CN110897832B - Rehabilitation device based on isometric contraction exercise of muscle group behind neck - Google Patents

Abstract

The invention relates to a health-care rehabilitation device, in particular to a rehabilitation device based on isometric contraction exercise of a cervical posterior muscle group, which comprises a shoulder fixing mechanism, a thrust one mechanism, an L-shaped connecting shell and a thrust two mechanism. The first thrust mechanism is slidably mounted on a groove formed in the shoulder fixing mechanism, the L-shaped connecting shell is fixedly mounted on the first thrust mechanism, and the second thrust mechanism is mounted on the L-shaped connecting shell.

Description

Rehabilitation device based on isometric contraction exercise of muscle group behind neck

Technical Field

The invention relates to a health-care rehabilitation device, in particular to a rehabilitation device based on isometric contraction exercise of a neck back muscle group.

Background

Along with the high-speed development of society, the computer has become the indispensable office equipment of people, though the computer has brought the facility for people's work, still have the drawback, that is exactly the cervical spondylopathy, at present, relatively safe, effectual cervical spondylopathy is taken exercise for "back of the neck muscle group isometric contraction", need use one's hand to take exercise when taking exercise, in order to release both hands when taking exercise, and the better effect that reaches the exercise, so design a rehabilitation device based on back of the neck muscle group isometric contraction exercise and solve above-mentioned problem.

Disclosure of Invention

The invention mainly solves the technical problem of providing a rehabilitation device based on isometric contraction exercise of a cervical posterior muscle group, the device is designed according to an exercise method of isometric contraction exercise of the cervical posterior muscle group, so that a cervical spondylosis patient can release two hands during exercise without influencing the work or daily life of the cervical spondylosis patient, and meanwhile, the device can freely adjust the pressing force to achieve the optimal effect.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a rehabilitation device based on isometric contraction exercise of muscle crowd behind neck, includes shoulder fixed establishment, a thrust mechanism, L shape connection shell and two mechanisms of thrust, a thrust mechanism slidable mounting on the recess that sets up on the shoulder fixed establishment, L shape connection shell fixed mounting is in thrust mechanism, two mechanisms of thrust are installed on L shape connection shell.

As a further optimization of the technical scheme, the shoulder fixing mechanism of the rehabilitation device for isometric contraction exercise of the muscle group behind the neck comprises an annular track, an installation plate and a fixing band, wherein the installation plate is fixedly installed on the annular track, and the fixing band is fixedly installed on the installation plate.

As a further optimization of the technical scheme, the thrust-force mechanism of the rehabilitation device based on isometric contraction exercise of the muscle group behind the neck comprises a soft backing plate I, a rotary connecting piece, a connecting shell, a pushing auxiliary rod, a U-shaped shell, a pushing main rod, a pushing plate, a positioning clamping piece, a hand-operated component, a small spring, a supporting spring and an arc-shaped slider, wherein the rotary connecting piece is fixedly installed at two ends of the soft backing plate I, the rotary connecting piece is rotatably installed on the connecting shell, the connecting shell is fixedly connected with the pushing auxiliary rod, the pushing auxiliary rod is slidably installed on a groove arranged on the U-shaped shell, the pushing auxiliary rod is fixedly connected with one end of the supporting spring, the other end of the supporting spring is fixedly connected with the pushing main rod, the pushing main rod is slidably installed on a groove arranged on the U-shaped shell, the supporting spring is movably installed in a groove arranged on the U-shaped shell, and the pushing main rod is fixedly connected with the pushing plate, the pushing plate is in threaded connection with the hand-operated assembly, the hand-operated assembly is rotatably mounted on a groove formed in the U-shaped shell, the small spring is movably mounted in the groove formed in the pushing plate, the positioning clamping piece is slidably mounted on the groove formed in the pushing plate and is fixedly connected with the small spring, the positioning clamping piece is in contact connection with the hand-operated assembly, the U-shaped shell is rotatably mounted on the groove formed in the arc-shaped sliding piece, the arc-shaped sliding piece is slidably mounted on the groove formed in the annular rail, and the U-shaped shell is fixedly connected with the L-shaped connecting shell; the hand-operated assembly comprises a gear with a handle, a short connecting threaded shaft and a main chain wheel, the gear with the handle is fixedly connected with the short connecting threaded shaft, the short connecting threaded shaft is rotatably installed on a groove formed in the U-shaped shell, the short connecting threaded shaft is fixedly connected with the main chain wheel, the short connecting threaded shaft is in threaded connection with the pushing plate, and the gear with the handle is meshed with the positioning clamping piece.

