A stationary exercise machine according to the present disclosure may include a frame, a crankshaft rotatable supported by the frame, first and second lower linkages, and first and second crank arms connected to opposite sides of the crankshaft such that rotation of either of the first or second crank arm causes rotation of the crankshaft. Each of the first and second lower linkages may be operatively connected to the crankshaft and to a respective one of first and second pedals. Each of the first and second lower linkages may include a reciprocating member operatively connecting the respective one of the pedals with respective one of the crank arms. In some examples, each of the first and second lower linkages may include an adjustable linkage connected between the reciprocating member and the respective crank arm, the adjustable linkage operable to vary a distance between an output end of the reciprocating member and an input end of the crank arm. In some examples, each of the pedals may be pivotally connected to the respective reciprocating members.

The present disclosure relates to a stair steppers, comprising a base, a bracket and a motion mechanism, the base supports the bracket, and the motion mechanism is disposed on the bracket, the bracket comprises a main body fixed to the base and a guide rail hinged to the main body, the guide rail is disposed to be inclined to the base, the motion mechanism comprises pedal links, pedals and pedal cranks, the pedal is disposed on the pedal link, the pedal link is hinged to the pedal crank, the pedal cranks are further hinged to the main body of the bracket, a hinge point of the pedal crank and the pedal link is disposed to be spaced apart from a hinge point of the pedal crank and the main body, the pedal link is provided with an abutting portion which abuts against the guide rail and is reciprocatingly movable along the guide rail. Since the guide rail is hinged to the main body, it is feasible to adjust an inclination angle of the guide rail relative to the base so as to change a movement trajectory of the pedal links and thereby adjust the difficulty of exercise of the stair steppers. When an angle between the guide rail and the base is larger, the difficulty of exercise is higher, otherwise, the difficulty of exercise is lower.

A rowing exercise device comprises a support structure; a movable user support movably associated with the support structure for movement relative to the support structure; a movable foot support movably associated with the support structure for movement relative to the support structure; a handle; and a rowing assembly operatively associated with the handle and at least the movable foot support to cause at least the movable foot support to move relative to the support structure with movement of the handle so that both a user s body and one or both feet move relative to the support structure with movement of the handle.

The invention is an exercise apparatus providing an advanced level of surfboard paddling simulation and muscle development. The design includes a specialized platform, unique hand harnesses, and cable systems with mechanical advantage and mass moment of inertia mechanisms, piston pumps, cable spools, and elastic elements. They allow the user to simulate paddling in an alternating or simultaneous sequence at any speed while strong elastic tension resists the user's thrust strokes, but during paddling return strokes the user feels no elastic tension or resistance. The design also prompts the user to engage and strengthen all dorsal muscles to maintain an appropriately arched body position while paddling.

The invention is an exercise apparatus providing an advanced level of surfboard paddling simulation and muscle development. The design includes a specialized platform, unique hand harnesses, and cable systems with mechanical advantage and mass moment of inertia mechanisms, piston pumps, cable spools, and elastic elements. They allow the user to simulate paddling in an alternating or simultaneous sequence at any speed while strong elastic tension resists the user's thrust strokes, but during paddling return strokes the user feels no elastic tension or resistance. The design also prompts the user to engage and strengthen all dorsal muscles to maintain an appropriately arched body position while paddling.

The present application is directed to a flotation device for use in aquatic physical therapy. The flotation device preferably comprises side portions that wholly or partly surround the user, and permit the user's elbow(s) and/or forearms to rest upon and be supported thereby. The flotation device also preferably has at least one handgrip permitting the user to easily hold onto and be supported by the flotation device. Additionally, the present invention comprises methods of making and using such a flotation device.

A piece of fitness equipment, which is suitable for fitting to a body part of a person comprising a pressure chamber to which a fluid can be applied and a pump that is connected with the pressure chamber and is suitable for applying the fluid to the pressure chamber. Furthermore, the device comprises a controller for controlling the pump and a wearable holder that is detachably connectable with the pressure chamber and serves for holding the pressure chamber to the body part. The pressure chamber is formed in the shape of a hose.

A muscular integral development system for resistance (MIDSYR) to develop or exercise muscles of a body of an user. The system is directed to develop an area of the body or specific muscle group, such as for example the abdominals, pectorals, biceps, buttocks or leg muscles. Furthermore, the present invention relates to an equipment to achieve weight loss, cardiovascular exercise or rehabilitation.

A muscular integral development system for resistance (MIDSYR) to develop or exercise muscles of a body of an user. The system is directed to develop an area of the body or specific muscle group, such as for example the abdominals, pectorals, biceps, buttocks or leg muscles. Furthermore, the present invention relates to an equipment to achieve weight loss, cardiovascular exercise or rehabilitation.

Disclosed is an swimming training apparatus, comprising a drive mechanism driven with electricity and a pumping execution mechanism, said drive mechanism and said pumping execution mechanism disposed separately and spaced apart, and connected by a connection pipeline or a transmission mechanism. The separation of the drive mechanism and the pumping execution mechanism ensures the separation of water and power in the swimming training apparatus and thus ensures the safe use of the swimming training apparatus.