JPH11299926A - Stretching auxiliary tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stretching auxiliary tool in a simple structure and at a low cost for exhibiting excellent stretching effect including the reinforcement of a Achilles' tendon or others. SOLUTION: A tread 1 with a heel stopper 2 and a supporting member 3 for supporting the tread 1 inclined at a desired angle are provided at the upper side of a rear end. A desired number of angle-adjustment engagement recessed grooves 12 in the cross direction of the tread 1 are formed on the upper face of the tread 1 in parallel to and at a preset space in the longitudinal direction of the tread 1. The supporting member 3 includes a pair of leg bars 31A, 31B of preset length facingly connected and fixed to the tread 1 at a space corresponding to the width thereof, engagement bars 33A, 33B formed to be bent at a right angle so that the upper ends of the both leg bars 31A, 31B are located on a line connecting both leg bars and engaged with the recessed groove 12 and a supporting bar 34 located at the lower side of the engagement bars and horizontally bridged and fixed between both leg bars 31A, 31B at a distance from the engagement bars, corresponding to the thickness of the tread 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assisting device for stretching, and more particularly, to an assisting device for stretching used when performing an exercise for extending tendons and muscles such as Achilles tendon, gastrocnemius muscle, soleus muscle and the like.

[0002]

2. Description of the Related Art Stretching (stretching exercises) is a flexible exercise designed to consciously extend the muscles and tendons that support the body. It prevents accidental injuries such as amputation of the Achilles tendon and damage to the muscles, and if performed after the end of sports, etc., helps to relieve fatigue by calming the tendons and muscles. Stretching exercises are also supported by the theory of health and physical education that stretch exercises increase the body's flexibility, maintain youth and health, and are also useful for beauty.

Conventionally, as shown in FIG. 6, a stretching assisting device used for stretching is generally known. The auxiliary device includes a substrate A and the substrate A
A stepping plate C provided with a rear end hinged to the upper end thereof, a heel stopper D protruding from the rear end upper surface of the stepping plate C, and an angle adjusting member provided between the two plates A and C. E, and the inclination angle of the tread plate C is adjusted by changing the position of the member E.

[0004] The conventional stretching assist device is constructed as described above, and the heel is attached to the stopper D to stand on the tread plate C so that the Achilles tendon, gastrocnemius muscle and soleus muscle can be extended without difficulty. Can be. In addition, when performing the forward bending exercise from the above posture, the muscles of the thighs and the muscles of the back of the neck and the like are also extended. It exerts effects such as recovery from work fatigue in mid-lumbar posture, prevention and correction of spinal cord gulf. Therefore, stretching exercises can be performed easily and easily by using this auxiliary device.

However, since the conventional auxiliary device includes the board A, the tread plate C, the heel stopper D, and the angle adjusting member E interposed between the two plates A and C as described above, the number of components is small. In addition, the mechanism for stabilizing the fixed position by changing the position of the angle adjusting member E is complicated, and therefore, there is a problem that the entire configuration is large and complicated.

[0006]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above circumstances, and is intended for a stretch which exerts various effects such as reinforcement of the Achilles tendon while maintaining ease of operation. An object of the present invention is to provide an auxiliary device at a low cost with a simplified configuration.

[0007]

In order to achieve the above object, the present invention provides a step plate, a heel stopper protruding above the rear end of the step plate, and supporting the step plate by inclining at a desired angle. A support member to be provided, on the upper surface of the tread plate, a desired number of engagement concave grooves for angle adjustment toward the width direction of the plate are formed in parallel at a predetermined interval in the front-rear direction of the plate, The supporting member has a pair of leg rods of a predetermined length opposed in parallel with a distance somewhat longer than the width of the plate, a connecting rod connecting and fixing the both leg rods, and an upper end of the both leg rods. Between the engaging rod, which is formed on a line connecting the two leg rods in a straight line and is formed at right angles to engage with the concave groove, and a lower part of the engaging rod and the engaging rod. A support that is horizontally bridged and fixed between the two legs at a distance corresponding to the thickness of the plate. And it is characterized in that comprising a and.