As a further optimization of the technical scheme, the rehabilitation device based on isometric contraction exercise of the muscle group behind the neck comprises a chain, an auxiliary chain wheel, a threaded column, a square limiting block, a threaded cylinder, a balance lath, a top end plate, a height-adjusting threaded shaft, a square mounting block, a soft backing plate II and a steering ball, wherein the chain is meshed with the auxiliary chain wheel, the chain is meshed with the main chain wheel, the auxiliary chain wheel is fixedly connected with the threaded column, the threaded column is rotatably mounted on a groove arranged on an L-shaped connecting shell, the threaded column is in threaded connection with the threaded cylinder, the threaded cylinder is fixedly connected with the square limiting block, the square limiting block is slidably mounted on the groove arranged on the L-shaped connecting shell, the threaded cylinder is fixedly connected with the top end plate, the top end plate is fixedly connected with the balance lath, the balance lath is slidably mounted on the groove arranged on the L-shaped connecting shell, the top end plate is in threaded connection with the height-adjusting threaded shaft, the height-adjusting threaded shaft is rotatably installed on a groove formed in the square installation block, the steering ball is rotatably installed on the groove formed in the square installation block, and the soft base plate II is fixedly connected with the steering ball.

The rehabilitation device based on isometric contraction exercise of the muscle group behind the neck has the beneficial effects that:

1. this device can carry out back neck muscle group isometric contraction exercise from the multiaspect, releases both hands, makes the people carry out back neck muscle group isometric contraction exercise under the state of normal work or life.

2. The device is through the hand subassembly of operation, operates soft backing plate one and soft backing plate two simultaneously, makes the front and back effort the same, and the isometric contraction of muscle crowd behind the simulation neck is taken exercise, reaches and takes exercise the effect best.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of a rehabilitation device for isometric contraction exercise based on a muscle group behind the neck.

Fig. 2 is a schematic perspective view of a shoulder fixing mechanism 1 of a rehabilitation device for isometric contraction exercise of a cervical posterior muscle group according to the present invention.

Fig. 3 is a schematic cross-sectional structure view of the circular track 1-1 of the rehabilitation device based on isometric contraction exercise of the muscle group behind the neck.

Fig. 4 is a schematic perspective view of a thrust-force mechanism 2 of a rehabilitation device for isometric contraction exercise of a cervical posterior muscle group according to the present invention.

Fig. 5 is a supplementary perspective view of a thrust-force mechanism 2 of a rehabilitation device for isometric contraction exercise of a cervical posterior muscle group according to the present invention.

Fig. 6 is a partial structural view of a thrust-force mechanism 2 of a rehabilitation device for isometric contraction exercise of a muscle group behind the neck.

Fig. 7 is a partial structural view of a thrust-force mechanism 2 of a rehabilitation device for isometric contraction exercise of a muscle group behind the neck.

Fig. 8 is a schematic perspective view of the hand-operated assemblies 2-9 of the rehabilitation device for isometric contraction exercise based on the muscle group behind the neck.

Fig. 9 is a schematic perspective view of the L-shaped connectingshell 3 of the rehabilitation device for isometric contraction exercise of the muscle group behind the neck.

Fig. 10 is a schematic perspective view of thesecond thrust mechanism 4 of the rehabilitation device for isometric contraction exercise of the muscle group behind the neck.

Fig. 11 is a complementary three-dimensional structural diagram of thesecond thrust mechanism 4 of the rehabilitation device for isometric contraction exercise of the muscle group behind the neck.

Fig. 12 is a schematic three-dimensional connecting structure diagram of the square mounting block 4-9, the soft cushion plate two 4-10 and the steering ball 4-11 of the rehabilitation device based on the isometric contraction exercise of the cervical posterior muscle group.

Fig. 13 is a schematic structural diagram of asecond thrust mechanism 4 of the rehabilitation device for isometric contraction exercise based on the muscle group behind the neck.

