An isokinetic control module and method for incorporation on both new and existing exercise equipment. The control module replaces standard friction and hydraulic resistance components offering constant speed of the moveable elements of the machine rather than a selected resistance or weight. The constant user-generated resistance prevents injury and enhances strength training of the targeted muscle groups by maintaining constant strain on those muscles throughout the exercise. This method and device incorporates both a PCFC valve and a check valve device, removing all resistance the moment the user stops applying force to the machine. This enhances safety and facilitates the rapid return of the lifting element to its home position between repetitions. An optional graphical display is also disclosed.

An exercise machine is provided with a loading device. The loading device includes a lever, a coupler, a cylinder unit and a driving unit. The lever includes two ends. The first end of the lever is connected to the exercise machine. The coupler is movable along the lever between the first and second ends. The cylinder unit includes an end connected to the exercise machine and another end connected to the coupler. The driving unit includes a threaded sleeve, a threaded rod and a motor. The threaded sleeve is connected to the coupler. The threaded rod is engaged with the threaded sleeve. The motor rotates the threaded rod relative to the threaded sleeve so that the threaded rod moves the coupler via the threaded sleeve.

The present disclosure relates to a respiratory system for exercising and analysing respiration of a subject comprising: a breathing unit comprising: a mouthpiece connected to: at least one inhalation air way, at least one exhalation air way, and an electronic sensor unit comprising at least one pressure gauge for measuring air pressure in the mouthpiece, and a processing unit for collecting/storing and/or transmitting air pressure data.

Disclosed is a hydraulic damping device level riding platform with adjustable resistance, which comprises a frame body, a shaft mechanism, a flywheel and a hydraulic damping mechanism, the shaft mechanism is arranged on the frame body, one end of the shaft mechanism is connected with the hydraulic damping mechanism and another end of the shaft mechanism is connected with the flywheel. The hydraulic damping mechanism comprises: a cavity; a rotating disc provided with blades, the rotating disc is arranged in the cavity; and a liquid level height adjusting mechanism movably connected inside the cavity to control a liquid level height in the cavity. The liquid level height of the liquid in the cavity is controlled through the liquid level height adjustment mechanism, so as to realize the control of the resistance of the rotating disc to the liquid.

Disclosed is a hydraulic damping device with adjustable resistance and a riding platform. The hydraulic damping device with adjustable resistance comprises a support frame, a rotating mechanism movably connected to the support frame, a hydraulic damping mechanism arranged at one end of the rotating mechanism and an inertia wheel detachably connected to an other end of the rotating mechanism, and the hydraulic damping mechanism comprises a shell and a rotating disc connected with the rotating mechanism extending into the shell, at least one blade is arranged on the rotating disc, and the blade is connected with the rotating disc in an adjustable angle to provide resistance at a corresponding angle. The angle of the blade relative to the rotating disc is adjusted so that when the blade rotates with the rotating disc, different from the resistance generated by the damping liquid in the shell, different resistance effects are provided.

Disclosed is a hydraulic damping device with adjustable resistance and a riding platform. The hydraulic damping device with adjustable resistance comprises a support frame, a rotating mechanism movably connected to the support frame, a hydraulic damping mechanism arranged at one end of the rotating mechanism and an inertia wheel detachably connected to an other end of the rotating mechanism, and the hydraulic damping mechanism comprises a shell and a rotating disc connected with the rotating mechanism extending into the shell, at least one blade is arranged on the rotating disc, and the blade is connected with the rotating disc in an adjustable angle to provide resistance at a corresponding angle. The angle of the blade relative to the rotating disc is adjusted so that when the blade rotates with the rotating disc, different from the resistance generated by the damping liquid in the shell, different resistance effects are provided.

An exercise machine inclination device for providing variable exercise intensity on an exercise machine by inclining the exercise machine. The exercise machine inclination device generally includes a base adapted for being positioned upon a floor, a support structure adapted for supporting the exercise machine, a hinge pivotally connecting the base and the support structure and an actuator connected between the base and the support structure, wherein the actuator adjusts an angle of the support structure.

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 portable exercise device includes a pedal spaced away from and pivotably connected to a base and having a neutral position relative to a pivot axis. The pedal is configured to rotate about the pivot axis in a first direction toward the base and in a second direction, opposite the first direction, toward the base. The device also includes a resistance mechanism configured to exert a force on the pedal about the pivot axis in a direction opposite to the respective direction of rotation of the pedal. The device is movable between an open, in-use configuration, where the pedal is disposed in the neutral position to receive a foot and spaced away from the base, and a closed configuration, where the pedal is adjacent the base.

Provided is a resistance device of a fitness machine comprising a wind drag unit and a magnetic resistance unit. The wind drag unit includes an air volume adjusting disc. The magnetic resistance unit includes a guide rail disc, a metal ring sheet, at least one magnetic seat, and at least one guide post. The guide rail disc has a guide disc rail through which the guide post penetrates. The magnetic seat is used to generate magnetic resistance with the metal ring sheet, and the magnetic seat has a magnetic seat rail. The guide post is connected to the air volume adjusting disc, penetrates through the guide disc rail, and extends into the magnetic seat rail. The guide post moves in the magnetic seat rail with rotation of the air volume adjusting disc to drive the magnetic seat to pivotally rotate relative to the guide rail disc.