A motor-less leg-powered curved treadmill produced that allows people to walk, jog, run, and sprint without making any adjustments to the treadmill other than shifting the user's center of gravity forward and backwards. A closed loop treadmill belt running between front and rear pulley rollers is formed with a low friction running surface of transverse aluminum, wooden, plastic, rubber or carbon fiber slats attached to each other in a resilient fashion. An essential feature of treadmill is the concave shape of the upper portion of the belt running surface, the treadmill configurations ensure that this shape is maintained during actual use. These configurations prevent the concave upper running surface portion from being pulled taut into a flat shape between the front and rear pulley rollers. The slats of the treadmill each have an end view crossectional I-beam shape, for strength and stability of the slat positioned upon the treadmill belt.

An apparatus used for cardiovascular workouts and strength training workouts contains a treadmill, a first weight-engaging pulley mechanism, a second weight-engaging pulley mechanism, a first guide channel, and a second guide channel. The treadmill is used to complete the cardiovascular workouts. The first weight-engaging pulley mechanism and the second weight-engaging pulley mechanism are used for strength training. Since the weight arrangement of the apparatus is movable along the first guide channel and the second guide channel, the user can complete a wide variety of strength training workouts. The apparatus also contains an incline-adjustment mechanism, which orients the treadmill belt track to simulate an incline or a decline. A belt direction-reversing mechanism of the apparatus helps change the direction a belt that is layered along the treadmill belt track.

Methods and systems are presented for accepting inputs into a treadmill or other exercise equipment to control functions of the treadmill or exercise equipment. An exercise control system can receive gestures and other inputs. The exercise control system can also obtain information about the user of the exercise control system and information about the environment in which the exercise equipment is operating. Based on the input and the other information, the exercise control system can modify or improve the performance or execution of user interface and functions of the exercise equipment. The changes make the user interfaces and/or functions user-friendly and intuitive.

A treadmill includes a tread belt that is rotatable in a forward direction and a backward direction. Before changing rotation directions on the tread belt, the treadmill implements a safety action. The safety action includes an alert and input in response to the alert to improve the safety of the user.

A stair stepping apparatus comprising: a plurality of stairs forming a treadmill or endless belt on which a user steps, wherein each stair comprises: a first link comprised of a major step portion joined to a minor riser portion by a rigid elbow, and a second link comprised of major riser portion joined to a minor step portion by a rigid elbow.

An exercise device for strengthening muscles is disclosed, having a continuous belt system that allows a user to move the continuous belt using their feet to exercise muscles of the person while the person lies in front of the continuous belt with their back braced on a resting surface. Such an exercise device allows a user to exercise their gluteus and hamstring muscles while strengthening their pelvic stabilizers. The exercise device could also have a weight device that allows a user to rest a weight on their torso during the exercise to increase the difficulty and effectiveness of the exercise.

A treadmill includes a frame; a running belt configured to rotate relative to the frame; and a motor coupled to the running belt. The motor is operable in a plurality of user controlled operating modes. In a first operating mode, a user of the treadmill provides a force of rotation to the running belt. In a second operating mode, the motor is adapted to resist rotation of the running belt. In a third operating mode, the motor is adapted to provide a force of rotation to the running belt at a desired speed.

A running platform of a treadmill and a treadmill are provided. The treadmill includes a roller, a servo motor, a running platform, and a belt wrapped around the roller. The running platform is of an integrally formed structure, an inside of the running platform is of a grid structure, and includes a base portion and a support portion. The belt is wrapped around the base portion, and a movement contact plane is formed on an upper side of the base portion. A transmission shaft of the servo motor is in transmission connection with the roller to drive the roller to rotate, thus driving the belt to move on the movement contact plane.

A treadmill includes a frame; a running belt configured to rotate relative to the frame; and a motor coupled to the running belt. The motor is operable in a plurality of user controlled operating modes. In a first operating mode, a holding torque of the motor is disabled to allow the running belt to substantially freely rotate so that a user of the treadmill provides a force of rotation to the running belt. In a second operating mode, the motor is adapted to resist rotation of the running belt.