A locking device for an exercise system may include a locking member having a contact portion and configured to move between a first position and a second position. When in the first position, the contact portion of the locking member is not in contact with the resistance mechanism of the exercise system, thereby allowing movement of the at least one moveable assembly. When in the second position, the contact portion of the locking member is in contact with the resistance mechanism of the exercise system, thereby preventing movement of the at least one moveable assembly. The device may also include an electrical actuating device having an actuator for selectively engaging the locking device and moving the locking device between a first position and a second position.

A physical exercise apparatus includes a frame, a seat, an arm, and a pair of cycling hand pedals. The seat is supported by the frame and is configured to support a user in an at least partially supine position. The arm is movably attached to a first portion of the frame and coupled with a linearly movable resistance load. The pair of cycling hand pedals is attached to a second portion of the frame and is independently movable from the arm so that the user can cycle the pair of cycling hand pedals while separately moving the arm with a portion of his or her lower body.

An exercise apparatus is provided having a handle pivotally attached to a flat base, the base and handle having optional weights, the flat base providing resistance when the handle moves the base along a surface.

An exercise machine may include a frame with foot pedals mounted thereon and a seat having an inflatable bladder whereby the user may undertake a cardiovascular workout and a core workout of abdominal and back muscles.

A step exercise apparatus with a self-centering pedal system. The system comprising a frame and a seat supported from the frame. A first pedal assembly and a second pedal assembly are pivotally supported from the frame positioned so as to be manipulable by a user seated in the seat. A linkage is positioned in communication with the first pedal assembly and the second pedal assembly such that movement of either pedal assembly in a first direction causes movement of the other pedal assembly in a second direction opposite of the first direction. A brake is preferably employed for resisting motion of the first pedal assembly and the second pedal assembly in at least the first direction. A centering system positions the first and second pedal assemblies in a substantially central position when not being manipulated by the user.

An exercise apparatus for performing an abdominal exercise comprising:

a frame,

a seat having a seating surface (PS) and a pelvic stabilization pad having a lower back engagement surface (ES),

an input arm assembly interconnected by a first interconnection to a first resistance mechanism,

the input arm assembly including a manually graspable mechanism for manual engagement by a user along a path of travel forwardly away from the pelvic stabilization pad.

An apparatus for musculoskeletal stimulation allows independent electronic control of vibration parameters and overall biasing force so that an optimum combination of these parameters may be obtained regardless of the user's weight and without the need for adjustment of mechanical weights or springs.

A low friction rehabilitation board having an integral band retaining feature is described. The rehabilitation board may have a coefficient of static friction of no more than about 0.5 and in some embodiments no more than about 0.06. The rehabilitation board has a plurality of band retaining feature configured along one or both ends and may be an integral band retaining features being formed in the board. Additionally, the rehabilitation may include one or more band retaining features on one or both sides of the board. The unique configuration of the band retaining features enables rehabilitation method heretofore not possible with a single board. Resistance bands may be retained in the band retaining features and coupled to a user's limb, such as a foot or ankle, to resist motion, such as sliding or extending the foot along the low friction surface of the rehabilitation board.

An independent stretching device comprises a back brace configured to pass across and brace against a user's back. A first connector is secured to a first end of the lower back brace, and is threaded through a first pulley. A second connector is secured to a second end of the lower back brace on an opposite side of the user to the first end of the back brace, the second connector being threaded through a second pulley. A foot stirrup is provided for receiving a foot of the user, and has a first end connected to the first pulley and a second end connected to the second pulley. Tension applied to respective distal ends of the first and second connectors distal from the back brace creates tension which urges the foot stirrup and the back brace toward each other.

A multi-limb exercise machine and method that includes a plurality of user-movable input components, an input measurement device associated with each of the input components, a feedback device for providing the user with output information that indicates the difference between a current performance level and a performance target, and a processor that receives input information about user effort applied to each of the input components and communicates the output information to the feedback device. The input components are each configured to be moved by a limb of a user and to resist being moved. The processor determines the difference between performance levels based at least in part on a reward bias that decreases the difference more for effort applied to one of the input components than for effort applied to another of the input components.