface myoelectricity auxiliary test assembly comprises a seat for assisting a subject to perform sitting posture detection and a main binding structure attached to the seat, wherein the seat comprises a seat plate with a backrest, the bottom of the seat plate is fixedly connected with a bottom box, the bottom of the bottom box is fixedly connected with a bottom plate, the front side of the seat plate is provided with a thigh binding structure for binding thighs, and the top of the bottom plate is provided with an instep binding structure for binding feet;
the main binding structure is attached to the seat plate and the bottom box for installation when the sitting posture is detected, and is used for binding the upper body of the subject on the backrest of the seat plate and binding the lower leg of the subject on the front side of the bottom box;
the bottom hook is hung on the bottom plate when the main constraint structure detects the standing posture, and the main constraint structure is used for pressing down the shoulders of the subjects.
Preferably, the main restraint structure comprises a long restraint strap, one end of the long restraint strap is sleeved with a hanging buckle, and a plurality of hanging rings matched with the hanging buckle are arranged at equal intervals on the middle section of the long restraint strap.
Preferably, the other end of the long restraint strap is rotationally connected with a hook, the left side and the right side of the front side of the bottom box are fixedly connected with turning frames, and the other ends of the two long restraint straps penetrate through the turning frames to turn to the middle and are connected with each other through the hook in a hooking mode to bind the lower leg.
Preferably, the left side and the right side of the seat plate are provided with a plurality of groups of notches for penetrating the long restraint belts and guiding the tracks of the long restraint belts, and the two groups of long restraint belts are crossed in front of the chest and are hung on the hanging rings of the other side through the hanging hooks when the long restraint belts are tied on the upper body of the subject.
Preferably, the left side and the right side of the front side of the top of the bottom plate are fixedly connected with bottom rings, the hook at one end of the long constraint belt is hooked on the corresponding hanging ring when the standing gesture detection is carried out, and the other end of the long constraint belt is hooked on the bottom rings through the hook.
Preferably, the instep constraint structure comprises a fixed block and a positioning sleeve which are fixedly connected to the top of a bottom plate and positioned on two sides of the front side of the bottom box, a pressing frame is fixedly connected between the fixed block and the positioning sleeve, one side of the fixed block is fixedly connected with a short constraint belt, the other end of the short constraint belt sequentially penetrates through the pressing frame and the positioning sleeve, and a first fastening bolt for pressing and fixing the short constraint belt is penetrated through the top thread of the positioning sleeve.
Preferably, the thigh constraint structure comprises a winding box fixedly connected to one corner of the front side of the bottom of the seat and a winding constraint belt wound by a winding shaft, a notch is formed in the middle of the front side of the seat to be used for penetrating the winding constraint belt and guiding the track of the winding constraint belt, the other end of the winding constraint belt is hooked on a T-shaped hanging shaft at the other corner of the front side of the bottom of the seat through the top of the front side of the seat, and a metal ring matched with the T-shaped hanging shaft is arranged at the other end of the winding constraint belt.
Preferably, the rear side of rolling box is installed the back lid, and the rear side fixedly connected with spring barrel of back lid, the drive shaft of spring barrel runs through the back lid and is connected in the windup axle, the top screw thread of windup box export is run through and is used for compressing tightly the second fastening bolt of rolling restraint strap.
Advantageous effects
The invention provides a surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction. Compared with the prior art, the method has the following beneficial effects:
1. according to the surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction, by arranging the seat to be matched with the main binding structure, the thigh binding structure, the instep binding structure and other structures, the upper body, the thigh, the shank and the instep of a subject can be bound on the seat when the subject is in sitting posture test, the main binding structure can be pulled out to be sleeved under the shoulder to press the binding shoulder when the subject is in standing posture test, the corresponding limbs of the subject can be effectively fixed instead of manpower, the corresponding muscle exertion of the subject is ensured, a large amount of manpower is saved, and the test can be completed under the condition that a single worker is in the presence; the test device can ensure that the test subject maintains a standard posture, prevent the motion deformation from generating compensation and ensure the test accuracy; meanwhile, the testing process is simplified, and a large amount of time for changing the body position and debugging the equipment is saved; and the two test modes share one set of structure, so that the use is convenient.
