CN112675492A - Ligament tractive device for track and field training - Google Patents
Ligament tractive device for track and field training Download PDFInfo
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- CN112675492A CN112675492A CN202011607288.0A CN202011607288A CN112675492A CN 112675492 A CN112675492 A CN 112675492A CN 202011607288 A CN202011607288 A CN 202011607288A CN 112675492 A CN112675492 A CN 112675492A
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Abstract
The invention discloses a ligament traction device for track and field training, which comprises an adjusting plate, a foot hooping assembly, a support assembly, a base and a clamping assembly, wherein the adjusting plate is vertically and symmetrically arranged on the base, a transverse sliding groove is formed in the adjusting plate, the foot hooping assembly is slidably arranged in the sliding groove, the left end of the foot hooping assembly is fixedly connected with the left end of the sliding groove through a spring I, the support assembly is arranged on the right side of the adjusting plate, the support assembly is fixedly arranged on the upper end face of the base, and the right end of the adjusting plate is rotatably connected with the support assembly through a hinge; the left end of the lower end face of the adjusting plate is rotatably connected with the telescopic end of the electric telescopic rod, the other end of the electric telescopic rod is rotatably arranged on the base, and the minimum inclined included angle of the electric telescopic rod and the horizontal direction is 17 degrees; the lower ends of the clamping components are clamped on two sides of the adjusting plate respectively and used for connecting and stabilizing the two adjusting plates.
Description
Technical Field
The invention belongs to the technical field of training devices, and particularly relates to a ligament traction device for track and field training.
Background
Track and field need carry out the tractive training to the shank ligament when training, because the particularity in training place, the sportsman often need be with the help of appurtenance when training anterior ligament and stretching to make sportsman's ligament can fully be tractive, nevertheless according to the survey discovery, present track and field training often has following problem with ligament tractive device:
1. the traditional ligament traction device can only assist athletes to finish one ligament stretching action, and the ligaments of the athletes cannot be fully drawn through various ligament traction actions;
2. the floor is absolutely flat when the floor is used due to the fact that no independent supporting device is arranged, the absolutely flat area is not smaller than the surface area of the lower end face of the bottom plate of the whole floor, the floor is inconvenient to use, the floor cannot be used on wet floors, and the limitation is large;
3. through manual adjusting device and then supplementary sportsman's completion ligament tractive action, not only inefficiency can have through gear chain transmission moreover and pause and frustrate the sense, and the noise is great.
Accordingly, those skilled in the art have provided a ligament traction device for track and field training to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a ligament traction device for track and field training comprises an adjusting plate, a foot hooping assembly, a support assembly, a base and a clamping assembly, wherein the adjusting plate is vertically symmetrically installed on the base, a transverse sliding groove is formed in the adjusting plate, the foot hooping assembly is slidably arranged in the sliding groove, the left end of the foot hooping assembly is fixedly connected with the left end of the sliding groove through a first spring, the support assembly is arranged on the right side of the adjusting plate, the support assembly is fixedly installed on the upper end face of the base, and the right end of the adjusting plate is rotatably connected with the support assembly through a hinge so as to realize upward torsion of a single adjusting plate;
the left end of the lower end face of the adjusting plate is rotatably connected with the telescopic end of the electric telescopic rod, the other end of the electric telescopic rod is rotatably arranged on the base, and the minimum inclined included angle of the electric telescopic rod and the horizontal direction is 17 degrees and is used for controlling the torsion of the adjusting plate corresponding to the electric telescopic rod;
the lower ends of the clamping components are clamped on two sides of the adjusting plate respectively and used for connecting and stabilizing the two adjusting plates.
Preferably, the lower end face of the base is fixedly provided with a stable supporting leg, a battery pack is embedded in the base and used for providing electric energy for the electric telescopic rod, and the upper end face of the base is rotatably provided with a plurality of adjusting rods;
the telescopic end of the adjusting rod is rotatably connected with the lower end face of the adjusting plate, so that the adjusting plate is supported and stabilized.
Further, as preferred, it is provided with four altogether to stabilize the landing leg, four it is corresponding with four sides of base respectively to stabilize the landing leg, wherein, every the lower extreme of stabilizing the landing leg all sets up to being close to its one side slope that corresponds the base side, just, every it is 35 with the contained angle that vertical direction is to stabilize the landing leg.
