A weight training sled having (i) a chassis, (ii) longitudinally spaced rotatable wheels in contact with ground, (iii) a pair of laterally spaced push handles proximate a first longitudinal end of the chassis and (iv) a brake for applying resistance to one of the wheels, characterized by an elevated tow hook.

An exercise machine support system for providing increased versatility including inclination or declination of an exercise surface, a reduction in the overall length and width of the exercise machine, and an enhanced user interface which reduces the risk of injury. The exercise machine support system generally includes a cantilevered exercise machine which is adapted to have a variable angle of incline or decline with respect to a horizontal ground surface. The exercise machine will generally include a base and a support which extends between the base and the exercise machine. The upper end of the support is connected to the exercise machine by a first pivot such that the exercise machine pivots about the support. An adjustment device may be utilized to pivot the exercise machine and thus adjust its angle of incline. Various types of adjustment devices are disclosed, including an actuator, ratchet-and-pawl, gears, and cam.

A treadmill may include a deck, a first pulley incorporated into the deck, a second pulley incorporated into the deck, a tread belt surrounding the first pulley and the second pulley, a motor in mechanical communication with at least one of the first pulley and the second pulley to move the tread belt in a first direction, and a runaway mitigation mechanism in at least indirect mechanical communication with the motor. The runaway mitigation mechanism at least mitigates a motor runaway condition.

Disclosed is a stroller propulsion apparatus, comprising a pair of elongated handles attached to a handlebar of a stroller. The elongated handles further comprise a grip and a resistance element. By using the grips, the user applies a pressure on the handles and the resistance element to move the handles in a forward direction and a rearward direction in a reciprocating motion propelling the stroller in the forward direction to allow a user to maintain an ergonomic positions while walking and exercising.

A method for exercising muscles in an ankle, foot, and/or leg of a user includes positioning a foot of a user onto a first body of an exercise device. The first body is spaced away from a second body of the device and pivotably connected to the second body of the device at a pivot axis. The pivot axis is adjacent to a central portion of the first body. The method includes rotating the first body about the pivot axis, with the foot, against a first resistive force. Rotating the first body includes subjecting the foot to a first motion. The method includes positioning the foot onto the second body. The method includes rotating the second body about the pivot axis, with the foot, against a second resistive force. Rotating the second body includes subjecting the foot to a second motion, the second motion being different than the first motion.

Rowing machines are described that permit a rower to adjust the rowing resistance using a gear shift mechanism. The rowing machine includes a handle connected to a chain, which passes, sequentially, over a derailleur and then to the gears of the gear cassette. The gear cassette is coupled to a resistance unit, which may be similar to resistance units used in off wheel bicycle trainers. This configuration of derailleur and gear cassette permit the rower to smoothly select a gear.

A hydraulic resistance exercise apparatus is disclosed. The apparatus has a frame adjustably supporting at least one drum body. One of an arm bar and a leg bar pivotally attached to the at least one drum body. A hydraulic vane cylinder is carried in each the at least one drum body. The hydraulic vane cylinder has one or more hydraulic channels and at least one vane coupled to one of the arm bar and the leg bar, such that operation of one of the arm bar and the leg bar urges a hydraulic fluid contained within the hydraulic vane cylinder under a resistance by passage of the hydraulic fluid through the one or more hydraulic channels.

A hydraulic resistance exercise apparatus is disclosed. The apparatus has a frame adjustably supporting at least one drum body. One of an arm bar and a leg bar pivotally attached to the at least one drum body. A hydraulic vane cylinder is carried in each the at least one drum body. The hydraulic vane cylinder has one or more hydraulic channels and at least one vane coupled to one of the arm bar and the leg bar, such that operation of one of the arm bar and the leg bar urges a hydraulic fluid contained within the hydraulic vane cylinder under a resistance by passage of the hydraulic fluid through the one or more hydraulic channels.

An exercise machine adjustable resistance system and method for efficiently varying the workout resistance for an exercise machine. The exercise machine generally includes a carriage movably positioned with respect to the at least one rail, a plurality of springs selectively connectable to the carriage to provide a resistance level to the carriage, a plurality of electrically actuated mechanical devices adapted to latch a corresponding one of the plurality of springs to the carriage when in the latch state and unlatch a corresponding one of the plurality of springs to the carriage when in the unlatch state and a control unit in communication with the plurality of electrically actuated mechanical devices to selectively control the state of each of the plurality of electrically actuated mechanical devices to be within the latch state or the unlatch state.

An exercise machine adjustable resistance system and method for efficiently varying the workout resistance for an exercise machine. The exercise machine generally includes a carriage movably positioned with respect to the at least one rail, a plurality of springs selectively connectable to the carriage to provide a resistance level to the carriage, a plurality of electrically actuated mechanical devices adapted to latch a corresponding one of the plurality of springs to the carriage when in the latch state and unlatch a corresponding one of the plurality of springs to the carriage when in the unlatch state and a control unit in communication with the plurality of electrically actuated mechanical devices to selectively control the state of each of the plurality of electrically actuated mechanical devices to be within the latch state or the unlatch state.