2. The surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction can be used for binding an upper body by attaching two groups of main binding structures to two sides of a seat, the other end of the main binding structures can be used for realizing the restraint on the lower leg by butt joint, the shoulder pressing part can be pressed down by folding and connecting after the main binding structures are pulled out, and the two modes of installation can be realized by only penetrating between a notch and a turning frame, so that the operation is simple and the switching is convenient.
3. The surface myoelectricity auxiliary test assembly under the condition of maximum isometric autonomous contraction can be used for carrying out adaptation adjustment according to different subjects, the winding restraining belt is long, thighs with different thicknesses of different body type subjects can be adapted, the suitability is strong, the winding restraining belt is long in winding through the winding box, random scattering can be avoided, the winding restraining belt is convenient to pull and tighten due to the fact that the winding box is arranged, the winding restraining belt is convenient to pull due to the fact that the winding box is arranged on one hand, the winding restraining belt is convenient to pull due to the fact that the T-shaped hanging shaft is matched with the second fastening bolt, and the winding restraining belt is convenient to fix.
Drawings
FIG. 1 is a schematic diagram of a sitting posture detecting state of the present invention;
FIG. 2 is a schematic diagram of a standing position detection state of the present invention;
FIG. 3 is a schematic view of the structure of the hanger of the present invention;
FIG. 4 is a rear exploded view of the thigh strapped structure of the present invention;
fig. 5 is a schematic view of an instep enclosing structure according to the present invention.
In the figure: 1-seat, 11-seat pan, 12-bottom case, 13-floor, 14-deflector frame, 15-bottom ring, 16-notch, 2-primary restraint structure, 21-long restraint strap, 22-buckle, 23-link, 24-hook, 3-thigh restraint structure, 31-winding box, 32-winding shaft, 33-winding restraint strap, 34-metal ring, 35-rear cover, 36-spring box, 37-second fastening bolt, 4-instep restraint structure, 41-fixed block, 42-positioning sleeve, 43-down frame, 44-short restraint strap, 45-first fastening bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides three technical schemes:
fig. 1-2 show a first embodiment: the surface electromyographic auxiliary test assembly comprises a seat 1 for assisting a subject to perform sitting posture detection and a main binding structure 2 attached to the seat 1, wherein the seat 1 comprises a seat plate 11 with a backrest, the bottom of the seat plate 11 is fixedly connected with a bottom box 12, the bottom of the bottom box 12 is fixedly connected with a bottom plate 13, the front side of the seat plate 11 is provided with a thigh binding structure 3 for binding thighs, and the top of the bottom plate 13 is provided with an instep binding structure 4 for binding feet, which is positioned at the front side of the bottom box 12;
the main binding structure 2 is attached to the seat plate 11 and the bottom box 12 when the sitting posture is detected, and the main binding structure 2 is used for binding the upper body of a subject on the backrest of the seat plate 11 and binding the lower leg of the subject on the front side of the bottom box 12;
the bottom end of the main binding structure 2 is hooked on the bottom plate 13 when the main binding structure 2 performs standing posture detection, and the main binding structure 2 is used for pressing down the shoulders of the subjects.
