Abstract: An exercise and therapeutic device having a patient support suspended upon a pneumatic spring. The pneumatic spring is extendable and retractable over an operative extension range during a patient treatment session. The operative extension range includes a low level oscillation range such as occurs when a patient runs on a treadmill and a high level oscillation range such as when a patient performs kneebends, squats, hops and jumps. The pneumatic spring is adapted to impart continuous upward force upon the patient support during a treatment session in a manner so that the upward force has a substantially hyperbolic magnitude across both the low level oscillation range and the high level oscillation range. The pneumatic spring includes a piston reciprocatingly and sealingly engaged within a cylinder. The piston divides the cylinder into two variable chambers.

Abstract: An apparatus adapted for coupling between an attendant positioned either behind or in front of a patient on an exercise assembly such as a treadmill for rehabilitation of a functionally impaired leg of the patient such as one suffering from paralysis. The apparatus comprises a leg appliance secured to a patpatient'sg, with a leg bracket adjacent to the knee. A leg brace secured to an attendant's leg also includes a bracket adjacent to the attattendant'see. At least one connecting member provides coupling from the leg bracket to the bracket of the leg brace to transmit motion from an attendant's leg to a patient's leg using forces acting from the leg brace to the leg appliance through the connecting member. An ankle appliance having an upper extension and a lower extension proximate the ankle is attached to a patient's foot and an ankle brace is similarly attached to an attendant's foot.

Abstract: An exercise and therapeutic device having a patient support suspended upon a pneumatic spring. The pneumatic spring is extendable and retractable over an operative extension range during a patient treatment session. The operative extension range includes a low level oscillation range such as occurs when a patient runs on a treadmill and a high level oscillation range such as when a patient performs knee-bends, squats, hops and jumps. The pneumatic spring is adapted to impart continuous upward force upon the patient support during a treatment session in a manner so that the upward force has a substantially hyperbolic magnitude across both the low level oscillation range and the high level oscillation range. The pneumatic spring includes a piston reciprocatingly and sealingly engaged within a cylinder. The piston divides the cylinder into two variable chambers.

Abstract: An apparatus adapted for coupling between an attendant positioned either behind or in front of a patient on an exercise assembly such as a treadmill for rehabilitation of a functionally impaired leg of the patient such as one suffering from paralysis. The apparatus comprises a leg appliance secured to a patpatient'sg, with a leg bracket adjacent to the knee. A leg brace secured to an attendant's leg also includes a bracket adjacent to the attattendant'see. At least one connecting member provides coupling from the leg bracket to the bracket of the leg brace to transmit motion from an attendant's leg to a patient's leg using forces acting from the leg brace to the leg appliance through the connecting member. An ankle appliance having an upper extension and a lower extension proximate the ankle is attached to a patient's foot and an ankle brace is similarly attached to an attendant's foot.