Fig. 14 is a schematic structural view of the top end plate 4-7, the height-adjusting threaded shaft 4-8 and the square mounting block 4-9 of the rehabilitation device for isometric contraction exercise based on the cervical posterior muscle group.

In the figure: a shoulder fixing mechanism 1; an annular track 1-1; mounting plates 1-2; 1-3 of a fixing belt; a first thrust mechanism 2; 2-1 parts of a soft backing plate I; rotating the connecting piece 2-2; 2-3 of a connecting shell; pushing the auxiliary rod 2-4; 2-5 parts of a U-shaped shell; pushing the main rod 2-6; 2-7 of a push plate; positioning the clamping piece 2-8; 2-9 parts of a hand cranking component; 2-9-1 of a gear with a handle; 2-9-2 of short connecting threaded shaft; main chain wheel 2-9-3; 2-10 parts of small spring; 2-11 parts of supporting springs; arc sliders 2-12; an L-shaped connectingshell 3; asecond thrust mechanism 4; 4-1 of a chain; an auxiliary chain wheel 4-2; 4-3 of a threaded column; 4-4 of a square limiting block; 4-5 of a threaded cylinder; 4-6 of balance lath; top end plates 4-7; heightening the threaded shaft by 4-8; 4-9 of a square mounting block; 4-10 parts of a soft backing plate II; and 4-11 of steering balls.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the embodiment will be described with reference to fig. 1 to 14, and a rehabilitation device based on isometric contraction exercise of a muscle group behind the neck comprises a shoulder fixing mechanism 1, a first thrust mechanism 2, an L-shaped connectingshell 3 and asecond thrust mechanism 4, wherein the first thrust mechanism 2 is slidably mounted on a groove arranged on the shoulder fixing mechanism 1, the L-shaped connectingshell 3 is fixedly mounted on the first thrust mechanism 2, and thesecond thrust mechanism 4 is mounted on the L-shaped connectingshell 3.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 14, and the embodiment further describes the first embodiment, where the shoulder fixing mechanism 1 includes an annular rail 1-1, a mounting plate 1-2, and a fixing band 1-3, the mounting plate 1-2 is fixedly mounted on the annular rail 1-1, the fixing band 1-3 is fixedly mounted on the mounting plate 1-2, the mounting plate 1-2 is placed on the shoulder of a person, the fixing bands 1-3 on both sides are passed through the armpits of the person, and the fixing bands 1-3 are fastened, so as to fix the device on the human body, and the fixing bands 1-3 can better adapt to the body types of different persons to fix, thereby achieving the purpose of fixing and stabilizing.

The third concrete implementation mode:

