Sensor data is collected from a sensor monitoring a tension generating device of an exercise machine. The sensor data is analyzed to determine whether the sensor data is within a specification. In the event the sensor data is not within a specification, an error stop mode is entered for the tension generating device.

A bi-directional exercise machine has a work arm, first and second cams coupled to the work arm, a resistance mechanism, and a pulley assembly that couples the resistance mechanism to the work arm via the first and second cams so that movement of the work arm is resisted by the resistance mechanism according to first and second resistance profiles provided by the first and second cams, respectfully. A primary pulley cable has a first end coupled to the first cam and a second end coupled to the second cam. When the work arm is in a rest position, the ends of the primary pulley cable extend from cable tracks of the cams, respectively, at a tangent so that the resistance mechanism applies a resistance force on the work arm via the pulley assembly immediately upon movement of the work arm out of the rest position.

A foot or leg harness is disclosed for use with a means of resistance. The harness provides improved muscle activation for lower body exercises. The foot or leg harness includes a harness portion to attach user. The harness is designed to attach to a means of resistance. The point of resistance is distributed into the harness through an angular strap portion so that resistance for the exercise is encompassing the foot or leg as a unit rather than one particular area.

An exercise machine is disclosed. The exercise machine comprises a motor. The exercise machine comprises a gearbox coupled to the motor, wherein the gearbox comprises bevel gears. The exercise machine comprises a spool coupled to the gearbox. The exercise machine comprises a cable wound about the spool. A second exercise machine is disclosed. The second exercise machine comprises a motor. The second exercise machine comprises a lockable translatable mount. The second exercise machine comprises a cable coupled to the motor via the lockable translatable mount. The second exercise machine comprises a sensor coupled to the lockable translatable mount, wherein the sensor is used at least in part to determine mount lock state. A third exercise machine is disclosed. The third exercise machine comprises a motor. The third exercise machine comprises a mount. The third exercise machine comprises a cable coupled to the motor via the mount. The third exercise machine comprises a sensor coupled to the mount, wherein the sensor is used at least in part to determine mount lock state. The third exercise machine comprises a lockable arm coupled to the mount and a second sensor coupled to the lockable arm, wherein the second sensor is used at least in part to determine arm angle.

A leg muscle, abdominal muscle, and spinal exercise device adapted for imparting curvature to a lumbar or sacral spine of a user and for manipulating the spine and intervertebral discs with decompression force includes a frame for placement on a floor. The frame has a top surface and a bottom surface, wherein the top surface and bottom surface are in a spaced apart relationship forming a hollow portion there between. At least one inflatable bladder is carried by the top surface of the frame. A body strap attachment passes through the frame in non-fixed relationship and is partially disposed within the hollow portion for encompassing the user's thoracic-sacral spinal region and securing said frame. An elongate stirrup strap member is attachable to the body strap attachment thereby connecting to the user's spinal region. A stirrup is attachable to the stirrup strap member distal end.

A reformer includes a base having a longitudinal direction, a carriage coupled to the base and moveable relative to the base in the longitudinal direction, and an actuator coupled to the carriage and the base such that the actuator is arranged to exert a force between the carriage and the base. The force moves the carriage relative to the base in the longitudinal direction or resists movement of the carriage relative to the base in the longitudinal direction.

A four-bar linkage assembly exercise station that can be adjusted to various configurations to create various exercise motions having at least one adjustable operational pivot that is movable prior to operation of the machine and stationary during operation of the machine and at least one stationary adjustment pivot operatively connected to the at least one adjustable operational pivot. The stationary adjustment pivot is also operatively connected to an adjusting and latching component or assembly that can be engaged by a user prior to operation of the machine to adjust the four-bar linkage assembly exercise station to a desired configuration to create a unique exercise motion and secure the desired configuration of the adjustable four-bar linkage assembly.

A rowing machine has a base, a seat, a rotating plate, two oar components, a damping mechanism and a transmission mechanism; the base with a rack and a slope rail; the seat cushion slidably coupled to the rail; the rotating plate with a fixing rotating shaft rotatably assembled to the rack through the rotating shaft; two oar components respectively connected to the two ends of the rotating shaft by unilateral bearings in universal joining way to unilaterally drive the rotating plate to rotate when swinging; the rotation damping mechanism is assembled to the rack; the transmission mechanism assembled between the rotating plate and the damping mechanism to drive a damping wheel of the damping mechanism when the rotating plate rotates.

A bi-directional exercise machine has a work arm, first and second cams coupled to the work arm, a resistance mechanism, and a pulley assembly that couples the resistance mechanism to the work arm via the first and second cams so that movement of the work arm is resisted by the resistance mechanism according to first and second resistance profiles provided by the first and second cams, respectfully. A primary pulley cable has a first end coupled to the first cam and a second end coupled to the second cam. When the work arm is in a rest position, the ends of the primary pulley cable extend from cable tracks of the cams, respectively, at a tangent so that the resistance mechanism applies a resistance force on the work arm via the pulley assembly immediately upon movement of the work arm out of the rest position.

A pedal exerciser includes a worm shaft meshed with a worm wheel. A crank drives rotation of the worm wheel through two pedals. A rotary disc assembly is journaled to and rotatable with the worm shaft. The rotary disc assembly has a conductive member that is non-magnetizable and that is rotatable around an axis of the worm shaft. A magnetic assembly is disposed near the conductive member and has a magnet facing the conductive member. The magnet produces a drag force to resist an exercising force when the conductive member is rotated to move past the magnet. An adjustment assembly moves the magnetic assembly toward or away from the rotary disc assembly to vary the magnitude of the drag force.