Abstract: A therapeutic recumbent chair having back and leg cushions and including an adjustable lumbar support member and an adjustable scapula region support member, each within the back cushion and movable toward and away from a front surface of the back cushion for adjustment of the support members against the back cushion for comfortably supporting the back of a user when the user is seated in the chair. Varying the positions of the adjustable lumbar support member and of the adjustable scapula region support member allows the chair to be configured to properly support a user's back when the user is in a recumbent position, for minimizing back problems of a user and for treating back disorders.

Abstract: A universal aquatic exercise machine that includes a plurality of exercise devices, for example, a first exercise device rotatably mounted on a base that moves through a rotary path of motion, a second exercise device rotatably connected to the base that moves back and forth in a reciprocating motion and a third exercise device mounted on the base for reciprocating back and forth motion. The aquatic exercise machine includes a pivoting seat that permits the exercise devices to be performed in either a seated or an erect posture. The exercise devices may have fixed area resistance elements or variable area resistance elements. In addition, underwater footwear facilitates submerged leg exercises and activities such as sliding, skating and other activities.

Abstract: A nonmotorized aquatic treadmill including an endless looped belt made from a meshed material to substantially reduce the friction between the meshed belt and the deck of the treadmill. In one embodiment, the treadmill includes fixed curved end pieces mounted at each end of the deck over which the meshed belt slides.