KR101099453B1 - Waist reinforcement sporting goods - Google Patents

Abstract

The present invention can not only relax the spine itself through the waist board that the back portion is variable in an arc shape, but also can strengthen the lower back muscles by the waist strengthening exercise apparatus that can effectively release the lower back muscles, the height of the waist strengthening exercise apparatus It is to provide a waist strengthening exercise apparatus that can adjust the exercise intensity according to the user's physical condition by adjusting the, and to support the waist more stably to perform the waist strengthening exercise more easily.

The waist strengthening exercise device of the present invention for this purpose, while the three-back waist board having a tensile force is supported to be elastically variable up and down that the back portion is bent in an arc shape of '∩' on the square frame, the square frame is left and right between the supports. It is configured to be able to adjust the waist exercise intensity by adjusting the height of the waist relaxation exercise and the waist board by touching the body to be the same as the waist board having a bent by the waist strengthening exercise mechanism is rotatably fixed.

Back Exercise, Fitness Equipment, Board, Muscle, Relaxation Exercise, Height Adjustment, Arc Shape

Description

Waist strengthening exercise equipment {Waist reinforcement sporting goods}

The present invention relates to a waist strengthening exercise device, and more particularly, the height of the waist board is in contact with the body so as to enable the waist strengthening movement is height-adjusted in the shape of an arc, the height can be freely adjusted according to the user's fitness state, the entire body stably The present invention relates to a waist strengthening exercise apparatus that supports a waist strengthening exercise more easily.

In general, an office worker, researcher, or student, who is sitting in a chair and working in front of a desk for a long time or studying, can easily get tired of his / her physical or physical health due to the accumulation of physical fatigue, Due to poor posture, complaints such as the occurrence of low back pain or the onset of the disc are gradually increasing.

Also, in modern times, as life becomes rich, interest in health is amplified. Among them, spine and waist, which are the center of the human body, and belly fat, which is a major part of obesity, occupy a large part.

In general, the waist exercise apparatus is used to loosen the back muscles by vibrating the belt while supporting the belt on the waist, or to relax the back muscles by turning the waist back and forth on the rotating plate while holding the handle. In most cases, such a conventional waist exercise apparatus may not only effectively release the back muscles, but also may not relax the spine itself.

In addition, in order to strengthen the lower back, in order to strengthen the upper body, there is no additional support for supporting the lower back. It caused a lot of inconvenience to get up.

An object of the present invention for solving the problems according to the prior art, as well as to relax the spine itself through a height-adjustable waist board that the back portion is variable in the shape of an arc, as well as to strengthen the waist muscles can effectively loosen the back muscles Exercise equipment can strengthen the back muscles, adjust the height of the waist strengthening exercise equipment to adjust the exercise intensity according to the user's physical condition, waist stable to support the waist more easily to strengthen the waist In providing a strengthening exercise equipment.

In the waist strengthening exercise device of the present invention for solving the technical problem, the quadrangular frame while being supported to be elastically variable up and down the back portion is bent in an arc shape of '∩' on a quadrangular frame with tension Waist strengthening mechanism is fixed to the support frame by the waist strengthening mechanism to be in contact with the body to be the same as the waist board having a curvature characterized in that the waist relaxation intensity by the waist relaxation exercise and the height of the waist board can be adjusted. .

Preferably, the waist strengthening exercise device, and the support frame and the shaft is formed on the upper end is installed as a rotating shaft between the support and the square frame to rotate left and right; A waist board placed on a square frame fixed to the support and divided into three portions, the waist board coupled to a hinge portion connected to a bottom portion to which the partition portion and the partition portion are connected so as to bend easily; A power cylinder which raises and lowers the height of the waist board by changing the left and right angle control of the square frame by the rotational motion of the motor and the rotational motion of the motor by linear motion between the supports and fixing it to a lower portion of the center bottom plate of the waist board; Characterized in that consisting of.

Preferably, the square frame is formed on one side border to form a rectangular border, the ankle cradle is mounted to the user's ankle; Guide grooves formed at predetermined lengths along edges on both sides of the ankle holder; Characterized in that it comprises a.