By arranging the seat 1 and matching with the main binding structure 2, the thigh binding structure 3, the instep binding structure 4 and other structures, the upper body, the thigh, the shank and the instep of a subject can be bound on the seat 1 when the sitting posture test is carried out, the main binding structure 2 can be pulled out to be sleeved under the shoulder to press the binding shoulder when the standing posture test is carried out, the corresponding limbs of the subject can be effectively fixed instead of manpower, the corresponding muscle exertion force of the subject is ensured, a large amount of manpower is saved, and the test can be completed under the condition that a single worker is present; the test device can ensure that the test subject maintains a standard posture, prevent the motion deformation from generating compensation and ensure the test accuracy; meanwhile, the testing process is simplified, and a large amount of time for changing the body position and debugging the equipment is saved; and the two test modes share one set of structure, so that the use is convenient.
Fig. 1 and 4 show a second embodiment, which differs from the first embodiment mainly in that: the main binding structure 2 comprises a long binding belt 21, one end of the long binding belt 21 is sleeved with a hanging buckle 22, and a plurality of hanging rings 23 which are matched with the hanging buckle 22 are arranged at equal intervals on the middle section of the long binding belt 21.
The other end of the long restraint strap 21 is rotationally connected with a hook 24, the hook 24 comprises a fixed sleeve connected with the long restraint strap 21 and a metal hook rotationally arranged at the end of the fixed sleeve, the metal hook can rotationally adjust an angle to facilitate the mutual hooking of the two hooks 24, the left side and the right side of the front side of the bottom box 12 are fixedly connected with a turning frame 14, and the other ends of the two long restraint straps 21 penetrate through the turning frame 14 to turn backwards and are connected with each other through the mutual hooking of the hooks 24 so as to bind the lower leg.
The seat 11 has a plurality of groups of notches 16 on both the left and right sides for threading the long restraint bands 21 and guiding the track, and the two groups of long restraint bands 21 cross in front of the chest and are hooked on the hanging rings 23 of the other side through the hanging buckles 22 when the upper body of the subject is restrained.
The left side and the right side of the front side of the top of the bottom plate 13 are fixedly connected with bottom rings 15, a hanging buckle 22 at one end of a restraining belt 21 for detecting standing postures is hooked on a corresponding hanging ring 23, and the other end of the long restraining belt 21 is hooked on the bottom rings 15 through a hanging hook 24.
The two groups of main binding structures 2 can be attached to two sides of the seat 1, the upper body can be bound through cross connection, the other end of the main binding structures can be butted to realize the restraint on the lower leg, the shoulder can be pressed down through folio connection after the main binding structures are pulled out, the two modes of installation only need to be penetrated between the notch 16 and the turning frame 14, and the operation is simple and the switching is convenient.
Fig. 1 and 5 show a third embodiment, which differs from the second embodiment mainly in that: the instep binding structure 4 comprises a fixed block 41 and a positioning sleeve 42 which are fixedly connected to the top of the bottom plate 13 and positioned on two sides of the front side of the bottom box 12, a pressing frame 43 is fixedly connected between the fixed block 41 and the positioning sleeve 42 at the top of the bottom plate 13, a short restraint belt 44 is fixedly connected to one side of the fixed block 41, the other end of the short restraint belt 44 sequentially penetrates through the pressing frame 43 and the positioning sleeve 42, and a first fastening bolt 45 for pressing and fixing the short restraint belt 44 is penetrated through the top thread of the positioning sleeve 42.
The thigh constraint structure 3 comprises a winding box 31 fixedly connected to one corner of the front side of the bottom of the seat plate 11 and a winding constraint belt 33 which is wound in the winding box through a winding shaft 32, a notch 16 is formed in the middle of the front side of the seat plate 11 and used for penetrating the winding constraint belt 33 and guiding the track of the winding constraint belt, the other end of the winding constraint belt 33 is hooked on a T-shaped hanging shaft at the other corner of the front side of the bottom of the seat plate 11 through the top of the front side of the seat plate 11, the other end of the winding constraint belt 33 is provided with a metal ring 34 matched with the T-shaped hanging shaft, the T-shaped hanging shaft is of a common structure, a rear cover 35 is mounted on the rear side of the winding box 31, a spring box 36 is fixedly connected to the rear side of the rear cover 35, a driving shaft of the spring box 36 penetrates through the rear cover 35 and is connected with the winding shaft 32, and a second fastening bolt 37 used for pressing the winding constraint belt 33 is penetrated through the top thread of the outlet of the winding box 31.