Further, as preferred, two a plurality of spacing holes have evenly been seted up on the side of base horizontal symmetry axis is kept away from respectively to the regulating plate.
Further, preferably, a plurality of convex teeth are distributed on the circumference of the inner surface of the limiting hole.
Preferably, the clamping component comprises support tubes, an anti-slip sleeve, a threaded casing and a clamping column, wherein the two support tubes are symmetrically arranged in the clamping component left and right, the anti-slip sleeve is sleeved on the upper transverse part of each of the two support tubes, and the lower end heads of the two support tubes are fixedly arranged on the clamping column;
the upper end of the supporting tube on the right side is provided with a threaded casing in a sliding manner so as to be meshed and screwed with the external thread on the upper end of the supporting tube on the left side;
the maximum outer diameter of the clamping column is slightly smaller than the aperture of the limiting hole, and a plurality of limiting grooves are uniformly formed in the outer surface of the clamping column so as to completely extend into the limiting hole to complete limiting.
Preferably, the foot hooping assembly comprises a foot sleeving sliding block, a second spring, a bearing bracket and a foot restraining rope, the bottom end of the foot sleeving sliding block is arranged on the supporting bracket in a sliding mode through the second spring, and the foot restraining rope is fixed to the upper portion of the right end face of the foot sleeving sliding block;
the middle part of the right upper corner of the supporting bracket is provided with an accommodating groove;
the cross section of the foot-sleeving sliding block is
And (4) a shape structure.
Further, as preferred, restraint foot rope and include that elasticity rope and elasticity hold in the palm the pad, the upper and lower both ends that the elasticity held in the palm the pad all pass through elasticity rope and cover foot slider looks elastic connection, just, the cross section that the elasticity held in the palm the pad is the arc structure.
Further, preferably, the supporting component comprises a protection handle, a back plate and a supporting bearing platform, the back plate is fixed at the right end of the supporting bearing platform, and the front side and the rear side of the supporting bearing platform are symmetrically provided with two protection handles;
elastic cotton is paved on the left end face of the back plate and the upper end face of the supporting bearing platform, and the upper end face of the supporting platform is flush with the upper end face of the adjusting plate;
the back plate is perpendicular to the supporting bearing platform.
Further, as an optimization, the middle part of the upper end of the protective handle is also sleeved with an anti-slip sleeve which is the same as that in the clamping assembly.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can assist the athlete to finish the action of stretching the ligament in a sitting mode through the foot hooping assembly arranged on the adjusting plate in a sliding mode, and the two adjusting plates can rotate upwards slowly at a constant speed independently or simultaneously through the mutual matching of the electric telescopic rod and the adjusting rods, so that the athlete can finish various ligament stretching actions by assisting the athlete to finish the action of lifting legs and stretching, and the ligament of the athlete can be stretched fully;
2. the lower end of the base is provided with the stable supporting legs, each stable supporting leg is inclined at an included angle of 35 degrees with the vertical direction, the whole device can be supported and stabilized well, meanwhile, the contact area of the device and the ground can be greatly reduced, and only the flatness of the contact point of the stable supporting legs and the ground needs to be ensured, so that the use is more convenient, and the stable supporting legs enable a certain height to be reserved between the base and the ground, so that the device can be used on the moist ground, and the adaptability of the device is improved;
3. the embedded battery group in the base, supply power to electric telescopic handle through the battery group, carry out ligament tractive in-process at the sportsman, the turned angle through electric telescopic handle automatically regulated regulating plate assists the sportsman to accomplish corresponding ligament tractive action, efficient, the transmission is steady, the noise is little.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a top view of the foot-hoop assembly of the present invention;
FIG. 4 is a cross-sectional view of the foot-hooping assembly of the present invention;
figure 5 is a schematic view of the structure of the clamping assembly of the present invention;
FIG. 6 is a schematic view of a spacing hole according to the present invention;
