Patent ID: 7931567
Filing Date: 2011-04-26
Classification: A61F,A63B

Abstract:
1. An exercise apparatus for isolating an ankle during aerobic exercise on a bicycle comprising a thigh cuff, a calf cuff, a bottom plate, an outer hinge joint, an inner hinge joint, a pedal or crankshaft retention member configured to secure the bottom plate to a pedal or crankshaft of a bicycle, at least one rigid member connecting the thigh cuff to the outer and inner hinge joints, at least one rigid member connecting the calf cuff and the bottom plate to the hinge joints, the apparatus configured to be worn on the leg of a person having an ankle injury so that when the bottom plate is secured to a pedal or crankshaft, the person may operate the bicycle with the leg having the ankle injury without pressure on the ankle, wherein weight and force are distributed from the pedal to the calf and thigh without implicating the ankle; wherein said retention member is the only interconnection between said bottom plate and the pedal or crankshaft, such that no forces are exerted on the bottom of the user's foot during operation of the bicycle.