An information related to the position of an actuator coupled to a cable which is coupled to a motor is received. A filter is used to provide an input to a motor controller coupled to the motor, to adjust torque on the motor such that a strength curve is implemented relative to the position of the actuator.

Assisted racking of digital resistance includes detecting a state of a cable. A motor is mechanically coupled to the cable to provide resistance during an exercise by tensioning the cable. It further includes determining completion of the exercise based at least in part on the detected state of the cable. It further includes selectively removing resistance from the cable based at least in part on the determination that the user has completed the exercise.

Controlling an exercise machine includes receiving a stream of measurements of extension of a component of an exercise machine. It further includes characterizing the stream of measurements including detecting at least one extremum having at least one extremum parameter. It further includes matching the extremum parameter with a previously determined signature associated with a user. It further includes changing an output of the exercise machine based at least in part on the match.

Controlling an exercise machine includes receiving a stream of measurements of extension of a component of an exercise machine. It further includes detecting a first phase of a repeated motion. It further includes detecting a transition to a second phase of the repeated motion. A time constraint is applied to the detection of the transition to the second phase of the repeated motion. It further includes controlling a resistance associated with the second phase of the repeated motion.

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 fitness exercise apparatus includes a base member, a support unit disposed on the base member, and a slide bar disposed on the support unit. A seat frame includes a connector connected to and slidable along the slide bar, a guide rail connected to the connector, and a foot post connected to the guide rail opposite to the connector. A swing frame is connected to the guide rail at a position corresponding to the foot post. An elastic cord unit includes a plurality of first and second elastic cords connected to the support unit. A pulling unit includes two first cables connectable with the first elastic cords. An operating unit is connectable with the first cables.

An exercising assembly for fitness training and rehabilitation includes a first base, which is positionable on a substantially horizontal surface. An engagement module is selectively engageable to the first base so that the engagement module is positioned proximate to a first end of the first base. A plurality of attachment elements is engaged to the first base, the engagement module, and to a plurality of tensioners. The attachment elements are selectively mutually couplable. A plurality of first interface elements is selectively engageable to the engagement module. Respective attachment elements of the plurality of attachment elements are engaged to each of the first interface elements. Respective tensioners thus are extendable between a respective first interface element and one or more of the first base and the engagement module. The respective tensioners provide resistance to the user moving the first interface elements.

A method of treating elbow tendonitis in a user's arm comprises providing a container having a handle, filling the container with a prescribed volume of water, holding the container by the handle with the arm hanging at the user's side in a starting position defined by an inward facing of the user's palm, thereafter, rotating the container in a first direction until the arm is at a first rotated position defined by an outward facing of the user's palm, holding the arm at the first rotated position for a first hold time of at least six seconds, thereafter, rotating the container in a second direction opposite the first direction, past the starting position, until the arm is at a second rotated position defined by an outward facing of the user's palm, and holding the arm at the second rotated position for a second hold time of at least six seconds.

An orthotic support comprises a shoulder section for encapsulating a first shoulder of a wearer, a glove section for conforming to at least a portion of the wearer's hand, and a sleeve section for conforming to the wearer's arm, the sleeve section connecting the shoulder section to the glove section. A resilient reinforcement extends from the glove section to the shoulder section, and at least a portion of the reinforcement extends in a spiral around the sleeve section, so that the reinforcement is configured to apply a rotational force to the wearer's arm, when worn, to urge a portion of the wearer's arm to rotate in a predetermined direction. The orthotic support may be usable to treat or prevent shoulder dislocation or subluxation, arm over-pronation or over-supination, wrist flexion or elbow flexion. An orthotic support may comprise a reinforcement with a first branch extending over an anterior portion of the sleeve section, and a second branch extending over a posterior portion of the sleeve section, so that the reinforcement is configured to urge the wearer's upper arm towards a rest position.

A method of operating a fitness tracking system including a plurality of sensors is disclosed herein. The method includes mounting a biometric monitoring device on an article of apparel worn by a user. The method further includes receiving a prompt indicating that the user intends to provide a verbal cue via a microphone provided on the biometric monitoring device. After receiving the verbal cue from the user one of a plurality of exercise modules is selected for execution by the processor. Each of the plurality of exercise modules is configured to generate workout metrics based at least in part on physiological data received from a first of the plurality of sensors without regard to physiological data from a second of the plurality of sensors. The selected exercise module generates workout metrics for the user for a limited period of time ranging from selection of the exercise module until occurrence of a termination event.