in the figure: 1. an adjusting plate; 11. a first spring; 12. a limiting hole; 121. a convex tooth; 2. a cuff-foot assembly; 21. a foot sleeving sliding block; 22. a second spring; 23. a bearing bracket; 231. a containing groove; 24. a foot binding rope; 241. an elastic cord; 242. an elastic support pad; 3. a support assembly; 31. a protective handle; 32. a back plate; 33. supporting a bearing platform; 4. a base; 41. stabilizing the support legs; 42. a battery pack; 43. an electric telescopic rod; 44. adjusting a rod; 5. a clamping assembly; 51. supporting a tube; 52. an anti-slip sleeve; 53. a threaded casing; 54. clamping the column; 6. and (7) a hinge.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a ligament traction device for track and field training includes an adjusting plate 1, a foot-hooping assembly 2, a support assembly 3, a base 4, and a clamping assembly 5, wherein the adjusting plate 1 is symmetrically installed on the base 4 up and down, a transverse chute is formed on the adjusting plate 1, the foot-hooping assembly 2 is slidably disposed in the chute, a left end of the foot-hooping assembly is fixedly connected to a left end of the chute through a first spring, the support assembly 3 is disposed on a right side of the adjusting plate 1, the support assembly 3 is fixedly installed on an upper end surface of the base 4, and a right end of the adjusting plate 1 is rotatably connected to the support assembly 3 through a hinge 6, so as to achieve upward twisting of a single adjusting plate 1;
the left end of the lower end face of the adjusting plate 1 is rotatably connected with the telescopic end of the electric telescopic rod 43, the other end of the electric telescopic rod 43 is rotatably arranged on the base 4, the minimum inclined included angle of the electric telescopic rod 43 with the horizontal direction is 17 degrees, the electric telescopic rod is used for controlling the torsion of the adjusting plate 1, the distance between the dispensing plate 1 and the base 4 is reduced, and meanwhile, in order to ensure that the electric telescopic rod 43 has upward component force when extending out, the adjusting plate 1 is stably jacked up, and the stability is improved;
clamping subassembly 5's lower extreme block respectively in the both sides of regulating plate 1 for connect two regulating plate 1 of stabilizing, clamping subassembly 5 is used for carrying out spacing fixed to two regulating plate 1 when the sportsman carries out the tensile action of sitting posture ligament on the one hand, prevents to rock at tensile in-process production, and on the other hand provides a pulling force strong point for the sportsman to make the sportsman accomplish the action of pushing down that the antethorax is close to the shank better.
Referring to fig. 2, in this embodiment, a stabilizing leg 41 is fixedly installed on the lower end surface of the base 4, a battery pack 42 is further embedded in the base 4 and is used for providing electric energy for an electric telescopic rod 43, the battery pack 42 is provided with a charging port corresponding to the side edge of the base 4 and is used for charging the battery pack 42, so that the device can be recycled for multiple times, and the operation is more convenient, a plurality of adjusting rods 44 are rotatably installed on the upper end surface of the base 4, the adjusting rods 44 provide supporting force for the adjusting plate 1 when the adjusting plate 1 is in a horizontal state, and meanwhile, the rotatably installed adjusting rods 44 are used for adapting to the angle at which the adjusting plate 1 is not rotated under the driving of the electric telescopic rod 43, so that the adjusting plate 1 in an inclined state still has higher stability;
the telescopic ends of the adjusting rods 44 are rotatably connected with the lower end surface of the adjusting plate 1, so as to support and stabilize the adjusting plate 1.
In a preferred embodiment, the number of the stabilizing legs 41 is four, four of the stabilizing legs 41 correspond to four sides of the base 1, wherein the lower end of each stabilizing leg 41 is obliquely arranged towards one side close to the side edge of the corresponding base 4, moreover, the included angle between each stable supporting leg 41 and the vertical direction is 35 degrees, the stable supporting legs 41 arranged in an inclined way enable a certain height to be reserved between the ground and the base 4, therefore, the device can be used on wet ground, the adaptability is improved, and the area of the device in direct contact with the ground is greatly reduced by the stable supporting legs 41, when using, only need guarantee in the horizontal area stabilize landing leg 41 and ground contact point planarization can, reduced the working strength of the large tracts of land clearance before traditional ligament tractive device uses to it is more convenient to make this device use.
In this embodiment, two the side of regulating plate 1 keeping away from the horizontal symmetry axis of base 4 respectively has evenly seted up a plurality of spacing holes 12.