the second embodiment is further described with reference to fig. 1-14, wherein the first thrust mechanism 2 includes a first soft pad 2-1, a rotary connecting member 2-2, a connecting shell 2-3, a secondary pushing rod 2-4, a U-shaped shell 2-5, a primary pushing rod 2-6, a pushing plate 2-7, a positioning fastener 2-8, a hand-operated component 2-9, a small spring 2-10, a supporting spring 2-11, and an arc-shaped slider 2-12, the rotary connecting member 2-2 is fixedly installed at two ends of the first soft pad 2-1, the rotary connecting member 2-2 is rotatably installed on the connecting shell 2-3, the connecting shell 2-3 is fixedly connected with the secondary pushing rod 2-4, the secondary pushing rod 2-4 is slidably installed on a groove provided on the U-shaped shell 2-5, a pushing auxiliary rod 2-4 is fixedly connected with one end of a supporting spring 2-11, the other end of the supporting spring 2-11 is fixedly connected with a pushing main rod 2-6, the pushing main rod 2-6 is slidably mounted on a groove arranged on a U-shaped shell 2-5, the supporting spring 2-11 is movably mounted in the groove arranged on the U-shaped shell 2-5, the pushing main rod 2-6 is fixedly connected with a pushing plate 2-7, the pushing plate 2-7 is in threaded connection with a hand-operated assembly 2-9, the hand-operated assembly 2-9 is rotatably mounted on the groove arranged on the U-shaped shell 2-5, a small spring 2-10 is movably mounted in the groove arranged on the pushing plate 2-7, a positioning clamping piece 2-8 is slidably mounted on the groove arranged on the pushing plate 2-7, and the positioning clamping piece 2-8 is fixedly connected with the small spring 2-10, the positioning clamping piece 2-8 is in contact connection with the hand-operated assembly 2-9, the U-shaped shell 2-5 is rotatably installed on a groove arranged on the arc-shaped sliding piece 2-12, the arc-shaped sliding piece 2-12 is slidably installed on a groove arranged on the annular track 1-1, and the U-shaped shell 2-5 is fixedly connected with the L-shaped connectingshell 3; the hand-operated assembly 2-9 comprises a gear 2-9-1 with a handle, a short connecting threaded shaft 2-9-2 and a main chain wheel 2-9-3, the gear 2-9-1 with the handle is fixedly connected with the short connecting threaded shaft 2-9-2, the short connecting threaded shaft 2-9-2 is rotatably arranged on a groove arranged on the U-shaped shell 2-5, the short connecting threaded shaft 2-9-2 is fixedly connected with the main chain wheel 2-9-3, the short connecting threaded shaft 2-9-2 is in threaded connection with a pushing plate 2-7, the gear 2-9-1 with the handle is meshed with a positioning fastener 2-8 to push the positioning fastener 2-8, the positioning fastener 2-8 extrudes a small spring 2-10 to be contracted into the groove of the pushing plate 2-7, the gear 2-9-1 with the handle is rotated, the gear 2-9-1 with the handle drives the short connecting threaded shaft 2-9-2 and the main chain wheel 2-9-3 to synchronously rotate, when the short connecting threaded shaft 2-9-2 rotates, the push plate 2-7 moves towards the U-shaped shell 2-5 to push the main rod 2-6 to move, the main rod 2-6 pushes the auxiliary rod 2-4 by extruding the supporting spring 2-11, so that the soft cushion plate I2-1 is pushed, the soft cushion plate I2-1 pushes the hindbrain forwards, the rotating connecting piece 2-2 can rotate in the connecting shell 2-3, the angle of the soft cushion plate I2-1 can be adjusted, the shape of the hindbrain can be better fitted, and the hindbrain is uniformly stressed.

The fourth concrete implementation mode:

thesecond thrust mechanism 4 comprises a chain 4-1, an auxiliary chain wheel 4-2, a threaded column 4-3, a square limiting block 4-4, a threaded cylinder 4-5, a balance plate bar 4-6, a top end plate 4-7, a height-adjusting threaded shaft 4-8, a square mounting block 4-9, a soft backing plate two 4-10 and a steering ball 4-11, wherein the chain 4-1 is meshed with the auxiliary chain wheel 4-2, the chain 4-1 is meshed with a main chain wheel 2-9-3, the auxiliary chain wheel 4-2 is fixedly connected with the threaded column 4-3, the threaded column 4-3 is rotatably arranged on a groove arranged on an L-shaped connectingshell 3, the threaded column 4-3 is in threaded connection with the threaded cylinder 4-5, the threaded cylinder 4-5 is fixedly connected with a square limiting block 4-4, the square limiting block 4-4 is slidably mounted on a groove arranged on the L-shaped connectingshell 3, the threaded cylinder 4-5 is fixedly connected with a top end plate 4-7, the top end plate 4-7 is fixedly connected with a balance lath 4-6, the balance lath 4-6 is slidably mounted on a groove arranged on the L-shaped connectingshell 3, the top end plate 4-7 is in threaded connection with a height-adjusting threaded shaft 4-8, the height-adjusting threaded shaft 4-8 is rotatably mounted on a groove arranged on the square mounting block 4-9, a steering ball 4-11 is rotatably mounted on a groove arranged on the square mounting block 4-9, and a soft backing plate 4-10 is fixedly connected with the steering ball 4-11, the main chain wheel 2-9-3 enables the auxiliary chain wheel 4-2 to drive the threaded column 4-3 to rotate through the chain 4-1, the threaded column 4-3 rotates to enable the threaded cylinder 4-5 to move along the threaded column 4-3, so that the top end plate 4-7 is driven to move, the square limiting block 4-4 and the balance lath 4-6 both achieve the purposes of assisting the smooth movement and the movement track of the threaded cylinder 4-5, the top end plate 4-7 moves close to the forehead of a person, the soft base plate two 4-10 is driven to be in contact with the forehead of the person and generates thrust to the forehead, the isometric contraction exercise of the retrocervical muscle group is completed through the matching of the soft base plate two 4-10 and the soft base plate one 2-1, the steering ball 4-11 can adjust the angle of the soft base plate two 4-10, so that the soft base plate two 4-10 can better fit the forehead of the person, after the force is adjusted, the positioning clamping pieces 2-8 are inserted into the tooth grooves to play a positioning role.

