A device and method for exercising that includes a main axle, a cord spool attached to the main axle, a cord wrapped around the cord spool, resistance modules, and a resistance selector. The drum of each resistance module attaches to the main axle. The drum of each resistance module is attached to a spring configured to resist the cord being pulled from the cord spool. The drums of the resistance modules are configured with engagement patterns that allow for the drums of adjacent resistance modules to couple together. The resistance selector determines how many resistance modules are coupled together. The resistance level of the device can be adjusted to the desired resistance level by coupling together the desired number of resistance modules.

A hand, wrist and forearm exercise device includes a resistive hand grip exerciser disposed at each end of a flexible, elongated resilient member. The flexible, elongated resilient member is arcuately bendable along a longitudinal axis and also one end is twistable relative to the another end along the longitudinal axis.

An exercise and flexibility assessing apparatus includes a handle having a flexible member opening and a latch opening formed therein. A shaft support is mounted in the handle. The shaft support has a first wall and a second wall, distal from the first wall. A spool is rotatably mounted between the first wall and the second wall. A flexible member with indicia for assessment has a first end fixedly connected to the spool and a second end extending outwardly from the handle through the flexible member opening. A latch mechanism has an activating portion that extends outwardly of the spool toward the latch opening and a latching portion pivotally engaging the first wall. The latching portion is movable between a first position wherein the spool is rotatable with respect to the handle and a second position wherein the spool is fixed with respect to the handle.

A foldable portable exercise machine allowing a user to perform exercise while sitting on a chair/sofa, or lying on their back on the floor. The exercise machine is portable and may be folded up for storage when not used. The exercise machine includes a base structure having a pair of rigid arms and a base bar, such that a first end of each of the rigid arms is securely fastened to opposite ends of the base bar to form a U-shape. A pair of rotatable arms is rotatably connected, through a first and second hinges, to a second end of the rigid arms. A spring mechanism is disposed surrounding the first and second hinges to provide a first and second resistance forces. Each of the rotatable arms are attached an handle bar.

A rotatable disc exercise apparatus is disclosed that includes a first disc having a first outer planar surface and a first inner surface, a second disc fastened to the first disc and rotatably supported on the first disc by a first annular set of ball bearings and a second annular set of ball bearings. The second disc has a second outer planar surface and a second inner surface facing the first inner surface. A single biasing member sandwiched between the first and second discs resiliently biases the second disc to a neutral rotational position between the discs. The first annular set of bearings is captured between the inner surfaces by an annular outer wall of one of the discs and an inner annular rib of the other one of the discs. The second set of bearings is carried in an annular race between the first and second inner surfaces.

A joint for a rehabilitation device and a rehabilitation device are disclosed. The joint is defined for operation between an end of a first member and an end of a second member. The joint enables the second member to pivot at the joint with respect to the first member. The joint includes a positioning mechanism for defining a set position from which the second member pivots. The joint also includes a restriction mechanism for restricting the degree of pivoting of the second member, from the set position. The joint further includes a biasing mechanism for biasing the second member such that it returns to the set position when an opposing force applied to the second member is less than the bias of the biasing mechanism. When the joint is in the set position, the biasing mechanism is configured such that no bias is applied to the second member.

A portable multipurpose whole body exercise device which can be used for general fitness, Pilates-type, core strengthening, therapeutic, and rehabilitative exercises as well as stretching and physical therapy and which includes storable accessories that can be withdrawn from storage within the device and subsequently secured to the main tubular portion of the apparatus. The storable accessories can be used for a variety of resistance, stretching, and strength training exercises.

Exerciser for strengthening the grip of the hand and/or muscles of the forearm having a pair of handgrips or handles which are removably mounted on the arms of a helical torsion spring in a manner permitting the grips to be used interchangeably with springs having different strengths or resistances. The handgrips are fabricated at least in part of rubber or other rubberized material with longitudinally extending bores having resilient side walls configured for frictional engagement with spring arms of different diameters in a manner that permits rotational slippage of the handgrips about the spring arms and limits axial movement of the handgrips on the spring arms when the grip exerciser is in use and permits the handgrips to slide axially along the spring arms during installation and removal of the handgrips.

An apparatus for exercising uses one or more spring member that provide a constant force. The apparatus may include one or more grips, tethers, and spring elements that are either connected or secured to one another. The apparatus may also use a free floating object.

A portable device includes a coil spring and pedal structure that aids travelers on long trips and individuals with impaired muscle tone and/or blood and fluid circulation issues to minimize the possibility of blood clot formation through exercise. The device includes an elongated platform with two wells to receive coiled springs that are secured to both a pedal structure and the platform. The pedals, coiled springs and platform are configured to permit a range of motions so that travelers or impaired individuals can engage in exercise regimens that enhance blood flow by selectively exerting pressure on the pedals that compress the coil spring.