Referring to fig. 6, in the present embodiment, a plurality of convex teeth 121 are circumferentially distributed on an inner surface of the limiting hole 12.
Referring to fig. 5, in the present embodiment, the clamping assembly 5 includes two support tubes 51, an anti-slip sleeve 52, a threaded casing 53 and a clamping column 54, wherein the two support tubes 51 are symmetrically arranged in the clamping assembly 5, the anti-slip sleeve 52 is sleeved on the upper transverse portions of the two support tubes 51, and the lower ends of the two support tubes are fixedly arranged on the clamping column 54;
the upper end of the supporting tube 51 on the right side is provided with a threaded sleeve 53 in a sliding manner so as to be meshed and screwed with the external thread on the upper end of the supporting tube 51 on the left side, wherein the supporting tube 51 can be assembled and disassembled through the mutual meshing between the threaded sleeve 53 and the external thread, the storage is convenient, and the assembly is simple and convenient;
the biggest external diameter of card post 54 slightly is less than the aperture of spacing hole 12, just, evenly seted up a plurality of spacing grooves on the surface of card post 54 to accomplish spacingly in stretching into spacing hole 12 completely, the external diameter of card post 54 slightly is less than the aperture of spacing hole 12 and is more smooth and easy in order to guarantee the flexible between card post 54 and the spacing hole 12, and a plurality of spacing grooves are arranged in holding a plurality of dogtooths 121 in the spacing hole 12 simultaneously to play limiting displacement to it, prevent to produce relative rotation between clamping subassembly 5 and the regulating plate 1, and then guarantee better that the sportsman accomplishes the ligament tractive action.
Referring to fig. 4, as a preferred embodiment, the foot-hooping assembly 2 includes a foot-sleeving sliding block 21, a second spring 22, a receiving bracket 23 and a foot-restraining rope 24, wherein the bottom end of the foot-sleeving sliding block 21 is slidably disposed on the supporting bracket 23 through the second spring 22, and the foot-restraining rope 24 is fixed on the upper portion of the right end face of the foot-sleeving sliding block 21;
the middle part of the right upper corner of the supporting bracket 23 is provided with an accommodating groove 231, and the accommodating groove 231 is used for accommodating the sole of a player and is attached to the middle part of the sole of the player, so that the comfort of the sole of the player in the ligament traction process is ensured;
the cross section of the foot-covering sliding block 21 is
The shape structure is used for leaving enough accommodating space for the foot sole of the player.
Referring to fig. 3, in this embodiment, the foot restraining rope 24 includes an elastic rope 241 and an elastic support pad 242, the upper end and the lower end of the elastic support pad 242 are elastically connected to the foot covering slider 21 through the elastic rope 241, the cross section of the elastic support pad 242 is an arc-shaped structure, the elastic support pad 242 directly contacts with the front instep of the athlete, the contact area is increased, and the arc-shaped structure better fits the instep of the athlete, so as to improve comfort.
In this embodiment, the support assembly 3 includes a protection handle 31, a back plate 32 and a support platform 33, the back plate 32 is fixed at the right end of the support platform 33, two protection handles 32 are symmetrically installed at the front and rear sides of the support platform 33, the protection handles 32 are used for providing a support point for an athlete during a leg raising and stretching action, and preventing the instability due to gravity center offset during one-side leg raising and stretching, so that the athlete is more stable during a ligament stretching process;
elastic cotton is paved on the left end surface of the back plate 32 and the upper end surface of the supporting bearing platform 33, and the upper end surface of the supporting platform 33 is flush with the upper end surface of the adjusting plate 1;
the back plate 32 and the support platform 33 are perpendicular to each other.
In this embodiment, the middle of the upper end of the protective handle 31 is also sleeved with the same anti-slip sleeve 52 as that of the clamping assembly 5, so as to increase the friction force between the protective handle and the palm of the athlete, thereby providing an effective supporting point for the athlete.
