Patent ID: 8439854
Filing Date: 2013-05-14
Classification: A61H,A63B

Abstract:
1. An ankle strengthening apparatus for attaching to a user's foot, the apparatus comprising: a foot retention member having a first top surface, a first bottom surface, a first length defining a first axis, and a first width, the foot retention member comprising means for attaching to the user's foot; a weight attachment member rotatably attached to the foot retention member, the weight attachment member having a second top surface, a second bottom surface, a second length and a second width, the second length defining a second axis, the weight attachment member rotatable through a plurality of angular positions with respect to the foot retention member, each angular position having an angle that is defined by a position of the first axis with respect to the second axis, the angle ranging from 0 to 359 degrees; a first locking means for selectively locking the angle of the first axis with respect to the second axis; the weight attachment member further comprising a slot in axial alignment with the second axis, the slot fully penetrating from the second top surface to the second bottom surface; and a weight slideably attached to the slot with a fastening or second locking means for locking a position of the weight with respect to the slot, wherein the weight is moveable along a length of the slot.