A base and method of using a base on a treadmill in which the base comprises three or more first ball bearing assemblies, each ball bearing assembly comprising a ball and a mounting assembly, the base also comprising one or more lower ball bearing assemblies, each lower ball bearing assembly comprising a lower ball and a lower mounting assembly, wherein each lower ball bearing assembly projects down from a plane defined by three or more of the ball bearing assemblies. A base may be attachable to or integrated into a piece of sports footwear or a board of a board sport. A user standing on footwear or a board with one or more bases may rock in one or more direction on the sports footwear to produce a leaning effect wherein one or more lower ball bearing assemblies and two or more ball bearing assemblies contact the ground.

An apparatus for natural torso and limbs tracking and feedback for electronic interaction with fall safety support. The apparatus comprises a body harness worn on the body of a user, a support structure designed to bear the weight of the user in the event of a stumble, trip, or fall, and a plurality of tethers attached at one end to the harness and at the other end to the support structure. One or more sensors are integrated into the system to measure aspects of the user's movement and used as input to control a computer system. In the event of stumble, trip, or fall, all of, or a portion of, the user's body weight is borne by the tethers as a safety mechanism to prevent injury. The system is designed to be used with virtual reality systems wherein the user's vision is blocked or obscured by a virtual reality visor.

A system and method for correlating a video content presentation rate with an exercise machine operation rate is disclosed. A preferred embodiment of the apparatus is an interactive video system that adapts easily to use with a wide range of gym equipment utilizing a video presentation device that includes an accelerometer and/or camera. The camera embodiment utilizes vision algorithms to determine periodicity and motion orientation prior to modifying the input as a function of the type of exercise equipment is being utilized, in order to determine a cadence. In one embodiment the camera does not rely on seeing the limbs being exercised but utilizes the observation that even highly trained athletes have a degree of extraneous motion of their theoretically immobile body parts during exercise. A prerecorded video presentation is modulated by sensing proximate vibrational energy to determine cadence in the case of the accelerometer.

A method for controlling a control interface of an exercise machine during the enjoy of a multimedia content includes providing a multimedia content of a personal trainer preparatory to performing a set workout program on the exercise machine, usable through the control interface; associating configuration instructions of the exercise machine with the multimedia content readable by a data processing unit of the exercise machine, synchronized with playing of the multimedia content; during the enjoy of the multimedia content, if a playing time instant falls within a set time interval provided by the configuration instructions, dynamically modifying the control interface of the exercise machine so that it assumes a respective operating configuration corresponding to the set time interval reached by the multimedia content, in the respective operating configuration, showing the user on a display module, temporary controls usable through the control interface; and setting the exercise machine based on the temporary controls.

A folding exercise bike can be easily assembled and disassembled/folded for storage and/or transportation. The exercise bike can include a telescoping seat, a telescoping stem, a fold to stow handlebar and fold down locking legs. Various configurations for the exercise bike can be used. The exercise bike can include a wireless transmitter to transmit cycling data to a user's portable electronic device.

A system and method for using a body joystick to interact with a virtual or mixed-reality machines or software applications that uses a support arm to hold a device for attaching the body joystick to a user's body, a sensor for detecting movement, and a tether and actuator for providing feedback to the user about interactions with the virtual or mixed-reality machines or software applications.

A system and method for controlling an exercise device are provided herein. The system includes a memory having computer-executable instructions and at least one processor to execute the computer-executable instructions to wirelessly connect the exercise device, receive a training mode, receive at least one variable for determining a power set point, determine the power set point responsive to the training mode and the at least one variable and control a magnetic brake assembly in the exercise device responsive to the power set point.

A folding exercise bike has handlebar telescoping members configured to support handlebars, seat telescoping members configured to support a seat, a lower frame member from which the seat telescoping members and the handlebar telescoping members extend, pedals having an attachment point above the lower frame member, a first pair of legs attached to one end of the lower frame member and a second pair of legs attached to another end of the lower frame member. Each leg of the first pair of legs extending at an oblique angle from the lower frame member in a deployed position configured to support the folding exercise bike on a surface and each leg of the second pair of legs extending from lower frame member at an oblique angle in the deployed position.

The present disclosure provides an extraction system capable of accurately extracting a region of an image where a leg part of a trainee is included. an extraction system including: an image acquisition unit that acquires an image obtained by capturing the trainee; an extraction unit that sets regions of the image on both left and right sides of the belt of the treadmill to regions of the image where the leg part of the trainee is not present and thereby distinguishes the set regions from the region of the image where the leg part of the trainee is included, and extracts the region of the image where the leg part of the trainee is included; and a mask processing unit that applies a mask to each of the regions of the image where the leg part of the trainee is not present.

Improvements in a bench is disclosed. The bench is configured so the gap between the seat and the backrest is adjusted as angle of the back rest is changed. The gap is maintained my sliding or translating the backrest or the seat on the frame as the angle of the back rest is changed. This can be with a rack and pinion, a tension strap, or a mechanical linkage. The mechanism converts the angular change of the backrest to a linear translation or an arc translation to alter the position of the backrest, seat, or a combination thereof to prevent contact between the seat and the back rest and prevents creation of a large gap between the seat and the backrest that can cause discomfort. In some embodiments, the gap is adjusted based upon an angle of a constrained brace that locks the backrest at fixed angles.