Preferably, the waist board, the first board is divided into three parts and formed of an elastic material that is configured in a predetermined partition portion at the center side to vary in an arc shape in accordance with pressure; A second board constituting a predetermined partition portion on the left side of the first board, the second board being variable in an arc shape according to pressure; And a third board constituting a predetermined partition portion on the right side of the first board, the third board being changed into an arc shape according to pressure. Characterized in that it comprises a.

Preferably, the hinge parts are inserted into the hinge coupling grooves located on the horizontal line while the hinge parts are alternately positioned with each other, where the plurality of boards that make up the third board are closely connected to each other, thereby rotating according to the elasticity of the waist board. Characterized in that it is formed to be.

More preferably, the first board is made of a PP material, the second board and the third board is characterized in that made of a double material of wood.

More preferably, the material of the waist board consisting of the first board, the second board, the third board unified, but the material is made of any one selected from the waist board consisting of a soft material such as PP, PF, ABS, nylon. .

Preferably, the second board is characterized in that it comprises a rotation shaft coupled to the square frame to the predetermined range by rotating the groove on one end while being located on the ankle holder side of the square frame.

Preferably, the third board is characterized in that it comprises a guide roller which is located in the guide groove side of the rectangular frame and movable in a predetermined range on both side surfaces of the end.

Preferably, the power cylinder, the cylinder rod of the power cylinder which is movable up and down at the bottom plate bottom plate of the first board located in the center of the waist board is fixed to increase the height of the waist board in an arc shape by rising pressure It is characterized by.

Preferably, the waist strengthening exercise mechanism, the second board is rotated by the rotation shaft of the square frame at the same time the upper side of the power cylinder to press the center side of the first board, the guide roller of the third board is a guide groove of the square frame The waistboard is characterized in that it comprises a round fork arc shape by moving in a predetermined range in the inner direction.

Preferably, when the arc shape of the waist strengthening exercise device is equipped with a gas shobu bar between one side of the third board and the square frame, the deceleration means for gradually reducing the moving speed when the waist board moves from the arc shape to the original position is further provided. It is characterized by.

Preferably, the waist strengthening exercise device, the waist board further comprises a control unit having a control means for controlling the vertical height adjustment in the shape of the arc on the rectangular frame and the left and right rotation control around the axis of rotation of the support further It is characterized by including.

According to the present invention as described above, as well as to relax the entire body and the spine itself through the waist board that the back portion is variable in an arc shape, as well as to strengthen the lower back muscles with a waist strengthening exercise equipment that can effectively release the back muscles. Have an effect,

In addition, by adjusting the height of the waist strengthening exercise apparatus can adjust the exercise intensity according to the user's physical state, it is a very useful invention because there is an effect that the waist can be strengthened more easily by supporting the waist stably.

The present invention for achieving the above object,

The waistboard is divided into three quarters, and the waistboard is supported to be elastically variable up and down in the shape of an arc of '∩' on the rectangular frame. It was achieved by providing a waist strengthening exercise equipment, characterized in that by touching the body to be the same as the waist board having a bend to adjust the intensity of the waist by the waist relaxation exercise and the height of the waist board.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention, it is to replace them at the time of the present application It should be understood that there may be various equivalents and variations.

1 is an exploded perspective view of the waist strengthening exercise apparatus according to the present invention.

As shown, in the waist strengthening exercise apparatus according to the present invention, the waist strengthening exercise apparatus 100 may not only relax the spine itself through the waist board 120 in which the back portion is variable in an arc shape, as well as the back muscles. Because it can effectively release the back muscles can be strengthened, by adjusting the height of the waist strengthening exercise apparatus 100 can adjust the exercise intensity according to the user's physical condition, and support the waist stably to strengthen the waist more easily To do this.

This, the waist strengthening exercise apparatus 100 is supported so that the three-backed waist board 120 having a tensile force elastically up and down that the back portion is bent in an arc shape of '∩' on the square frame 110.

Here, the waist board 120 is formed of a material having an elastic restoring force while being softly bent and freely bent.

In addition, the waist frame 120 of the arc shape so that the square frame 110 is the same as the waist board 120 having an arc shape in the waist strengthening exercise device 100 is fixed to the left and right rotation between the support (102). ) By adjusting the height of the waist relaxation exercise and the height of the waist board 120 to adjust the intensity of the waist movement.

The waistboard 120 is rounded in an arc shape on the square frame 110 to allow the user's body to have an arc shape, allowing the user to relax while allowing the user's belly to reach the waistboard 120. Can effectively solve the problem.

