Patent ID: 8667863

Claim:
A foot cradle apparatus of a muscle training device, the apparatus comprising: a foot cradle having a tread and a side wall, the side wall partially limiting the tread; and a fixation unit configured to fix a human foot in the foot cradle, the fixation unit being formed as a lockable and pivotable bracket, whose pivot bearing has a pivot axis oriented substantially parallel to a longitudinal axis of the foot cradle, the fixation unit being arranged on a bearing unit that is fixedly connectable, at least indirectly, to the foot cradle, the bearing unit being attached to an inner portion of the side wall of the foot cradle, wherein the bracket is configured to be moved from a first position, in which the foot cradle is opened, against the force of a first spring reversibly to a lockable second position, in which the foot cradle is closed, and wherein the bracket is pre-tensioned by said first spring to pivot back from the second position to the first position when the locking is released.