JP5410635B1 - Exercise aid - Google Patents

Abstract

Provided is an exercise assisting tool that is useful for pelvic correction and that allows various muscles in the lower body to be moved with varying exercise intensity by freely adjusting the inclination of the lower leg while the lower leg is fixed.
An exercise assisting device 10 includes a bottom portion having a hemispherical bottom surface 11 and has a spherical shape as a whole. In the exercise assisting tool 10, two substantially cylindrical through holes 12 are formed on the upper side so as to be separated by a length L1. Each through hole 12 is formed with a slit 12 </ b> S extending in the axial direction of the through hole 12 at a position where the through hole 12 is on the outermost side. The edge 13 of the slit 12S is thin to cover the calf, and has a strength that allows the foot to be inserted into the through-hole 12 by bending and prevents the foot from dropping off after insertion.
[Selection] Figure 1

Description

  The present invention relates to an exercise assisting device that assists exercise for correcting the pelvic position, strengthening muscles of the lower body, and the like.

  Conventionally, exercise equipment for correcting the pelvic position and strengthening the abdominal muscles has been proposed (see, for example, Patent Document 1). The exercise device described in Patent Document 1 includes an arcuate guide erection unit standing on a floor, and two ankle holders attached so as to be freely movable along the guide erection unit. It has. Then, the user lies on his / her back, attaches his / her left and right ankles to each of the ankle holders, and repeats the movement of moving the ankle holder along the guide installation part by himself / herself. Thereby, correction of the pelvis and reinforcement of the abdominal muscles can be expected.

  In addition, exercise assistive tools aimed at tightening the lower abdomen and waist by loosening the pelvic periphery have been studied (see, for example, Non-Patent Document 1). The exercise assisting device described in Non-Patent Document 1 is composed of a fan-shaped columnar cushion material as a whole, and this exercise assisting device is provided with two through holes. And a leg is inserted in each through-hole of this exercise assistance tool, and the exercise assistance tool is rotated right and left in the state holding the calf. As a result, the pelvis is swiveled to relieve the tension around the pelvis and train the lower abdominal muscles.

Utility Model Registration No. 3146416

Dream Co., Ltd., “Lower Legs Slim Swing”, product information, [online], [searched on June 19, 2013], Internet <URL: http://mydream.co.jp/commodity/55>

  However, the exercise device described in Patent Document 1 needs to erect the guide installation portion on the floor. Therefore, it is troublesome to install and clean up exercise equipment, and it is difficult to use it frequently.

  Moreover, since the exercise device described in Non-Patent Document 1 is compact, it can be exercised easily. However, since this exercise device is a fan-shaped columnar body, it can only rotate left and right, and it has been difficult to freely change the inclination of the axis of the through hole. For this reason, it is difficult to freely adjust the bending and stretching angles of the knees with the legs inserted into the through holes, and it is difficult to exercise various muscles and change the exercise intensity in the lower body.

  The present invention has been made paying attention to such problems existing in the prior art. Its purpose is to provide exercising aids that can be used for pelvic correction and to move various muscles in the lower body with varying exercise intensity by freely adjusting the inclination of the lower leg while keeping the lower leg fixed. It is in.

In order to achieve the above object, the exercise assisting device is characterized by including a bottom portion having a spherical crown-shaped bottom surface and a fixing portion for fixing the crus.
According to this configuration, since the bottom surface has a spherical crown shape, the inclination of the lower leg can be freely changed while the lower leg is fixed. For example, it is possible to exercise by rotating the exercise assisting tool to the right and left without difficulty while the legs are extended or the legs are bent. Therefore, it is useful for pelvic correction, and various muscles in the lower body can be moved with varying exercise intensity. Here, the spherical crown shape includes an elliptical spherical crown shape and a polygonal shape close to the spherical crown, and not only in the horizontal direction (rotation direction) for movement but also in a direction that forms an angle with this direction. A dome-shaped shape with a convex curved surface.