The invention relates to a rehabilitation device based on isometric contraction exercise of a cervical posterior muscle group, which has the working principle that:

the mounting plate 1-2 is placed on the shoulders of a person, the fixing belts 1-3 on two sides penetrate through the armpits of the person, and the fixing belts 1-3 are tied, so that the device is fixed on the human body, and the fixing belts 1-3 can be better suitable for the body types of different persons to be fixed, and the purpose of fixing stability is achieved.

At the moment, the soft cushion plate I2-1 is positioned at the hindbrain, the soft cushion plate II 4-10 is positioned at the front end of the forehead, the positioning clamping piece 2-8 is pushed, the positioning clamping piece 2-8 extrudes the small spring 2-10 to shrink into the groove of the pushing plate 2-7, the gear with the handle 2-9-1 is rotated, the gear with the handle 2-9-1 drives the short connecting threaded shaft 2-9-2 and the main chain wheel 2-9-3 to synchronously rotate, when the short connecting threaded shaft 2-9-2 rotates, the pushing plate 2-7 moves towards the U-shaped shell 2-5, the pushing main rod 2-6 is pushed to move, the pushing main rod 2-6 pushes the pushing auxiliary rod 2-4 by extruding the supporting spring 2-11, the soft cushion plate I2-1 is pushed, and the soft cushion plate I2-1 pushes the hindbrain forwards, the rotating connecting piece 2-2 can rotate in the connecting shell 2-3, so that the angle of the soft base plate 2-1 can be adjusted, the shape of the hindbrain can be better fitted, and the hindbrain is uniformly stressed.

Meanwhile, the main chain wheel 2-9-3 enables the auxiliary chain wheel 4-2 to drive the threaded column 4-3 to rotate through the chain 4-1, the threaded column 4-3 rotates to enable the threaded barrel 4-5 to move along the threaded column 4-3, so that the top end plate 4-7 is driven to move, the square limiting block 4-4 and the balance plate strip 4-6 both achieve the purposes of assisting the smooth movement and the movement track of the threaded barrel 4-5, the top end plate 4-7 moves close to the forehead of a person, the soft cushion plate two 4-10 is driven to be in contact with the forehead of the person and generates thrust to the forehead, the isometric contraction exercise of the muscle group behind the neck is completed through the matching of the soft cushion plate two 4-10 and the soft cushion plate one 2-1, the steering ball 4-11 can adjust the angle of the soft cushion plate two 4-10, so that the soft cushion plate two 4-10 can better fit the forehead of the person, after the force is adjusted, the positioning clamping pieces 2-8 are inserted into the tooth grooves to play a positioning role.

By moving the arc-shaped sliding piece 2-12 on the annular track 1-1 and changing the positions of the first thrust mechanism 2, the L-shaped connectingshell 3 and thesecond thrust mechanism 4, the isometric contraction exercise of the cervical posterior muscle group on the left side and the right side is completed, and the U-shaped shell 2-5 can rotate on the arc-shaped sliding piece 2-12, so that the action direction of the device is more conveniently adjusted.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (2)

1. The utility model provides a rehabilitation device based on isometric contraction of muscle crowd behind neck is taken exercise, includes shoulder fixed establishment (1), a thrust mechanism (2), L shape connecting shell (3) and two mechanisms of thrust (4), its characterized in that: the first thrust mechanism (2) is slidably mounted on a groove arranged on the shoulder fixing mechanism (1), the L-shaped connecting shell (3) is fixedly mounted on the first thrust mechanism (2), and the second thrust mechanism (4) is mounted on the L-shaped connecting shell (3);

