A method includes providing a first video file to a plurality of exercise machines, the first video file including content associated with an exercise class. The method also includes receiving user data from the plurality of exercise machines, the user data including respective settings associated with a common performance metric. In such a method, the respective settings are used on the plurality of exercise machines during playback of a particular part of the first video file. The method also includes identifying a timestamp associated with the particular part of the first video file, and generating an executable control corresponding to the performance metric. The method further includes generating a second video file comprising the content and the executable control. In such methods, playback of the second video file causes display of the executable control at a part of the second video file corresponding to the timestamp.

A mouth guard senses impact forces and determines if the forces exceed an impact threshold. If so, the mouth guard notifies the user of the risk for injury by haptic feedback, vibratory feedback, and/or audible feedback. The mouth guard system may also remotely communicate the status of risk and the potential injury. The mouth guard uses a local memory device to store impact thresholds based on personal biometric information obtained from the user and compares the sensed forces relative to those threshold values. The mouth guard and its electrical components on the printed circuit board are custom manufactured for the user such that the mouth guard provides a comfortable and reliable fit, while ensuring exceptional performance.

An apparatus for controlling of a training device including a training device configured to absorb a mechanical power applied by a person undertaking physical training, an assistance unit configured to assist the training and/or to make the training more difficult, and an exertion measuring apparatus configured to measure mechanical exertion data of an effort applied by the person during the training, a body sensor configured to measure physiological data of the body of the person, a computing unit configured, with an optimization algorithm, to adjust coefficients, a summand, and delays to prepare a prediction of the physiological data based on a model, and a control unit configured to take a predetermined reference variable for the physiological data, to take the prediction as a control variable, and to control an assistance of the assistance unit as a manipulated variable.

An automobile including an exercise apparatus for use by the driver while driving is described. The apparatus may integrate the user's exercise performance into control of the vehicle's speed, acceleration and braking.

Multiple embodiments of a portable, handheld exercise device comprise a spherical outer shell with multiple parallel handles on the outer surface thereof containing a rotating mass therein. An inner shell is spaced from but attached the outer shell. A gyroscopic energy-generating structure (GEGS) is within the inner shell. The GEGS comprises a rotating disc or a rotating mass simulating a rotating disc. The rotating disc or a mass is powered to spin around an axis orientated in a preselected orientation to the multiple parallel handles. When the one or more handles are held by an individual the spinning characteristics of the rotating disc or mass creates a force against the user's hands. An internal or external controller allows the user to vary the spinning characteristics of the spinning mass and the level and intensity of the resultant exercise provided to the user in counteracting the forces created.

Electromechanical rehabilitation of a user can include receiving a pedal force value from a pedal sensor of a pedal; receiving a pedal rotational position; based on the pedal rotational position over a period of time, calculating a pedal velocity; and based at least upon the pedal force value, a set pedal resistance value, and the pedal velocity, outputting one or more control signals causing an electric motor to provide a driving force to control simulated rotational inertia applied to the pedal.

In some embodiments, apparatuses and methods are provided herein useful to monitor athletic performance. In some embodiments, one or more control circuits and sensors are used to analyze performance as it compares to music tempo that is played during an exercise session or class, which may be done both directly and/or indirectly. In one embodiment, athletic performance during an exercise period is monitored and compared to the tempos of music played, where the music tempo is identified by one of measuring the actual tempo of the music played and/or obtaining the tempo from a database or otherwise associating the selection(s) played with an identified tempo of the music itself. In another embodiment, the music tempo is indirectly identified or analyzed, such as by analyzing the performance or cadence of a group of exercisers and comparing the performance parameters sensed to obtain a benchmark tempo from which to compare individual users.

A hockey puck (1) comprising an accelerometer (101) arranged in a recess (5) of a puck body (3). The accelerometer (101) is configured to measure the acceleration of the hockey puck (1) in at least one direction in x-y-z coordinates. The hockey puck further comprises a power supply (25) and a control unit (109) configured to read sensor input from the accelerometer (101) and to provide a control unit output based on said sensor input.

A wearable positioning device includes an inertial sensor, a storage device and a processor. The inertial sensor senses an acceleration signal and an angular velocity signal. The storage device stores a previous positioning signal and a current coordinate. The processor is electrically connected to the inertial sensor and the storage device. A wearable positioning method is executed by the processor, which includes: determining whether the wearable positioning device is in one of an under-water mode and an above-water mode according to a pressure sensing signal; calculating, when in the under-water mode, a current acceleration and a current direction according to the acceleration signal, the angular velocity signal, and a swimming posture signal representing a swimming posture; and calculating a current positioning signal according to the current acceleration, the current direction and the previous positioning signal, and updating the current coordinate with the current positioning signal.

A golf swing playing aid device for use on a conventional golf club having a handle, an impact head and a shaft. The golf swing playing aid device may include a grip member having an outer portion and an inner portion. The outer portion may be adapted to be grasped by a hand of the user. The inner portion may be configured to slide along the golf club shaft. The playing aid device may include an electronic device including a rotational sensor adapted to detect a change in rotation relative to at least one axis, and a controller operably coupled to the rotational sensor. The controller may read the rotational sensor to determine the change in rotation relative to at least one axis. When the change in rotation is greater than a threshold amount, the controller may provide an indication to the user, thereby indicating over-rotation of the golf swing.