  About the said exercise assistance tool, the whole shape is a spherical body, Comprising: The said fixing | fixed part is formed of the through-hole which penetrates the said spherical body, The central axis of this through-hole passes through the center of the said spherical body It is preferable that they are arranged so that they do not. According to this configuration, since the end portion of the through hole has an oblique opening shape, the opening portion is larger than the cross-sectional size of the through hole, and a calf or ankle can be easily inserted into the through hole. it can.

  About the said exercise assistance tool, it is preferable that the said through-hole is formed with the slit extended in the axial direction of the said through-hole, and the edge part of the said slit is comprised with the flexible material. According to this configuration, the edge of the slit can be deformed and the calf can be fixed from the slit side, so that the calf can be attached and detached easily.

  ADVANTAGE OF THE INVENTION According to this invention, it is useful for pelvic correction, and it can move by changing exercise intensity about various muscles in a lower body by adjusting the inclination of a lower leg freely, fixing a lower leg.

It is a figure which shows the exercise assistance tool of one Embodiment, Comprising: (a) is a perspective view, (b) is a front view, (c) is a side view. Explanatory drawing explaining the state which fits a leg to the exercise assistance tool of one Embodiment. It is explanatory drawing explaining the effect | action of the exercise assistance tool of one Embodiment, Comprising: (a) is the state which extended the leg | limb and exercise | moved, (b) shows the state which bent and exercise | moved the leg | foot.

Hereinafter, an embodiment of an exercise aid will be described with reference to the drawings.
As shown in FIG. 1, the exercise assisting device 10 of this embodiment includes a hemispherical bottom portion in which a bottom surface 11 has a spherical crown shape. The exercise assisting device 10 has a spherical shape as a whole, and preferably has a diameter of about 35 cm. Further, the exercise assisting device 10 is made of, for example, a soft urethane foam having cushioning properties, and the surface is covered with a cloth.

  As shown in FIG. 1B, the exercise assisting tool 10 has two through holes 12 formed therein. The central axes of these two through holes 12 are arranged on a circle having a radius r (for example, r = about 10 cm) from the center in the hemispherical cross section of the exercise assisting tool 10. Furthermore, in the present embodiment, in the hemispherical cross section, the line segment connecting the central axis of the through hole 12 and the center of the hemispheric cross section is the angle θ (for example, the line segment connecting the central axis of the other through hole 12 and the hemispheric cross section center). Each through hole 12 is provided at a position where they intersect at θ = about 150 degrees. Due to the diameter (35 cm) and the angle θ (150 degrees) of the exercise assisting tool 10, the through holes 12 are spaced apart by a length L1 (for example, L1 = about 20 cm).

  Each through-hole 12 functions as a fixing portion for fixing the calf of one leg. In the present embodiment, the through-hole 12 is formed in a cylindrical shape having a diameter d of a size (for example, a size of about 10 cm) into which a general human calf can be inserted.

  Further, as shown in FIG. 1C, each through hole 12 is formed with a slit 12 </ b> S extending in the axial direction of the through hole 12 on the outside. And in order to cover a calf, the edge part 13 of the slit 12S is thin-walled, and it is comprised with the intensity | strength which can be bent and can insert a leg into the through-hole 12, and can prevent a fall of a leg after insertion. Yes.

Next, the operation of the exercise assisting device 10 configured as described above will be described.
As shown in FIG. 2, when using the exercise assisting device 10, the user installs the exercise assisting device 10 so that the two through holes 12 are located in the upper hemispherical portion, and each of the through holes 12 has one foot. Insert each calf. Specifically, the edge 13 of the slit 12S is bent so as to spread on both sides, and the calf is pushed into the through hole 12 from the slit 12S side. And after inserting a calf into the through-hole 12, the edge part 13 of the slit 12S is returned. Thereby, a user's calf is fixed in the through-hole 12 of the exercise assistance tool 10.

And as shown to Fig.3 (a) and FIG.3 (b), a user changes the state of a foot | leg and exercises by twisting a waist | hip | lumbar.
Specifically, as shown in FIG. 3A, in a state where the legs are stretched, the legs with the calves inserted into the through holes 12 are moved, the exercise assisting tool 10 is rotated left and right, and this operation is repeated. By repeatedly performing such left and right rotational movements, the muscles around the pelvis can be loosened and the muscles in the lower abdomen can be strengthened.

