Patent ID: 7540830

Claim:
A device for stabilizing a leg of a user, the device comprising: a first link having a first end and a second end, the first link generally defining a longitudinal axis extending between the first end and the second end; a second link having a first end and a second end; the first and second links being rotatably coupled to each other at a first pivot point, the first pivot point being located at first ends of the first and second links, the first pivot point defining a first axis of rotation; a collar rotatably coupled to the second end of the first link at a second pivot point, the second pivot point defining a second axis, wherein the collar rotates about the second axis of rotation; and the collar being configured to be connected to a portion of the leg, the portion of the leg being between the knee and the hip of the leg; the second end of the second link being rotatably attached to a stationary anchor point at a third pivot, the third pivot defining a third axis of rotation, wherein the second link rotates about a third axis; and wherein the stationary anchor point is a portion of an exercise machine.