In addition, the waist strengthening exercise apparatus 100 according to an embodiment of the present invention, as shown in Figure 1, the support 102, the square frame 110, the waist board 120, the power cylinder 130 It is configured to include.

First, the support 102 will be described.

The support 102 is provided with a ground portion 103 of the support 102 at predetermined intervals.

The support 102 is formed to be long in the longitudinal direction is seated with the ground in order to be stably fixed on the ground so that there is no flow.

 And, the support 102, but will be described later in the back is provided with a power cylinder 130 between the support 102, and includes a control unit 160 composed of a switch having an operation control function on one side of the support (102). .

In addition, the square frame 110 is installed as a rotating shaft 104 between the support 102 by installing the support 102 and forming a shaft on the upper end is configured to rotate left and right between the support (102).

The rectangular frame 110 is a frame formed of a rectangular frame in which a frame having a predetermined thickness forms a predetermined open space therein.

This, on the rectangular frame 110, the waistboard 120 divided into a predetermined area is placed and coupled.

The waist board 120 is divided into three parts, and is connected to the hinge portion 122 connected to the bottom portion to which the partition portion and the partition portion are connected so as to easily bend.

The connecting hinge 122 has a hinge shape and the waist board 120 is rotated to elastically upward.

Here, by changing the rotational movement of the motor between the support 102 in a linear motion so that the waist board 120 is elastically variable upwards of the power cylinder 130 below the central bottom plate 126 of the waist board 120 The cylinder rod 132 is fixed to raise and lower the height of the waist board (120).

In addition, the other one of the power cylinder 130 is a structure that can adjust the left and right angle of the square frame 110 by the rotational movement of the motor by rotating the square frame 110 formed in conjunction with the waist board 120. to be.

Hereinafter, the waist strengthening exercise device having the above configuration will be described in more detail with reference to the accompanying drawings.

First, Figure 2 is an assembly view of the waist strengthening exercise apparatus according to the present invention.

As shown in the figure, the waist strengthening exercise apparatus 100 of the present invention Ankle cradle to be supported by the user's foot by putting a predetermined user's foot to one side of the square frame 110 to the left and right rotation of the square frame 110 is installed between the support 102 as a shaft holder on the top of the support (102) ( 112) to make the user's foot more stable and firm.

The other side of the rectangular frame 110 is configured with guide grooves 114 formed at predetermined lengths along edges on both sides thereof.

The rectangular frame 110 is fixed between the plurality of supports 102 arranged at predetermined intervals.

Meanwhile, as illustrated in FIG. 3, the waist board 120 placed and partitioned on the square frame 110 fixed to the support 102 may include a first board 123, a second board 124, and a third board. It is divided into three parts by (125).

The first board 123 is formed of an elastic material by forming a predetermined partition portion at the center side divided into three parts and is changed into an arc shape according to the pressure from the lower side to the upper side.

In addition, the second board 124 positioned on the left side of the first board 123 forms a predetermined partition portion and varies in an arc shape according to the pressure of the first board 123.

In addition, the third board 125 positioned on the right side of the first board 123 forms a predetermined partition portion and varies in an arc shape according to the pressure of the first board 123.

That is, when the cylinder rod 132 of the power cylinder 130 presses the center bottom plate 126 upward from the lower side of the first board 123, the first board 123 located in the center may have an arc shape. In the round load, the second board 124 and the third board 125 also have a variable to be rounded in a predetermined arc shape at the same time.

Here, as shown in Figs. 4 and 5 hinge-shaped at the lower end side of the first, second, third boards 123, 124, 125, which is made up of three quarters of the waist board 120 are in close contact with each other. The connecting hinge portion 122 is configured to smoothly form an arc rising by the connecting hinge portion 122.

The connection hinge portion 122 is attached to the bottom surface between the first board 123 and the third board 125 and between the first board 123 and the second board 124, the elastic variable of the waist board 120 Form to rotate according to.

That is, the waist board 120 is connected to each of the boards while the hinge portion 122 is positioned on the lower surface of the portion where the plurality of boards that make up the third portion in close contact with each other are closely connected. The 120 is formed to support the connection so that it can be in the form of an arc according to the elastic variable.