According to the present invention having the above-described structure, the stepping plate is inserted between the engaging rod of the supporting member and the supporting rod from the front end side to engage the engaging rod with the engaging groove. When the leg is opened to the front side of the tread plate and the tread plate is grounded in this state, the tread plate is supported by the support rod, fixed by a wedge action with the engaging rod, and stably supported in an inclined state. Therefore, by standing on the tread and using it in the same manner as in the prior art, various effects of strengthening the Achilles tendon and other excellent stretching can be exhibited. Further, the inclination angle of the tread plate can be arbitrarily adjusted by changing the engagement portion of the engagement rod with the concave groove. Since the foot rests on the groove formed in the plate, the groove acts as a non-slip.

In the present invention, it is also possible to form a scale for displaying an angle using the concave groove as a scale index line by giving an angle value to the upper surface of the tread plate (see claim 2). With this configuration, the angle can be easily grasped when adjusting the inclination angle of the tread plate.

In the present invention, an anti-slip member may be fixedly provided at the rear end ground contact portion of the step board (see claim 3). Further, the lower ends of the two leg rods may be connected by a connecting rod, and an anti-slip member may be mounted on the connecting rod (see claim 4).

[0011]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the stretching assisting device of the present invention, FIG. 2 is a side view, FIG. 3 is a front view and a longitudinal side view showing a supporting member employed in the assisting device, and FIG. FIG. 5 is a perspective view showing a scale plate employed in the auxiliary device, and FIG. 5 is an explanatory view showing a use state.

In FIGS. 1 to 5, a stretching aid according to this embodiment includes a tread plate 1 and a
And a support member 3 for supporting the plate 1 at a desired angle by being inclined.

The step board 1 performs stretching exercises in a posture in which both feet are placed on the upper surface, and the board 1 is formed to have an appropriate size having a space for both feet and to have a strength for supporting weight. . In this embodiment, the tread 1 is a plate 1 formed in a substantially rectangular shape having an appropriate thickness.
1. The material of the plate material 11 is not particularly limited, and examples thereof include a wooden material and a hard plastic.

On the upper surface of the tread plate 1, a desired number of engaging concave grooves 12 for angle adjustment toward the width direction of the plate 1 are formed in parallel with a predetermined interval in the front-rear direction of the plate 1. In this embodiment, fifteen concave grooves 12 are formed.
Can be arbitrarily increased or decreased. Thus, the grooves 12 and the ridges 13 are alternately formed on the upper surface of the tread plate 1. The grooves 12 and the ridges 13 also function to prevent the feet from slipping during use.

Further, the treadle 1 of this embodiment is provided with an angle value 16 on its upper surface, and a scale 14 for displaying an angle with the concave groove 12 as a scale index line. In this embodiment, a rectangular scale plate 15 is embedded in the center of the upper surface of the plate 1 so that the upper surface of the plate 15 is flush with the upper surface of the plate 1. Then, the scale 14 is formed by writing angle numerical values 16 of 20, 25, 30, and 35 degrees.

A non-slip member 17 made of rubber or other material having a high coefficient of friction is fixed along the rear end of the footboard 1 along the edge of the rear end. The anti-slip action of the part is increased. On the back side near the front end of the plate 1, a handle recess 18 (see FIG. 2) having an appropriate size and depth is formed. This recess 18
Is provided for hanging the fingers of the hand when carrying the board 1.

The heel stopper 2 is provided so as to protrude upward from the rear end of the tread plate 1. In this embodiment, a stopper 2 is formed by bonding a rectangular plate 21 made of wood or the like having an appropriate width with a length corresponding to the width of the plate 1 to an upper surface of a rear end of the plate 1 by bonding or the like. It is. The illustrated stopper 2 is provided on the front wall surface of the plate
Fitting recesses 22 and 23 are formed at positions where the heels of both feet are in contact when standing up, and into which the heels fit.

The support member 3 is made of iron or another metal rod or the like, and has a pair of leg rods 31A and 31B of a predetermined length which are opposed to each other in parallel with a distance slightly longer than the width of the plate 1.
Connecting rod 32 connecting the lower ends of both rods 31A and 31B.
And the upper ends of the two leg rods 31A, 31B,
31B are bent at right angles so as to be located on a line connecting the straight lines, and the engaging rods 33A,
33B and a lower part of the rods 33A and 33B.
3A and 33B and a supporting rod 34 which is horizontally bridged between the two leg rods 31A and 31B with a distance corresponding to the thickness of the tread plate 1 and is fixed by welding or other means. Have. Thereby, both leg rods 31A and 31B of the support member 3 shown in the figure are connected to the lower connecting rod 32 and the support rod 34.
Are connected and fixed.

