An adjustable resistance exercise machine for providing variable resistance forces on a pull cable extending from the machine. The adjustable resistance exercise machine generally includes a plurality of power springs that may be selectively engaged using an adjustment mechanism. By engaging springs with different forces, the resistance may be adjusted incrementally as preferred for performing different exercises. The adjustable resistance exercise machine may be connected to various structures, either below or above an exerciser, to allow the exerciser to choose whether to pull the pull cable up or down during exercise.

A training device comprising first and second handle sections each comprising a tubular member, the first and second handle sections connected along their longitudinal axis by a resilient tensioning member, a tubular connecting section positioned between the two handle sections and configured to cover the resilient tensioning member and maintain a rigid connection between the first and second handle sections so that the first and second handle sections may move only along their longitudinal axis, a blocking member attached to the first handle section, and a sliding member positioned on the first handle section such that it can slide axially along the first handle section with little resistance until it reaches the blocking member, wherein the sliding member is constrained from any further axially movement when it contacts the blocking member.

A baseball hitting/training device consisting of a hitting tee and a baseball. The ball is preferably permanently bonded/molded to a spring. In a preferred arrangement, the ball rests upon an upper tee shaft segment which acts to protect the spring. A length of the spring extends from the ball, through the upper tee shaft segment and into a middle tee shaft segment. A retainer fastens the spring to the middle tee shaft segment. The middle tee shaft segment is inserted into a lower tee shaft segment. The lower tee shaft segment is fixed to a base. When hit with a bat, the baseball remains attached to the tee by the spring and then springs back to its original upright position.

A bathtub exercise auxiliary apparatus includes: a first support, a bathtub, a second support, a traction unit and an exercise rack. The first support includes a plurality of base rods, traverse rods, longitudinal support rods, and longitudinal assembling rods. The bathtub is disposed in the first support and includes a trough and a plurality of housing portions. The second support is removably fixed to the first support, located above the bathtub, and includes a plurality of longitudinal connecting rods fixed to the longitudinal assembling rods, two parallel traverse connecting rods connected to the longitudinal connecting rods, two traverse rods connected between the longitudinal connecting rods, and two longitudinal rods connected to the traverse rods. The traction unit is disposed at the connections of the longitudinal rods and the traverse rods. The exercise rack is disposed between the traverse connecting rods, bridges over the trough, and includes a griping portion.

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.

An exercise machine with electromagnetic resistance selection for changing exercise resistance settings by engaging more or fewer resistance biasing members using a electromagnets. An example implementation includes a movable carriage configured to move substantially along the length of one or more rails. A plurality of resistance biasing members are removably attachable between a stationary biasing member bracket affixed to the machine structure and the movable carriage. A controller changes the resistance settings against the movable carriage by electrically attaching or detaching any preferred number of resistance biasing members between the machine structure and movable carriage.

Exerciser for strengthening the grip of the hand having a pair of handles which are removably mounted on the arms of a helical torsion spring in a manner permitting springs having different strengths or resistances to be used interchangeably with the handles. The handles can be constrained against rotation on the spring arms, allowed to rotate freely, or allowed to rotate to a limited degree, depending upon the needs of the user.

Apparatuses and methods for motion and muscle training are disclosed. An apparatus includes a first retractor device, a second retractor device and a body gear unit for engaging a human. The body gear unit is attached to the first retractor device and the second retractor device. The first retractor device and the second retractor device each provide a constant non-variable load and constant resistance in opposite directions. A method includes attaching a body gear unit to a body, attaching first and second retractor devices to the body gear unit, and performing at least one movement using the body gear unit. The at least one movement is performed in a direction that is opposite to a direction of resistance of the first retractor device. A direction of resistance of the second retractor device is opposite to the direction of resistance of the first retractor device.

A finger weight device is provided with two arcuate jaws. Each jaw having a lower portion with tines extending therefrom and are connected together at an upper portion by a hinge. The jaws have an inwardly facing surface configured to enclose around a finger of a person. A spring is configured to urge the tines towards each other such that the inwardly facing surface of the jaws secure the device about the finger. Each jaw has an handle extending from the upper portion, which when moved towards each other causes the tines to separate from each other. At least one weight receiving portion, and at least one weight corresponding to the receiving portion is provided for adding a desired weight to the device.

Person support apparatuses having exercise features are disclosed herein. In various embodiments, a person support apparatus includes a support surface, a footboard, a sensor, and a passive resistance mechanism. The support surface has a foot end and a head end, and the footboard is located near the foot end of the support surface, extending above the support surface. The footboard may include a pressure surface positioned to receive a pressing force. The footboard is freely slidable from an extended position to a retracted position with respect to the foot end of the support surface. The sensor provides a signal indicative of a magnitude of the pressing force incident on the pressure surface of the footboard. The passive resistance mechanism is coupled to the footboard, and resists a motion of the footboard to the extended position.