Specifically, the second board 124 and the third board 125 located on both sides of the first board 123 and the second board 124 located on both sides by the pressure from the bottom surface of the first board 123 and The third board 125 is also variable in the form of an arc formed in a predetermined round at the same time.

At this time, it is possible to achieve a smooth arc shape by the hinge portion 122 connected to the bottom of the end portion in close contact with each other.

here, A connecting member connecting the first, second, and third boards 123, 124, and 125 of the waist board 120 to the waist board 120 is shown in FIG. The first, second, and third boards 123, 124, and 125 are formed to have a hinge portion 142 on the end side where the equal boards are tightly connected to each other so that the arc shape rising by the hinge portion 142 is smooth. .

 Specifically, the hinge portion 142 is alternately positioned between the first board 123 and the third board 125 while the hinge shaft 146 is inserted into the hinge coupling groove 144 located on the horizontal line to the waist. It is formed to be rotated according to the elastic variation of the board (120).

In addition, the hinge shaft 146 is inserted into the hinge portion 142 alternately positioned in the first board 123 and the second board 124 to help form a smooth arc when rounded upward. give.

In addition, the hinge portion 142 is a structure that is rotated so as to be elastically changed upward to the hinge portion 142 that each of the three waist boards 120 divided into three male and female.

As such, the first board 123 is made of a PP material to form a soft arc shape, the second board 124 and the third board 125 is made of a double material of wood.

The first board 123 of the PP material and the second and third boards 124 and 125 of the natural wood are both configured to have elasticity while having a predetermined thickness.

At this time, the first board 123, the second board 124, the third board 125 may be made of a material of the waist board 120, the unified material is PP (polypropylene) of the soft material, By selecting one of PF (phenolformaldehyde), ABS (acrylonitrile butadiene styrene copolymer), nylon can be completed the waist board 120 made of a single material.

Meanwhile, the first board 123 made of a soft material forms an overall arc shape together with the second and third boards 124 and 125 on the quadrangular frame 110. 124 and the third board 125 extend in both longitudinal directions to form a variable movement on the rectangular frame 110.

The second board 124 is located on the ankle holder 112 side of the square frame 110 and constitutes a pivoting groove 116 at one end thereof so that the second board 124 can be rotated in a predetermined range on the square frame 110. (127) Formation of association.

In addition, the third board 125 is formed on the guide groove 114 side of the rectangular frame 110 to form a guide roller 128 that is movable in a predetermined range on both side surfaces of the end.

On the other hand, as shown in Figure 7, the power cylinder 130 is a cylinder of the power cylinder 130 that can be moved up and down on the bottom of the central bottom plate 126 of the first board 123 located in the center of the waist board 120 The rod 132 is fixed to increase the height of the waist board 120 in an arc shape by rising pressure.

In summary, the waist board 120 coupled to the quadrangular frame 110 has a second board 124 constituting the pivoting groove 116 on one side thereof in a groove that forms a shaft shape of the quadrangular frame 110. The second board 124 is rotated about the rotation shaft 127 by being coupled to the horizontal line with the coaxial 127.

In addition, the third board 125 forms guide rollers 128 at both ends, and the guide roller 128 is inserted into the guide groove 114 of the rectangular frame 110 to have a smooth movement.

As such, the waist board 120 constituting the first board 123 and the second and third boards 124 and 125 formed on the quadrangular frame 110 is usually on the same horizontal line as the quadrangular frame 110. While unfolding to the first board 123 is pressed from the lower end by the cylinder rod 132 of the power cylinder 130 at the same time the second board 124 is rotated about the rotation shaft 127, The three boards 125 are arc-shaped together with the first board 123, the second board 124, and the third board 125 as the guide roller 128 moves inwardly along the guide groove 114. Will be achieved.

That is, the waist strengthening exercise apparatus 100 simultaneously presses the center bottom plate 126 side of the first board 123 to the upper side by the cylinder rod 132 of the power cylinder 130 and simultaneously the second board 124. Is rotated by the rotation shaft 127 of the rectangular frame 110, the guide roller 128 of the third board 125 is moved in a predetermined range in the inward direction along the guide groove 114 of the rectangular frame 110. By the waist board 120 is to form a round arc.

