An exercise machine which includes a centralized spring box and multiple gripping surfaces with which an exerciser may perform a wide range of exercise moves. The exercise machine includes a movable carriage and platform on a track. Bias members may be connected between the carriage and various structural elements of the exercise machine so as to impart a resistance force against movement of the carriage. An outer handle may be positioned around a carriage platform so as to surround the carriage platform. Inner handles may be positioned between the carriage platform and the outer handle, with the inner handle(s) being connected not to the outer handle or the carriage platform, but to an underlying support assembly. A pair of end handles may extend outwardly from the ends of the exercise machine. A bias member retainer such as a spring box may be centrally-located along the length of the exercise machine.

Various improvements are provided to breathing training, monitoring and/or assistance devices. A portable device is provided which optionally includes a gas canister, a feedback system for implementing pressure control, and a visual output for indicating adherence to a breathing exercise to the user. The pressure control may provide regulation of different pressures for inhalation and exhalation.

An exercise machine reversible resistance system for reversing the directional force of resistance against an exercise implement before, during, or after the performance of a routine of one or more exercises. The exercise machine reversible resistance system generally includes a frame, an elongated member movably positioned upon the frame, wherein the elongated member has a first run and a second run, a resistance device that applies a resistance force to the elongated member in a single direction, an exercise implement movably connected to the frame and a clutch connected to the exercise implement. The clutch is adapted to selectively engage the first run or the second run of the elongated member for selective control of the resistance direction of the exercise implement.

An exercise machine rail system for improved exerciser mounting and dismounting, improved functional ergonomics, and reduced risk of exerciser injury when using an exercise machine. The exercise machine rail system generally includes either two rails in close relationship which are linked together via connectors or a singular rail. Bias members are disclosed as either extending along either outer side of the rails, internally to the rail, or underneath the rail. Due to the narrow nature of the rails used by the present invention, an exerciser is able to mount and dismount the exercise machine easily and efficiently.

An ab exercise device including a first tube member, a second tube member movable with respect to the first tube member, an elastic member resisting a downward movement of the second tube member and moving the second tube member upward with respect to the first tube member, a first and a second side part for supporting the ab exercise device respectively against a first and a second surface, the first and the second side part being arranged respectively to a first and a second side of the first tube member in an upper end of the first tube member, and a top part for pressing down the second tube member, the top part being attached to the second tube member.

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 device for producing assisted motion, active motion, and resisted motion of the lower extremity. The device includes an upper leg support with two pull handles and a transverse axis of rotation for elevating and lowering the user's upper leg and a foot plate with a transverse axis of rotation and rollers on linear motion track(s) allowing the lower extremity to be secured into the device while maximizing range of motion of the knee joint. The upper leg support and the foot plate are both attached to the baseboard, but are not connected to each other and can move independently of each other, allowing the device to be used in multiple positions and to fit a wide range of lower extremity sizes without the need for the device to be adjusted or custom fit to the user's lower extremity.

A treadmill contains a body, a support assembly, a resistance unit, and a stop strap. The body includes a holder and a circular running belt. The support assembly includes multiple posts and two columns, wherein each column having a slidable space, and the slidable space having two first chutes. A resistance unit includes two sliding devices, two limitation structures, and a force exerting element. The respective sliding device has a slider and multiple first rollers. The respective limitation structure includes two cylinder units, a resilient unit, a first fixing unit, and a second fixing unit. The force exerting element has two connection rods connected on two ends thereof, and the respective connection rod of the force exerting element is coupled with the coupling portion of the slider of the respective sliding device.

An exercise machine inclination device for providing variable exercise intensity on an exercise machine by inclining the exercise machine. The exercise machine inclination device generally includes a base adapted for being positioned upon a floor, a support structure adapted for supporting the exercise machine, a hinge pivotally connecting the base and the support structure and an actuator connected between the base and the support structure, wherein the actuator adjusts an angle of the support structure.

An exercise platform for use with a resilient exercise band includes a body formed of ultra-high molecular weight polyethylene. The exercise platform includes a pair of intersecting channels one side and a support surface on another side upon which a user stands. When the platform is in use, the channels are spaced away from a floor surface, and are dimensioned to allow a portion of the exercise band to be retained therein, as the user performs an exercise movement employing the exercise band while he or she stands on the platform.