Specifically, the device is firstly placed on a flat ground, a player sits on a supporting bearing platform of a supporting component, toes of two feet extend into an annular space formed by a foot binding rope and a foot sleeving sliding block, the two legs are kept in a stretched state by a remote operator, then a clamping component is fixed in corresponding limiting holes according to the requirements of the player, the clamping component needs to be separated before the clamping component is installed, the two parts are sequentially inserted into the corresponding limiting holes respectively, two supporting pipes of the clamping component are connected through a threaded casing, the height of the clamping component after the installation is slightly higher than that of the legs of the player, the player can assist in pressing down the chest close to the legs by the aid of the clamping component, stretching is carried out for different durations of the motions according to personal physique, the clamping component needs to be detached after the stretching motions are finished, and the player respectively holds protective handles by two hands, simultaneously, make the regulating plate at the uniform velocity slow rotation through control electric telescopic handle, carrying out the tensile action in-process of lifting the leg, go on according to the order of earlier single leg two legs again, equally, turned angle and duration are decided according to sportsman's individual physique, make sportsman's ligament can abundant tensile through the tractive action of difference, efficient and use more convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a ligament tractive device for track and field training, its includes regulating plate (1), hoop foot subassembly (2), support group (3), base (4) and clamping subassembly (5), wherein, regulating plate (1) longitudinal symmetry installs on base (4), just, horizontal spout has been seted up on regulating plate (1), hoop foot subassembly (2) slide and set up in the spout, just, the left end fixed connection of one and the spout of spring is passed through to its left end, the right side of regulating plate (1) is located in supporting component (3), just, supporting component (3) fixed mounting is at the up end of base (4), its characterized in that: the right end of the adjusting plate (1) is rotatably connected with the supporting component (3) through a hinge (6), so that the adjusting plate (1) can be independently or simultaneously twisted upwards;
the left end of the lower end face of the adjusting plate (1) is rotatably connected with the telescopic end of the electric telescopic rod (43), the other end of the electric telescopic rod (43) is rotatably arranged on the base (4), and the minimum inclined included angle between the electric telescopic rod (43) and the horizontal direction is 17 degrees for controlling the rotation of the adjusting plate (1) corresponding to the electric telescopic rod;
the lower ends of the clamping components (5) are respectively clamped on two sides of the adjusting plate (1) and used for connecting and stabilizing the two adjusting plates (1).
2. The ligament pulling device for track and field training of claim 1, wherein: the lower end face of the base (4) is fixedly provided with a stable supporting leg (41), a battery pack (42) is embedded in the base (4) and used for providing electric energy for an electric telescopic rod (43), and a plurality of adjusting rods (44) are rotatably arranged on the upper end face of the base (4);
the telescopic ends of the adjusting rods (44) are rotatably connected with the lower end face of the adjusting plate (1) so as to support the adjusting plate (1) stably.
3. The ligament pulling device for track and field training of claim 2, wherein: stabilize landing leg (41) and be provided with four altogether, four it is corresponding with four sides of base (1) respectively to stabilize landing leg (41), wherein, every the lower extreme of stabilizing landing leg (41) all sets up to being close to its one side slope that corresponds base (4) side, just, every it is 35 with the contained angle that vertical direction is to stabilize landing leg (41).
4. The ligament pulling device for track and field training of claim 1, wherein: two a plurality of spacing holes (12) have evenly been seted up on the side of base (4) horizontal symmetry axis is kept away from respectively in regulating plate (1).
5. The ligament pulling device for track and field training of claim 4, wherein: a plurality of convex teeth (121) are distributed on the inner surface of the limiting hole (12) in the circumferential direction.
6. The ligament pulling device for track and field training of claim 1, wherein: the clamping component (5) comprises support pipes (51), anti-skidding sleeves (52), threaded sleeves (53) and clamping columns (54), wherein the two support pipes (51) are arranged in the clamping component (5) in a bilateral symmetry manner, the anti-skidding sleeves (52) are sleeved on the upper transverse parts of the two support pipes (51), and the lower end heads of the two support pipes are fixedly arranged on the clamping columns (54);
the upper end of the support tube (51) at the right side is provided with a threaded casing (53) in a sliding way so as to be tightly meshed with the external thread at the upper end of the support tube (51) at the left side;
the maximum outer diameter of the clamping column (54) is slightly smaller than the aperture of the limiting hole (12), and a plurality of limiting grooves are uniformly formed in the outer surface of the clamping column (54) so as to completely extend into the limiting hole (12) to complete limiting.
