Described herein are embodiments of stationary exercise machines having reciprocating foot and/or hand members, such as foot pedals that move in a closed loop path. Some embodiments can include reciprocating foot pedals that cause a user's feet to move along a closed loop path that is substantially inclined, such that the foot motion simulates a climbing motion more than a flat walking or running motion. Some embodiments can further include reciprocating handles that are configured to move in coordination with the foot via a linkage to a crank wheel also coupled to the foot pedals. Variable resistance can be provided via a rotating air-resistance based mechanism, via a magnetism based mechanism, and/or via other mechanisms, one or more of which can be rapidly adjustable while the user is using the machine.

A rowing machine is disclosed. The rowing machine includes a frame including a base for contact with a support surface and a seat rail supported by the base. The rowing machine includes a seat configured to reciprocate back and forth along the seat rail. The rowing machine includes a rowing engine that includes at least one resistance mechanism rotatably coupled to the frame. The rowing machine includes at least one handle operatively connected to the at least one resistance mechanism, and a paddle linkage assembly operatively connecting the at least one handle to the at least one resistance mechanism such that rearward movement of the handle is resisted by the at least one resistance mechanism.

An elliptical exerciser capable of adjusting a stride length contains: frame, a transmission device, a crank mechanism, and an adjustable movement unit. The transmission device is connected on the pedestal and includes a pulley. The crank mechanism is coaxial with the pulley of the transmission device and is rotatably connected on the frame. The adjustable movement unit is rotatably connected on the frame and is coupled with the transmission device via the crank mechanism. The adjustable movement unit includes two four-connection-rod assemblies which are located on two sides of the frame, and a respective four-connection-rod assembly of the adjustable movement unit has an adjustment lever, a post, a manual swing lever, and a horizontal joining rod. The adjustment lever has multiple rotatable connection points which are spaced, and the manual swing lever is rotatably connected on the frame.

Described herein are various embodiments of differential air pressure systems and methods of using such systems. The differential air pressure system may comprise a chamber configured to receive a portion of a user's lower body and to create an air pressure differential upon the user's body. The differential air pressure system may further comprise a user seal that seal the pressure chamber to the user's body. The height of the user seal may be adjusted to accommodate users with various body heights.

An exercise apparatus is provided that allows the user to assist the force applied with one arm or leg by exerting force from another appendage, without the use of complex mechanical linkages. The apparatus may also be reconfigured to accommodate the user in a wide variety of positions.

An exercise machine creates a simulated continuous resisted climbing motion. The machine includes a floor- or ground-contacting base frame and two or more substantially vertically oriented uprights, wherein at least one upright is rigidly connected to the base frame. The machine further includes two handles and two foot pedals, each handle and each foot pedal being movably engaged with an upright for linear reciprocating motion along the upright. The handles and foot pedals are interconnected so that they move concurrently. An adjustable resistance mechanism may be operatively connected to the interconnection of the handles and foot pedals to provide adjustable resistance for the simulated continuous climbing motion.

Example embodiments may relate to a system, method, apparatus, and computer readable media configured for monitoring a user performing an exercise and generating a avatar of the user and a virtual shadow, wherein the virtual shadow illustrates proper form of the exercise. The example embodiments may further be configured for determining an amount of overlap between the virtual avatar and the virtual shadow, and generating a feedback score based on the amount of overlap.

An overhead climb strength trainer apparatus comprises a frame bisected by at least one vertical frame portion, forming first and second climbing areas. First and second climbing panels are slideably mounted within the respective climbing areas and each include climbing holds and a panel hook. A line connects the first and second panel hooks, running through line guides and around a friction cylinder. The frame is configured for mounting at a predetermined angle of inversion for simulating an overhead climb as users manually raise and lower the first and second climbing panels in a reciprocating fashion within the first and second climbing areas respectively.

A human power strengthening machine consisting of a frame, hand pedals, foot pedals and a flywheel coupled to said frame, with hand grips and foot-bindings coupled to said pedals wherein the grips and bindings allow the user to crank said pedals and drive a flywheel. There is a unit, which provides magnetic resistance to the flywheel. Also coupled to the frame can be a display with microphone for voice control of magnetic resistance to the flywheel. In this case there can be, for example, a flywheel, which is driven by the pedals, a magnetic resistance unit and display with microphone for voice control of flywheel resistance, plus non-driven casters as well.

An exercise machine may include a stationary frame, an inclinable portion movably connected to the stationary frame, and an incline mechanism connected to the stationary frame. The incline mechanism may include a coiling mechanism, a coiling rod of the coiling mechanism, a flexible coiling link movable with a rotation of the coiling rod, and where the flexible coiling link is connected to the inclinable portion.