Also, in this embodiment, the double leg 3
Anti-slip members 35, 3 made of rubber or other material having a large friction coefficient are connected to the connecting rod 32 connecting the lower portions of 1A, 31B.
5 is mounted on the shaft to increase the anti-slip action on the connecting rod 32. The anti-slip member 35 of this embodiment is formed of a tube made of rubber or the like.

The stretching aid according to this embodiment is constructed as described above and is used as follows. That is, the tread plate 1 is inserted between the engaging rods 33A, 33B of the support member 3 and the support rod 34 from the front end side, and the desired groove 12 is selected using the numerical value 16 of the scale plate 15 as a guide. The engaging rods 33A and 33B are engaged with the concave grooves 12, and in this state, the leg rods 31A and 31B are opened forward of the plate 1 so that the plate 1 is sandwiched between the engaging rods and the supporting rods. Then, the footboard 1 is grounded at a desired position.

Therefore, the fitting recesses 22 and 2 of the stopper 2
By standing on the tread plate 1 by fitting the heels of both feet to 3, the Achilles tendon, gastrocnemius muscle, soleus muscle, etc. can be easily extended and strengthened. Also, from the above posture, FIG.
If you bend down and perform a forward flexing exercise as shown in the figure, the muscles of the thighs and the back of the neck will also be stretched, so the various effects of stretching, ie, strengthening the Achilles tendon, preventing back pain, and back pain Rehabilitation of the elderly, recovery from work fatigue in the middle waist position,
Exhibits various effects such as prevention and correction of the spine. In addition,
When standing on the plate 1, the grooves 12 and the ridges 13 function as non-slip.

[0022]

According to the present invention, the following effects can be obtained. Exerts Achilles tendon strengthening and other excellent stretching effects. Since the configuration is simplified, it can be provided at low cost. Since the foot is placed on the groove on the upper surface of the tread plate, the groove functions as a non-slip.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a stretching aid according to the present invention.

FIG. 2 is a side view of the auxiliary device.

FIG. 3 is a front view a and a longitudinal sectional side view b (a cross-sectional view taken along line AA of the front view) showing a support member employed in the auxiliary device.

FIG. 4 is a perspective view showing a scale plate employed in the auxiliary device.

FIG. 5 is an explanatory diagram showing a use state.

FIG. 6 is an explanatory view for explaining a conventional stretching assisting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Step board 2 Heel stopper 3 Support member 12 Engagement concave groove 31A, 31B Leg rod 33A, 33B Engagement rod

Claims (4)

[Claims] A stepping plate, a heel stopper protruding from an upper side of a rear end of the stepping plate, and a support member for supporting the stepping plate at a desired angle by tilting the stepping plate. A desired number of engagement concave grooves for adjusting the angle in the width direction of the plate are formed in parallel at a predetermined interval in the front-rear direction of the plate, and the support member is disposed at a distance slightly longer than the width of the plate. A pair of leg rods of a predetermined length opposed in parallel at an interval,
A connecting rod that connects and fixes the two leg rods, and an engaging rod that is formed at the upper end of the two leg rods, is positioned on a line connecting the two leg rods in a straight line, and is formed in a direction perpendicular to the groove, and engages with the concave groove; A support rod which is provided below the engagement rod and is horizontally fixed between the two leg rods at a distance corresponding to the thickness of the plate between the engagement rod and the engagement rod; An auxiliary device for stretching characterized by becoming. 2. The stretch assisting device according to claim 1, wherein an angle numerical scale is formed on an upper surface of the tread plate to indicate an angle using the concave groove as a scale index line. 3. The stretch assisting device according to claim 1, wherein an anti-slip member is fixed to a rear end ground contact portion of the step board. 4. The lower ends of the two leg rods are connected by a connecting rod,
4. The stretch assisting device according to claim 1, wherein said connecting rod is provided with an anti-slip member.