The instep constraint structure 4 can be adjusted in an adapting way according to different subjects, the rolling constraint belt 33 is longer, thighs with different thicknesses of different body type subjects can be adapted, the adaptation is strong, the winding constraint belt 33 which is longer in rolling through the winding box 31 can be prevented from being scattered randomly, the winding constraint belt 33 is convenient to pull and tighten through the winding box 36, the winding constraint belt 33 is convenient to pull out, and the T-shaped hanging shaft is convenient to fix through the second fastening bolt 37.
The device is only used as an aid, and the electrode patch for specific testing is additionally attached to the skin.
And all that is not described in detail in this specification is well known to those skilled in the art.
The sitting posture test includes the following test items:
action 1: tibial anterior muscle MVC
The key points are as follows: the user sits on the seat 1 with the knee joints bent by 90 degrees, the feet are flatly placed on the bottom plate 13, and the instep is strongly hooked.
Action 2: popliteal cord muscle MVC
The key points are as follows: the user sits on the chair with the knee joints bent by 90 degrees, the feet are flatly placed on the ground, and the knees are hooked forcefully.
Action 3: quadriceps femoris MVC
The key points are as follows: the user sits on the chair with the knee joints bent by 90 degrees, the feet are flatly placed on the ground, and the user stretches the knees forcefully.
Notice that:
1. the back is clung to the chair back;
2. chest holding by both hands;
3. the knee joint is maintained at 90 °;
4. the hip joint is maintained at 90 deg., avoiding hip joint extension due to the forced pedaling of the contralateral lower limb.
When the sitting posture test is carried out, a subject sits on the seat 1, the short constraint belt 44 is pulled loose, the feet are inserted under the short constraint belt 44, the left end of the short constraint belt 44 is pulled tightly, the instep is pressed tightly, and then the first fastening bolt 45 is screwed down to fix the short constraint belt 44;
then the winding restraint belt 33 is pulled out to bypass the thigh and the notch 16 on the front side, then the winding restraint belt is wound from the right front corner of the seat plate 11 to the bottom and sleeved on the T-shaped shaft, the thigh is bound, and then the second fastening bolt 37 is tightened to fix the winding restraint belt 33;
then the bottom ends of the two long restraint belts 21 are wound around the two side steering frames 14 and are hooked with each other by the hooks 24 at the front sides of the lower legs, and then the long restraint belts 21 are tightened to tightly press the lower legs;
finally, the long restraint belt 21 passes through the notch 16 in the mode shown in fig. 1, the top end of the long restraint belt winds down from the top of the backrest and is crossly placed in front of the chest of the subject, and then the upper body is bound on the backrest of the seat 11 by hooking a proper hanging ring 23 by using a hanging buckle 22 to adjust the tightness;
the standing posture test comprises the following test items:
action 4: gastrocnemius MVC
The key points are as follows: standing position, two hands naturally drop on two sides of the body, the test legs stand on the tiptoe, the other legs are lifted off the ground, the shoulders are pressed, the subject lifts the heels upwards, and the body is forced to lift upwards.
Notice that:
1. the hand can not hold other places to borrow force;
2. the shoulder cannot be shrugged.