Here, when the arc shape of the waist strengthening exercise apparatus 100 is variable, the gas board 150 is mounted between one side of the third board 125 and the square frame 110 so that the waist board 120 returns from the arc shape to the original position. It is further provided with a deceleration means for gradually slowing down the moving speed during the movement.

When the gas shobar 150 is rapidly retracted when the waistboard 120 forms an arc rising on the square frame 110 and returns to its original horizontal state, the user may be injured or risk of back injury. It can be configured to reduce the speed of the gas bar 150 so that the entire waist board 120 is slowly connected to the third board 125 is reversed.

Such, the waist strengthening exercise apparatus 100 is the waist board 120 is the vertical height adjustment in the arc shape on the rectangular frame 110 and the left and right rotation about the rotation axis 104 of the support 102 is selectively adjusted The control unit 160 having the control means to enable the configuration.

The height of the waist board 120 in contact with the body to allow the user to strengthen the waist by the control unit 160 in the shape of an arc, the height can be freely adjusted according to the state of the user's physical fitness, and the entire body stably supports the body more easily You can do waist strengthening exercises.

As such, in order to exercise with the waist strengthening exercise device 100 of the present invention, as shown in FIGS. 8 and 9, the user makes a close contact with the back board 120 having a slope at a predetermined angle, and a square frame. 110 takes a fixed posture to walk the foot on the ankle holder 112 formed on one side.

Then, when the square frame 110 is rotated in one direction by a switch operation of the control unit 160 provided on one side of the support 102, the power cylinder 130 is operated to be combined with the waistboard 120. ), The waist board 120 is horizontally rotated by rotating the right and left within the rotation range.

The horizontally placed waist board 120 passes through the rectangular rod 110 of the cylinder rod 132 of the power cylinder 130 by the rising switch operation of the control unit 160, and the bottom center bottom of the first board 123. The plate 126 is urged upwards, and at the same time, the second board 124 rotates about the pivot shaft 127, and the third board 125 has the guide roller 128 in the guide groove 114. At the same time by moving inwardly the waist board 120 is to form an arc.

Select and adjust the arc shape height of the waist board 120 according to the user's choice and stop the user to touch the waist in the round waist board 120 and then perform the waist movement and the user's belly side waist board 120 You will be able to exercise your body exercise freely.

After the user's exercise, the cylinder rod 132 of the power cylinder 130 is lowered to the switch operation of the controller 160 to return the waist board 120 to the original position, and the waist board 120 is configured at one side of the gas show bar 150. It slowly becomes flat in the horizontal direction.

Then, the operation of the control unit 160 is rotated to establish the square frame 110 in the vertical direction to finish the return of the waist strengthening exercise apparatus 100 to the original position to minimize the volume of the waist strengthening exercise apparatus 100 can be stored. It is easy to

Such an exercise is an embodiment of the waist strengthening exercise apparatus 100, and the waist strengthening exercise apparatus may be utilized by various methods of exercise as the user's selective movement.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

1 is an exploded perspective view of the waist strengthening exercise apparatus according to the present invention.

2 is an assembly view of the waist strengthening exercise apparatus according to the present invention.

Figure 3 is a view showing a square frame and the waist board coupling of the waist strengthening exercise apparatus according to the present invention.

Figure 4 is a view showing the waist board of the waist strengthening exercise apparatus according to the present invention.

Figure 5 is a view showing the arc shape driving of the waist board of the waist strengthening exercise apparatus according to the present invention.

Figure 6 is a view showing another temporary connection of the waist board of the waist strengthening exercise apparatus according to the present invention.

Figure 7 is a view showing the rise of the waistboard height of the waist strengthening exercise apparatus according to the present invention.

8 is a view showing a square frame rotation of the waist strengthening exercise apparatus according to the present invention.

Figure 9 is a state of use of the waist strengthening exercise apparatus according to the present invention.

