Embodiments of the present invention comprise a 4-wheeled resistance training device in the form of a box, wherein a user may add weights to the inside or to the top of the box to increase the resistance provided to the user. The wheels may be connected to the box by one or more threaded axles, each threaded axle existing as two or more parts. Rotation of the threaded axles may power a generator, which may power a light system comprising one or more lights. The light system may provide visual feedback to a user by changing the color and/or intensity of the one or more lights depending on multiple factors. Further embodiments of the invention may comprise a battery for storing energy generated by the generator. Embodiments of the invention may also comprise the ability to store data about a user's workout.

A supporting device for users of a Pilates exercise machine to maintain the user at an inclined angle upon the platform or carriage of the exercise machine during use. The supporting device features a body having a bottom adapted for positioning on the moving or stationary carriage of the Pilates machine and an inclining top surface to support the body of the user inclined. A first and second side space formed on opposing sides of a narrowed portion of said top surface provide respective spaces for positioning of the arms of the user therein.

A reformer may include a frame extending between a first end portion and a second end portion. The reformer may also include a carriage slidably coupled to the frame, where the carriage is movable along a length of the frame. The carriage is configured to be selectively and releasably coupled to the first end portion of the frame, and selectively and releasably coupled to the second end portion of the frame.

An exercise machine tension device securing system for safely and efficiently securing selectable biasing members to an exercise machine. The exercise machine tension device securing system generally includes an exercise machine including a frame and a carriage movably positioned on the frame. A plurality of tension devices may be connected to the frame at one end; with the other end being removably connected to the carriage by a selection device. The selection device may include a plurality of slots for removably receiving one or more of the tension devices to secure the tension devices selectively to the carriage. A securing member movably connected to the selection device includes projections adapted to selectively enclose the slots so as to secure the tension devices within the slots of the selection device.

A pilates reformer machine has a frame with a longitudinal central extruded spine (2) extending between a first support member (4a, 4b) and a second support member (6a, 6b), a carriage (8) supporting a platform (9) moveable along the spine, at least one retention spring housed within the spine and attached to the carriage, the at least one retention spring being selectively attachable to the frame by buttons (12), the carriage being provided with sides that wrap around sides of the spine and engage with an underneath of the spine, the carriage further including a plurality of wheels receivable within tracks formed within the central spine. A leg exerciser (30) and foot bar (20) may be included in the machine.

An adjustable weight lifting device (21) includes a tube (31), a pin (33) movably disposed inside the tube (31), the pin (33) comprising an external thread (35), and one or more driving knobs (51) extending radially inward relative to an inner wall of the tube (31) and engaging with the external thread. The external thread comprises at least one portion having a first helix angle and at least one portion having a second helix angle, the second helix angle being smaller than the first helix angle.

An exercise weight bag is configured to be filled with a weight material, such as a granular material. In some configurations, the weight bag is sized and shaped to be received in a receptacle of a tactical-style vest. The weight bag can include a baffle that limits separation of a front panel and a rear panel. The weight bag can include one or more reinforcement panels that are more rigid than the front and rear panels to provide shape to the weight bag. The weight bag can include top and/or side adjustment features to allow for adjustment of a height and/or width of the weight bag.

An exercise machine tension device securing system for safely and efficiently securing selectable biasing members to an exercise machine. The exercise machine tension device securing system generally includes an exercise machine including a frame and a carriage movably positioned on the frame. A plurality of tension devices may be connected to the frame at one end; with the other end being removably connected to the carriage by a selection device. The selection device may include a plurality of slots for removably receiving one or more of the tension devices to secure the tension devices selectively to the carriage. A securing member movably connected to the selection device includes projections adapted to selectively enclose the slots so as to secure the tension devices within the slots of the selection device.

The present invention provides an exercise device (100) for exercising core muscles of a user’s torso. The exercise device comprises a frame (110), configured to be supported by the user and a radially outwardly facing channel (130; FIG. 6), the channel (130) configured to receive a resistance member. The frame defines an aperture (112) configured to receive a torso of the user and the device (100) is configured to provide a resistance force against which the user can exercise when the device (100) is in use. Also claimed is a kit of parts comprising the device (100) and a resistance member, and a method of exercising core muscles of one’s torso.

A weightlifting machine that includes a pulley system and a cable system that attaches to a weight rack frame to allow a user to perform a weightlifting exercise. The pulley system may include a first pulley and a second pulley where the cable system engages each pulley. The cable system may have a first end connected to a grip attachment and a second end attached to a resistance element. The resistance element may include a resistance band, a weight support that holds a weight plate, a set of weight plates, or other type of resistance element. The cable system may extend from the pulley through an opening located one of the frame members that form the frame.