| 摘要 |
A heel-cradle exercise device and footrest having a base structure, and internal cavity with the geometry to funnel all forces entering said cavity onto the base plate at the internal apex of the funnel shape cavity, a means of straps for fixing or holding one's foot in a flexed position, two brackets mounted on the external portion of the funnel shaped cavity cable of attaching an external anchoring mechanism and also to hold said straps in relative position, having on the bottom of said base structure feet, foot pads or the like, supports having a high friction coefficient to restrict motion of said base unit on the floor surface, having an internal cavity to receive a material to increase its density of the base unit, having an access point to act as an entry point to insert said material such as to the increase the weight of the base unit.
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