The present device generally relates to a portable and configurable exercise apparatus. The apparatus has a main aim unit and a removable foot unit. The main arm unit has a first hand grip and a second hand grip separated by a main telescoping shaft wherein pulling the first grip away from the second grip requires resistance and, therein develops strength. The device is configurable so as to allow the user to select the desired resistance. The removable foot unit may be temporarily inserted over the first or the second hand grip so that a user may place his/her feet (either standing, sitting or squatting) over the first or second hand grip and may pull upward with the remaining hand grip to exercise alternative muscles. The first and the second hand grip may rotate with respect to the main body shaft to allow alternative exercises.

An exemplary variable force pneumatic exercise staff comprises at least one staff segment including a pneumatic cylinder and a handle element. The pneumatic cylinder is elongated and has a handle engagement end and a staff first end disposed oppositely of one another. The pneumatic cylinder is actuatable between a compressed configuration and an extended configuration such that a cylinder length is greater in the extended configuration than in the compressed configuration. The handle element is affixed to the handle engagement end. The cylinder is configured to user-adjustably provide an extension resistance force for resisting the actuation toward the extended configuration, and a compression resistance force for resisting the actuation toward the compressed configuration. The cylinder may include a resistance controller allowing a user to manually adjust the extension and compression resistance forces. A segment coupler may be configured to rigidly couple the staff segment to a second staff segment.

An apparatus for physical exercise comprising a resistance arrangement having at least one hydraulic cylinder adapted for providing resistance forces in at least a first and a second direction, the apparatus having a force transmission assembly through which the resistance forces are operable. The force transmission assembly having at least one actuation member being in operable engagement therewith and being adapted to transfer forces generated by a user in at least two directions of motion to the at least one hydraulic cylinder via the force transmission assembly. The resistance forces created by the at least one hydraulic cylinder opposing the user generated forces.

The spa rowing adapter is a device for installation within an existing pool or spa that transforms the pool or spa into a rowing machine. The user grips lever arms, pulling on the arms from a seated or standing position in a rowing motion. In contrast to the prior art, the spa rowing adapter uses a resistance cylinder rather than floppy resistance bands or bungee cords. The resistance cylinder provides an adjustable amount of resistance during both the extending and retracting motions. The resistance cylinder changes length in response to a force, with the resistance of the motion set by an internal mechanism. The internal mechanism is adjustable by the user through rotation of a collar.

A dual-purpose rehabilitation machine includes a base, a fixed rod unit, a mobile device, several fastener belts and a driving unit installed behind the fixed rod unit so as to shorten a distance between a user and the fixed rod unit such that when a piston unit of the driving unit is moved to a second position, the user is lifted upward from a bed or chair to abut against the fixed rod unit. The fastener belts are mounted on the mobile device, thereby eliminating the employment of a belt-fixing rod and avoiding collision of a user's head against the belt-fixing rod, which in turn, economizes the storage space and the manufacturing expense. The fastener belts are distributed on several parts of the patient to assist in stable standing up of the patient and preventing wobbling of lower parts of the patient when standing up.

A supporting apparatus used in a treadmill positioned on a supporting surface and including a base frame, a treadbase pivotally connected to the base frame and biasable between a reclined position and an upright position and a linkage pivotally coupled between the treadbase and the base frame. The base frame includes a supporting shaft inserted through the base frame and slidably supportable on the supporting surface and defining opposing first and second supporting sections that are respectively extended out of two opposite lateral sides of the base frame in such a manner that a length of the first supporting section is greater than a length of the second supporting section when the treadbase is in the reclined position, or smaller than the length of the second supporting section when the treadbase is in the upright position.

An exercise machine resistance adjustment system for providing an exerciser the ability to immediately adjust the resistance force by changing their body position on the movable carriage or end platforms. The exercise machine resistance adjustment system generally includes a frame, a carriage movably positioned on the frame, a spring connected to the carriage to apply a biasing force to the carriage, one or more left projections within the carriage adapted for a left hand of an exerciser to grasp, and one or more right projections within the carriage adapted for a right hand of an exerciser to grasp. The exerciser is able to efficiently adjust the amount of resistance force applied to the carriage by repositioning their hands (or feet) from a first set of projections at a first distance to a second set of projections at a second distance from the first end of the exercise machine.

An exercise device including two foot platforms riding on elongated rails for longitudinal motion relative thereto. The platforms are directly connected to each other by one or more elastic elements. The platforms are also connected by linear and/or rotary dampers to provide motion damping. In addition, weights and/or flywheels may be used to smooth the oscillations. When the two platforms are side-by-side, the elastic elements run in a substantially crosswise direction. A seated user may place the user's feet on the platforms and move his/her feet and lower legs back and forth in a scissoring motion to move the platforms in opposing directions along the rails. In so doing, the user overcomes the resistance of the elastic elements and dampers connecting the platforms. This provides the user with exercise and its accompanying benefits.

An exercise device featuring a pair of knee joints, each pivotally coupled to a pair of calf linkages having foot pedals at their opposite lower end that support low impact user-defined natural exercise gait patterns. The knee pivots joints are supported and directed to travel by linkage and/or carriage systems that operate substantially below the user hip area, and direct the knee pivot joints in a variety of travel paths, ranging from having a constant arc, linear pathway, to having a variety of irregular arc shaped paths, as well as, pathways that may change during use. A secondary system coupled to the knee pivot support system, provides lift and dampening forces to influence the responsiveness of the foot pedals via the bending and straightening of the calf linkage about the knee pivot joint, yet do not restrict the back and forth travel of the knee joint.

The exercise machine in the present disclosure utilizes novel machine mechanics that accommodate and adjust to the spines shifting axis of rotation. Through the use of a multiple, articulating axes a back exercise machine or device that promotes pure and isolated spinal flexion and extension with no need for mechanical anatomical restraint to succeed has been created. Using these mechanics when users attempt to extend their trunk, the device adjusts to the natural shifting axis of rotation of the spine thereby dis-involving the contribution of the hip extensor muscles. In other works, the exercise back machine of the present disclosure is designed to accommodate the complex biomechanics of the spine and to facilitate targeted strengthening of the spinal erectors and deep intrinsic spinal muscles.