Abstract: A step exercising system for an aerobic step workout is constructed as a portable inclined step ramp. The ramp is sloped towards a user such that the user can step up onto the ramp at various heights, thereby regulating the degree of intensity of the workout without having to suspend the workout to adjust the step height, as is the case when using a conventional aerobic step having a raised level platform.

Abstract: A step exercising system for an aerobic step workout is constructed as a portable inclined step ramp. The ramp is sloped towards a user such that the user can step up onto the ramp at various heights, thereby regulating the degree of intensity of the workout without having to suspend the workout to adjust the step height, as is the case when using a conventional aerobic step having a raised level platform.

Abstract: A multipurpose exercise device comprises a pair of side members each having a concave surface adapted to engage one of the thighs of a user. Each of the side members is supported in sliding engagement by a corresponding frame and operatively attached to a resilient member that urges the side member toward the open side of the concave surface. The frames can be fixed in various orientations. In one orientation of the frames, the side members face each other with the concave surfaces both opening inward. The user's legs are placed between the side members and moved apart against the urging of the resilient members to exercise the thigh abductor muscles. IN another orientation, the frames are oriented so that the side member face away from each other with the concave surfaces both opening outward. The device is placed between the user's legs and the user moves his/her legs together against the urging of the resilient members to exercise the thigh adductor muscles.

Abstract: An exercise device of the type employing an elastic cable to provide a restoring force comprises a handle attached to a plurality of elastic cables. The plurality of elastic cables are selectively attachable to a retainer assembly to provide a wide range of variation in restoring force exerted against the handle. The plurality of cables may also be enclosed in a flexible sheath to prevent the unattached, inactive cables from becoming entangled with each other or with the attached, active cables.

Abstract: An exercise device for exercising all of the major muscles comprising the upper and lower abdomen and back, while avoiding undue stress on the lumbar and cervical spinal discs and the muscles comprising the lower back and hip flexors. The device provides rigid upper and lower back supports which are pivotally joined at a point which restricts flexure of the spine to the T10-L1 region. Resistance means attach to the pivotal portions of the device to allow adjustable resistance to exercise motions.

Abstract: A striding exerciser comprises a pair of pedals or platforms, each suspended from a frame by a linkage such that the pedals move back and forth through an arc to simulate a natural walking or striding motion. Preferably the linkage is a triangulated four bar linkage, which permits the pedals to move freely back and forth while providing substantial lateral rigidity to resist side-to-side motion. In one embodiment of the invention, a pair of handles are pivotally attached to the frame behind and to the side of a user standing on the platforms. Each of the handles is connected to the corresponding four bar linkage, such that motion of a platform is translated into motion of the corresponding handle. In another embodiment the triangulated four bar linkages share a common pivot shaft and are acted on by a common resistance mechanism such that equal resistance is applied to both platforms.

Abstract: A device for exercising the muscles of the gluteal region comprising a rigid frame formed as an elongated bar. A hip support is rotatably attached to the middle of the frame and a back support is attached to the hip support. The device further comprises a bootie having elastic resistance members connected to the toe and heel portions of the bootie.

Abstract: An adjustable, recoiling aerobic exercise bench which reduces the generation and transmission of impaction forces on a user's joints while performing conventional and power step exercises includes a resilient platform slidingly disposed in left and right housings which function to support the platform above and relative to an exercise floor surface. Lateral platform recoiling assemblies are disposed between the platform ends and inside lateral walls of the housings and are adapted to generate lateral, resistive, restoring forces when the platform is moved downward during operation of the device. A vertical platform recoiling assembly which includes a plurality of rigid tubular spring retainers and telescoping springs, is mounted beneath the undersurface of the platform and is of sufficient length so as to make contact with the exercise floor surface to generate a vertical platform resistive restoring force when the platform is downwardly compressed.

Abstract: A treadmill having a frame with first and second rollers mounted at opposite ends of the frame and an endless tread belt placed about the rollers. The treadmill further including a flywheel attached to the frame and coupled to the first roller for rotatably driving the flywheel at a rate of rotation greater than the rate of rotation of the first roller. The coupling mechanism comprises a first drive wheel attached to the flywheel and a second drive wheel attached to the first roller with an endless drive belt placed around the drive wheels.

Abstract: An exercise device for exercising all of the major muscles comprising the upper and lower abdomen and back, while avoiding undue stress on the lumbar and cervical spinal discs and the muscles comprising the lower back and hip flexors. The device provides rigid upper and lower back supports which are pivotally joined at a point which restricts flexure of the spine to the T10-L1 region. Resistance means attach to the pivotal portions of the device to allow adjustable resistance to exercise motions.

Abstract: An exercise device adapted for use by a person, comprising:a first ring having a predetermined diameter, an inner surface, and an outer surface;a second ring concentric to the first ring and rotatably retained by the first ring;and components for providing isokinetic resistance to rotation of the second ring andfor sensing predetermined characteristics of said second ring during rotation and providing sensor signals corresponding to said sensed characteristics;whereby a person applying a torque in a first direction of rotation causes rotation of the second ring in the first direction of rotation against the isokinetic resistance and the sensing components in response to said rotation sense said predetermined characteristics which are subsequently converted into sensor signals.

Abstract: An adjustable, recoiling aerobic exercise bench (20) which reduces the generation and transmission of impaction forces on a user's joints while performing conventional and power step exercises including a resilient platform (22) slidingly disposed in a left and right housings (36 and 38) which function to support the platform (22) above and relative to an exercise floor surface (42); a lateral platform recoiling assemblies is disposed between the platform ends (24 and 26) and inside lateral walls of the housings (36, 38) and adapted to generate lateral, resistive, restoring forces when platform (22) is moved downward during operation of the device (20); vertical platform recoiling assemblies (62), which includes a plurality of rigid tubular spring retainers, telescoping springs (90) mounted the undersurface of the platform and of sufficient length so as to make contact with the exercise floor surface (42) to thereby generate a vertical platform resistive restoring force when platform (22) is downwardly compre

Abstract: A reciprocating variable isotonic resistance upper extremity and upper torso exercising belt for use while performing predominantly lower extremity and lower torso aerobic exercises.

Abstract: A golf swing training and muscle exercising device for a full-range of motion golf swing including a rotatable ring rotatable within a stationary ring; a golf club holder sub-assembly for providing hydraulic isokinetic resistance to rotation of the rotatable ring; and an electronic monitoring sub-assembly.