In the standing position test, the hooks 24 at the two ends of the long restraint strap 21 are separated, the long restraint strap 21 is pulled out, the hooks 24 are hooked on the bottom ring 15, the long restraint strap 21 is pulled to pass around the shoulder from the back of the subject to the front side, and the hanging buckle 22 is hung on a proper hanging ring 23 to press down the shoulder.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a biggest isometric independently contracts surface myoelectricity auxiliary test subassembly under the condition, includes the seat that assists the subject to carry out the position of sitting and detects to adhere to the main constraint structure of seat installation, its characterized in that: the seat comprises a seat plate with a backrest, the bottom of the seat plate is fixedly connected with a bottom box, the bottom of the bottom box is fixedly connected with a bottom plate, the front side of the seat plate is provided with a thigh binding structure for binding thighs, and the top of the bottom plate and the front side of the bottom box are provided with an instep binding structure for binding feet;
the main binding structure is attached to the seat plate and the bottom box for installation when the sitting posture is detected, and is used for binding the upper body of the subject on the backrest of the seat plate and binding the lower leg of the subject on the front side of the bottom box;
the bottom end of the main binding structure is hooked on the bottom plate when the main binding structure detects standing postures, and the main binding structure is used for pressing down the shoulders of the subjects;
the main constraint structure comprises a long constraint belt, one end of the long constraint belt is sleeved with a hanging buckle, a plurality of hanging rings matched with the hanging buckle are arranged on the middle section of the long constraint belt at equal intervals, the other end of the long constraint belt is rotationally connected with a hook, the left side and the right side of the front side of a bottom box are fixedly connected with turning frames, the two ends of the long constraint belt penetrate through the turning frames and are connected with each other through the mutual hooking connection of the hooks in the middle of the turning frames, a plurality of groups of notches for penetrating the long constraint belt and guiding the tracks of the long constraint belt are formed in the left side and the right side of the seat, the two groups of the long constraint belt are crossed in front of a chest and are hung on the hanging rings of the other side through hanging buckle hooks when the long constraint belt is used for binding the upper body of a subject, the left side and the right side of the front side of the top of the bottom plate are fixedly connected with bottom rings, the hanging buckle at one end of the long constraint belt is hooked on the corresponding hanging rings when the standing position is detected, and the other end of the long constraint belt is hooked on the bottom rings through the hooks.
2. The surface myoelectricity auxiliary test assembly according to claim 1 and wherein: the instep constraint structure comprises a fixed block and a positioning sleeve which are fixedly connected to the top of a bottom plate and located on two sides of the front side of a bottom box, a pressing frame is fixedly connected between the fixed block and the positioning sleeve, one side of the fixed block is fixedly connected with a short constraint belt, the other end of the short constraint belt sequentially penetrates through the pressing frame and the positioning sleeve, and a first fastening bolt for pressing and fixing the short constraint belt is penetrated through the top thread of the positioning sleeve.
3. The surface myoelectricity auxiliary test assembly according to claim 1 and wherein: the thigh constraint structure comprises a winding box fixedly connected to one corner of the front side of the bottom of the seat and a winding constraint belt wound through a winding shaft, a notch is formed in the middle of the front side of the seat and used for penetrating the winding constraint belt and guiding the track of the winding constraint belt, the other end of the winding constraint belt is hooked on a T-shaped hanging shaft at the other corner of the front side of the bottom of the seat through the top of the front side of the seat, and a metal ring matched with the T-shaped hanging shaft is arranged at the other end of the winding constraint belt.
4. A surface electromyographic auxiliary test assembly under maximum isometric autonomous contraction conditions according to claim 3, wherein: the rear side of rolling box is installed the back lid, and the rear side fixedly connected with spring barrel of back lid, the drive shaft of spring barrel runs through the back lid and is connected in the rolling axle, the top screw thread of rolling box export runs through has the second fastening bolt that is used for compressing tightly the rolling restraint strap.
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| CN202410116719.5A CN117679049B (en) | 2024-01-29 | 2024-01-29 | Surface myoelectricity auxiliary test assembly under maximum isometric independent contraction condition |
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| CN202410116719.5A CN117679049B (en) | 2024-01-29 | 2024-01-29 | Surface myoelectricity auxiliary test assembly under maximum isometric independent contraction condition |
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| CN117679049B true CN117679049B (en) | 2024-04-09 |
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