the first thrust mechanism (2) comprises a soft backing plate I (2-1), a rotary connecting piece (2-2), a connecting shell (2-3), a push auxiliary rod (2-4), a U-shaped shell (2-5), a push main rod (2-6), a push plate (2-7), a positioning clamping piece (2-8), a hand-operated component (2-9), a small spring (2-10), a supporting spring (2-11) and an arc-shaped sliding piece (2-12), wherein the rotary connecting piece (2-2) is fixedly installed at two ends of the soft backing plate I (2-1), the rotary connecting piece (2-2) is rotatably installed on the connecting shell (2-3), the connecting shell (2-3) is fixedly connected with the push auxiliary rod (2-4), the push auxiliary rod (2-4) is slidably installed on a groove arranged on the U-shaped shell (2-5), a push auxiliary rod (2-4) is fixedly connected with one end of a support spring (2-11), the other end of the support spring (2-11) is fixedly connected with a push main rod (2-6), the push main rod (2-6) is slidably mounted on a groove arranged on a U-shaped shell (2-5), the support spring (2-11) is movably mounted in the groove arranged on the U-shaped shell (2-5), the push main rod (2-6) is fixedly connected with a push plate (2-7), the push plate (2-7) is in threaded connection with a hand-operated component (2-9), the hand-operated component (2-9) is rotatably mounted on the groove arranged on the U-shaped shell (2-5), a small spring (2-10) is movably mounted in the groove arranged on the push plate (2-7), a positioning fastener (2-8) is slidably mounted on the groove arranged on the push plate (2-7), the positioning clamping piece (2-8) is fixedly connected with the small spring (2-10), the positioning clamping piece (2-8) is in contact connection with the hand-operated assembly (2-9), the U-shaped shell (2-5) is rotatably installed on a groove arranged on the arc-shaped sliding piece (2-12), the arc-shaped sliding piece (2-12) is slidably installed on a groove arranged on the annular track (1-1), and the U-shaped shell (2-5) is fixedly connected with the L-shaped connecting shell (3); the hand-operated component (2-9) comprises a gear with a handle (2-9-1), a short connecting threaded shaft (2-9-2) and a main chain wheel (2-9-3), the gear with the handle (2-9-1) is fixedly connected with the short connecting threaded shaft (2-9-2), the short connecting threaded shaft (2-9-2) is rotatably arranged on a groove arranged on the U-shaped shell (2-5), the short connecting threaded shaft (2-9-2) is fixedly connected with the main chain wheel (2-9-3), the short connecting threaded shaft (2-9-2) is in threaded connection with a pushing plate (2-7), and the gear with the handle (2-9-1) is meshed with a positioning clamping piece (2-8);

the second thrust mechanism (4) comprises a chain (4-1), an auxiliary chain wheel (4-2), a threaded column (4-3), a square limiting block (4-4), a threaded cylinder (4-5), a balance lath (4-6), a top end plate (4-7), a height-adjusting threaded shaft (4-8), a square mounting block (4-9), a soft backing plate (4-10) and a steering ball (4-11), wherein the chain (4-1) is meshed with the auxiliary chain wheel (4-2), the chain (4-1) is meshed with a main chain wheel (2-9-3), the auxiliary chain wheel (4-2) is fixedly connected with the threaded column (4-3), the threaded column (4-3) is rotatably mounted on a groove arranged on the L-shaped connecting shell (3), and the threaded column (4-3) is in threaded connection with the threaded cylinder (4-5), the threaded cylinder (4-5) is fixedly connected with a square limiting block (4-4), the square limiting block (4-4) is slidably mounted on a groove arranged on the L-shaped connecting shell (3), the threaded cylinder (4-5) is fixedly connected with a top end plate (4-7), the top end plate (4-7) is fixedly connected with a balance lath (4-6), the balance lath (4-6) is slidably mounted on a groove arranged on the L-shaped connecting shell (3), the top end plate (4-7) is in threaded connection with a height-adjusting threaded shaft (4-8), the height-adjusting threaded shaft (4-8) is rotatably mounted on a groove arranged on the square mounting block (4-9), a steering ball (4-11) is rotatably mounted on a groove arranged on the square mounting block (4-9), the soft cushion plate II (4-10) is fixedly connected with the steering ball (4-11).

2. The rehabilitation device for isometric contraction exercise based on the muscle group behind the neck as claimed in claim 1, wherein: the shoulder fixing mechanism (1) comprises an annular track (1-1), a mounting plate (1-2) and a fixing belt (1-3), wherein the mounting plate (1-2) is fixedly mounted on the annular track (1-1), and the fixing belt (1-3) is fixedly mounted on the mounting plate (1-2).

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