7. The ligament pulling device for track and field training of claim 1, wherein: the foot hooping assembly (2) comprises a foot sleeving sliding block (21), a second spring (22), a bearing bracket (23) and a foot restraining rope (24), the bottom end of the foot sleeving sliding block (21) is arranged on the supporting bracket (23) in a sliding mode through the second spring (22), and the foot restraining rope (24) is fixed to the upper portion of the right end face of the foot sleeving sliding block (21);
the middle part of the right upper corner of the supporting bracket (23) is provided with an accommodating groove (231);
the cross section of the foot-covering sliding block (21) is
And (4) a shape structure.
8. The ligament pulling device for track and field training of claim 7, wherein: the foot restraining rope (24) comprises an elastic rope (241) and an elastic supporting pad (242), the upper end and the lower end of the elastic supporting pad (242) are elastically connected with the foot sleeving sliding block (21) through the elastic rope (241), and the cross section of the elastic supporting pad (242) is of an arc-shaped structure.
9. The ligament pulling device for track and field training of claim 1, wherein: the supporting component (3) comprises a protective handle (31), a back plate (32) and a supporting bearing platform (33), the back plate (32) is fixed at the right end of the supporting bearing platform (33), and two protective handles (32) are symmetrically arranged on the front side and the rear side of the supporting bearing platform (33);
elastic cotton is paved on the left end face of the back plate (32) and the upper end face of the supporting bearing platform (33), and the upper end face of the supporting bearing platform (33) is flush with the upper end face of the adjusting plate (1);
the back plate (32) is perpendicular to the supporting bearing platform (33).
10. The ligament pulling device for track and field training of claim 9, wherein: the middle part of the upper end of the protective handle (31) is also sleeved with an anti-slip sleeve (52) which is the same as that in the clamping component (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607288.0A CN112675492A (en) | 2020-12-30 | 2020-12-30 | Ligament tractive device for track and field training |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607288.0A CN112675492A (en) | 2020-12-30 | 2020-12-30 | Ligament tractive device for track and field training |
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| CN112675492A true CN112675492A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011607288.0A Pending CN112675492A (en) | 2020-12-30 | 2020-12-30 | Ligament tractive device for track and field training |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534181A (en) * | 2021-12-23 | 2022-05-27 | 华东师范大学 | Sports lacing wire ware |
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| US20140031175A1 (en) * | 2012-07-26 | 2014-01-30 | Charles A. Peralo | Therapeutic exercise apparatus with multiple selectively interlockable sliding platforms |
| CN104622664A (en) * | 2015-01-22 | 2015-05-20 | 杨伦 | Ligament stretcher |
| US20160354627A1 (en) * | 2015-06-02 | 2016-12-08 | Gymbot, Llc | Contralateral hip and hamstring training device |
| CN208405924U (en) * | 2018-07-11 | 2019-01-22 | 滨州学院 | A kind of dancing practicing leg ligament flexibility auxiliary device |
| CN210728560U (en) * | 2019-09-23 | 2020-06-12 | 曲靖医学高等专科学校 | Shank stretching device for sport equipment |
| CN211935397U (en) * | 2019-12-24 | 2020-11-17 | 南安市弈星机械科技有限公司 | Ligament tractive device for track and field training |
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2020
- 2020-12-30 CN CN202011607288.0A patent/CN112675492A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140031175A1 (en) * | 2012-07-26 | 2014-01-30 | Charles A. Peralo | Therapeutic exercise apparatus with multiple selectively interlockable sliding platforms |
| CN104622664A (en) * | 2015-01-22 | 2015-05-20 | 杨伦 | Ligament stretcher |
| US20160354627A1 (en) * | 2015-06-02 | 2016-12-08 | Gymbot, Llc | Contralateral hip and hamstring training device |
| CN208405924U (en) * | 2018-07-11 | 2019-01-22 | 滨州学院 | A kind of dancing practicing leg ligament flexibility auxiliary device |
| CN210728560U (en) * | 2019-09-23 | 2020-06-12 | 曲靖医学高等专科学校 | Shank stretching device for sport equipment |
| CN211935397U (en) * | 2019-12-24 | 2020-11-17 | 南安市弈星机械科技有限公司 | Ligament tractive device for track and field training |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114534181A (en) * | 2021-12-23 | 2022-05-27 | 华东师范大学 | Sports lacing wire ware |
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