  Further, the exercise assisting device 10 is installed in a state where the exercise assisting device 10 is turned upside down, that is, in a state where the two through holes 12 are located in the lower hemisphere portion, and the calf is inserted into the through hole 12 of the exercise assisting device 10. May be inserted to rotate the exercise assisting tool 10 left and right. In this case, since the calf is fixed at a lower position than in the exercise state of FIG. 3 (a), different muscles of the lower body can be exercised.

  Moreover, as shown in FIG.3 (b), it can also exercise | move in the state which bent the knee. Also in this case, with the knee bent, the leg with the calf inserted into the through-hole 12 is moved to rotate the exercise assisting tool 10 left and right, and this operation is repeated. In this case, the angle formed by the floor surface and the central axis of the through hole 12 is larger than when exercising with the legs extended as shown in FIG. 3A, and the ground contact position of the exercise assisting tool 10 also changes. As a result, the position of the muscle to be moved differs from that during exercise with the legs extended, and the exercise intensity also changes. Therefore, various muscles can be exercised according to the expansion and contraction of the knee.

For this reason, in the said embodiment, the following effects can be acquired.
(1) In the present embodiment, the exercise assisting device 10 includes a bottom portion whose bottom surface 11 has a spherical crown shape. Thereby, in the state which extended the leg | leg or the state which bent the leg | foot, the exercise assistance tool 10 can be exercise | moved by rotating right and left. Therefore, it is useful for pelvic correction, and various muscles in the lower body can be moved with varying exercise intensity.

  (2) In the present embodiment, the exercise assisting tool 10 has a spherical shape as a whole, and a cylindrical through hole 12 for fixing a calf is formed on a circle having a radius r from the center of the sphere. ing. Thereby, as shown in FIG.1 (c), since the edge part of the through-hole 12 becomes the shape opened diagonally, an opening part becomes large compared with the magnitude | size of the through-hole 12, and a calf and an ankle can be made easy. It can be inserted into the through hole 12.

  (3) In the present embodiment, the through hole 12 is formed with slits 12S extending in the axial direction of the through hole 12, and the edge 13 of each slit 12S is bent. Thereby, since the edge 13 of the slit 12S can be deformed and the calf can be inserted into the through hole 12 from the slit 12S side, the calf can be attached and detached easily.

  (4) In the present embodiment, the two through holes 12 are provided at positions separated by an angle of about 150 degrees. Thereby, since the two through-holes 12 are provided unevenly in the hemisphere of the exercise assisting device 10, even if the same exercise assisting device 10 is used by using the exercise assisting device 10 upside down. Exercise can be performed with varying exercise intensity.

(Example of change)
Further, this embodiment may be modified as follows.
In the above embodiment, the exercise assisting device 10 having a spherical shape with a diameter of about 35 cm is used. The size of the exercise assisting tool 10 and the curvature of the bottom surface are not limited to this. Any shape can be used as long as the ankle or calf is fixed to the fixing portion and the posture is not unreasonable, and the lower body muscles can be exercised by rotating the exercise assisting tool left and right.

  In the above embodiment, the exercise assisting tool 10 is provided with two through holes 12. The number of through holes 12 provided in the exercise assisting tool 10 is not limited to two. For example, one may be sufficient and three or more may be sufficient. In the case of one, only one leg may be inserted into the through hole 12 and the exercise assisting tool 10 may be rotated left and right. Further, when three through holes 12 are provided, the through holes 12 may be formed so that the distance to one through hole 12 is different from the other through holes 12. In this case, since the distance between both feet when the feet are inserted into the two through holes 12 is different, the exercise can be changed and more various muscles can be exercised.

  In the above embodiment, the exercise assisting tool 10 is used by rotating it left and right with the calf inserted into each of the two through holes 12. In a state where only one foot is inserted into one through-hole 12, the exercise assisting tool 10 may be rotated to the left and right for exercise.

