CPC A61H 1/0229 (2013.01) [A61H 1/005 (2013.01); A61H 2201/1669 (2013.01); A61H 2201/1671 (2013.01); A61H 2201/5064 (2013.01); A61H 2203/0456 (2013.01); A61H 2203/0468 (2013.01); A61H 2203/0475 (2013.01)] | 11 Claims |
1. An exercise apparatus for lumbar stabilization, comprising:
a first sub-antigravity module configured to apply a predetermined force to an upper body in a direction opposite to gravity;
a second sub-antigravity module configured to apply a predetermined force to a lower body in the direction opposite to gravity;
a base frame comprising a first rotating plate configured to support the first sub-antigravity module to be rotatable about a first vertical rotary shaft extending vertically and a second rotating plate configured to support the second sub-antigravity module to be rotatable about a second vertical rotary shaft extending vertically,
wherein each of the first and second sub-antigravity modules comprises:
a cushion configured to support the upper or lower body;
a support comprising a horizontal support rotatably installed on the first or second rotating plate, a vertical support configured to connect the first or second rotating plate and the cushion and linked to the cushion so that the cushion is rotatable about a horizontal rotary shaft extending horizontally, and a connecting support configured to connect the horizontal support and the vertical support; and
an elastic actuator configured to connect the first or second rotating plate and the cushion and to apply an antigravity force to the cushion.
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