** Description of symbols for the main parts of the drawing **

100: waist strengthening exercise apparatus 102: support stand

103: ground portion 104: rotary shaft

110: square frame 112: ankle support

114: guide groove 116: rotation groove

120: waist board 122: connecting hinge

123: first board 124: second board

125: third board 126: center bottom plate

127: rotating shaft 128: guide roller

130: power cylinder 132: cylinder rod

142: hinge portion 144: hinge coupling groove

146: hinge axis 150: gas shoba

160: control unit

Claims (14)

The three-way waist board 120 having a tensile force is supported so as to be elastically variable up and down that the back portion is bent in an arc shape of '∩' on the square frame 110, the square frame 110 between the support (102) The waist strengthening exercise device 100 fixed to the left and right pivots and the waist board 120 configured to be partitioned so as to be variable in an arc shape can adjust the waist exercise strength by adjusting the height of the waist relaxation exercise and the waist board 120. Waist strengthening exercise equipment, The waist strengthening exercise apparatus 100, Installing the support 102 and forming a shaft on the upper end is installed as a rotating shaft 104 between the support (102) rotates left and right, formed on one side border to form a square border, ankle cradle that the user's ankle is mounted ( 112 and a rectangular frame 110 composed of guide grooves 114 formed on the opposite sides of the ankle holder 112 in a predetermined length along an edge thereof; It is placed on the square frame 110 fixed to the support 102 and divided into three parts, and connected to the bottom portion 122 connected to the bottom portion to which the partition portion and the partition portion are connected so as to easily bend and elastic upward. A waist board 120 coupled to be variable; The left and right angle control of the square frame 110 by the rotational movement of the motor between the support 102 and the rotational movement of the motor is changed to a linear movement is fixed to the bottom of the central bottom plate 126 of the waist board 120 A power cylinder 130 for raising and lowering the height of the waist board 120; Waist strengthening exercise equipment, characterized in that consisting of. delete delete The method of claim 1, The waist board 120, A first board 123 made of a polypropylene (PP) material, which is divided into three parts and formed of a predetermined partition portion at a central side thereof and made of an elastic material which is changed into an arc shape according to pressure; It is made of a wood material, constituting a predetermined partition portion on the left side around the first board 123 and positioned at the ankle cradle 112 side of the square frame 110 to be changed into an arc shape according to pressure, one end A second board 124 constituting a rotation groove 116 in which the rotation shaft 127 is coupled to the square frame 110 so as to be rotatable in a predetermined range; And It is made of a wood material, and constitutes a predetermined partition portion on the right side of the first board 123 to be positioned toward the guide groove 114 side of the square frame 110 so as to vary in an arc shape according to pressure, and on both sides of the ends. A third board 125 having a guide roller 128 movable in a predetermined range; Waist strengthening exercise equipment, characterized in that comprising a. 5. The method of claim 4, The waist board 120 is connected to the waist board 120 by a connection hinge part 122 that connects the respective boards at a lower end of the portion where a plurality of boards forming a third portion are closely connected to each other. The hinge part 142 is alternately positioned on the horizontal line while being connected and supported to form an arc according to the elastic variation of the) or a plurality of boards which are divided into three parts to the waist board 120 in close contact with each other. The hinge shaft 146 is inserted into the hinge coupling groove 144 located in the waist strengthening exercise apparatus further comprises being formed to rotate in accordance with the elasticity of the waist board (120). delete delete delete delete delete The method of claim 1, The power cylinder 130, The cylinder board 132 of the power cylinder 130 which is movable up and down on the bottom of the center bottom plate 126 of the first board 123 located in the center of the waist board 120 is fixed and rises to the waist board 120. Waist strengthening exercise equipment comprising the step of raising the height of the arc). The method of claim 1, The waist strengthening exercise apparatus 100, Simultaneously pressing the center side of the first board 123 to the upper side of the power cylinder 130, the second board 124 is rotated by the rotation shaft 127 built into the square frame 110, the third board 125 The guide roller 128 of the waist is characterized in that the waist board 120 comprises a rounded arc shape by moving in a predetermined range in the inward direction along the guide groove 114 of the rectangular frame 110 Strengthening fitness equipment. The method of claim 12, When the arc shape of the waist strengthening exercise apparatus 100 is variable, the gas bar 150 is mounted between one side of the third board 125 and the square frame 110 so that the waist board 120 is gradually moved when the waist board 120 is moved from the arc shape to the original position. Reinforcement exercise equipment, characterized in that further provided with a deceleration means for reducing the moving speed. The method of claim 12, The waist strengthening exercise apparatus 100, The controller 160 having a control means for allowing the waist board 120 to adjust the vertical height in the shape of an arc in the quadrangular frame 110 and the left and right rotations selectively about the rotation axis 104 of the support 102. Waist strengthening exercise equipment characterized in that it further comprises a).

Images