In the above embodiment, the two through holes 12 provided in the exercise assisting tool 10 are provided so as to be spaced apart by a length L1. The distance L1 between the through holes 12 is preferably about the size between both knees when the foot is opened to the shoulder width, but is not limited to this as long as the calf can be fixed in a comfortable posture. Further, the arrangement of the through-holes 12 can deflect the edge 13 of the slit 12S in order to insert the calf into the through-hole 12 with respect to the spherical shape, and can prevent the foot from dropping off after the calf is inserted. It is preferable to provide it at a position where the thickness is strong. Furthermore, the size of the through hole 12 is not limited to the above-described size.

  In the above embodiment, the through hole 12 is provided with the slit 12S extending in the axial direction. The shape of the slit 12S is not limited to this as long as the calf is inserted into the through hole 12 from the side, and may be provided obliquely with respect to the axial direction of the through hole 12 or may be provided in a zigzag manner. Good.

  In the above embodiment, the calf is fixed to the through hole 12 provided in the spherical exercise assisting tool 10. The part to be fixed in the exercise assisting device 10 is not limited to the calf and may be the lower leg such as an ankle. In addition, the configuration of the fixing portion that fixes the crus is not limited to the through hole 12. For example, the structure which provided the fixing | fixed part which fixes a leg | foot with a hook_and_loop | surface fastener etc. in the hemispherical bottom part comprised with the material with cushioning property may be sufficient.

  In the embodiment described above, the entire exercise assisting device 10 has a spherical shape so that the bottom surface of the exercise assisting device 10 has a spherical crown shape. The bottom surface of the exercise assisting device 10 is not limited to a true spherical crown shape, but may be an elliptical spherical crown shape having different vertical and horizontal lengths such as a rugby ball. Also, it may be a bottom surface with an irregular surface on the surface of the sphere crown, or a bottom surface that is composed of a polyhedron or has a substantially spherical crown shape as a whole. What is necessary is just to be a dome shape that has a curved surface shape that protrudes downward in the direction that forms the angle.

  In the above embodiment, the exercise assisting device 10 is configured by covering the surface of a spherical soft urethane foam with a cloth. The material constituting the exercise assisting tool 10 is not limited to this, and only the periphery of the through hole 12 is constituted by a flexible material having cushioning properties, and the other part is constituted by a harder material (for example, plastic) or the like. May be.

Next, technical ideas that can be grasped from the above-described embodiment and other examples will be described below together with their effects.
(A) Two through holes are formed apart from the sphere,
The exercise assisting device according to claim 2, wherein the through holes are provided at a position where a line connecting the through holes does not pass through a center of the sphere.

  Therefore, according to the invention described in (A), since the through holes are in a position decentered from the diameter, by fixing both feet by turning the sphere upside down, even with the same exercise aid, You can move muscles by changing exercise intensity.

  (B) At least the first, second, and third through holes are provided apart from the sphere, and the distance from the first through hole to the second and third through holes is different. The exercise assisting device according to claim 2 or 3, wherein each of the through holes is formed.

  Therefore, according to the invention described in (B), since the distance between both feet when the foot is inserted into the two through holes is different, the exercise can be changed, and more various muscles can be exercised. it can.

  (C) An exercise assisting device including a bottom portion having a bottom surface rotatable to the left and right and a fixing portion for fixing the ankle or calf, wherein the fixing portion is constituted by a through hole in which a slit is formed. And an edge of the slit is formed of a flexible member.

  Therefore, according to the invention described in (C), the edge of the slit can be deformed and the calf can be fixed from the slit side, so that the calf can be attached and detached easily.

  DESCRIPTION OF SYMBOLS 10 ... Exercise aid, 11 ... Bottom surface, 12 ... Through-hole, 12S ... Slit, 13 ... Edge part.

Claims (3)

  An exercise assisting device comprising a bottom portion having a spherical crown-shaped bottom surface and a fixing portion for fixing the crus. The overall shape is a sphere,
The fixing portion is formed by a through hole that penetrates the sphere,
The exercise assisting device according to claim 1, wherein the through hole is arranged so that a central axis of the through hole does not pass through a center of the sphere. A slit extending in the axial direction of the through hole is formed in the through hole,
The exercise assisting device according to claim 2, wherein at least an edge of the slit is made of a flexible material.

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