A weight arm assembly for use with a weight lifting rack is provided, the weight arm assembly including a mounting bracket configured to be attached to a vertical surface in a fixed position, an arm mount configured to be coupled to the mounting bracket so as to be pivotable about a first axis, a stop member coupled to the arm mount and configured to move between an engaged position to prevent pivoting of the arm mount through interaction with the mounting bracket, and a disengaged position to allow pivoting of the arm mount, and a weight arm configured to be coupled to the arm mount, proximate a first end of the weight arm, so as to be pivotable about a second axis substantially orthogonal to the first axis.

A reciprocating transmission structure of an exercise machine, mounted to a frame of the exercise machine, includes a first reciprocating member, a second reciprocating member, a main rotating wheel, a first link, a second link, and a resistance wheel. The first reciprocating member reciprocally moves with a first reciprocating pivot portion as its axis. The second reciprocating member reciprocally moves with a second reciprocating pivot portion as its axis. The first link and the second link drive the main rotating wheel to rotate with a rotating shaft as its axis. The main rotating wheel drives the resistance wheel to rotate. After the first reciprocating member and the second reciprocating member move reciprocally, the resistance wheel can be driven to rotate by the cooperation of various components. The exercise machine is suitable for performing exercises related to reciprocating movement, and the operation is easier.

A range of motion limiting device, in one example comprising a first armature configured to engage a carriage moving on at least one rail having a first surface and a second surface transversely offset from the first surface of the rail. Also disclosed is an example utilizing a first bumper adjacent the first longitudinal end of the first armature. The first bumper extending transversely from the first transverse side of the first armature, optionally having a distal end with a non-slip surface engaging the first surface of a rail. Also disclosed is a second bumper longitudinally offset from the first bumper on the first armature, the second bumper extending transversely from the second transverse side of the first armature, also optionally having a distal end with a non-slip surface engaging the second surface of the rail.

A rowing machine is disclosed. The rowing machine includes a frame including a base for contact with a support surface and a seat rail supported by the base. The rowing machine includes a seat configured to reciprocate back and forth along the seat rail. The rowing machine includes a rowing engine that includes at least one resistance mechanism rotatably coupled to the frame. The rowing machine includes at least one handle operatively connected to the at least one resistance mechanism, and a paddle linkage assembly operatively connecting the at least one handle to the at least one resistance mechanism such that rearward movement of the handle is resisted by the at least one resistance mechanism.

An exercise machine comprises a tension generating device, a translatable arm mount coupled to the tension generating device, an arm coupled to the translatable arm mount, and a cable coupled to the tension generating device via the arm.

An exercise apparatus for attachment to an exercise rack including an arm, including: at least one mounting prong connected to the arm; and, a stand including a pivot point, wherein the pivot point defines a pivot axis substantially transverse to a longitudinal axis of the arm, and wherein the stand is configured in a first, vertical configuration when the apparatus is at rest and a second, largely horizontal configuration when the apparatus is in motion, and wherein the stand is rotatable with respect to the arm about the pivot axis to transition the stand from the first configuration to the second configuration.

A direct drive resistance system for exercise machines having a weighted moment arm that is lifted and lowered by a lifting moment arm and lifting component, which is moved by a force transfer assembly, which is operatively connected to a rotary component of an exercise machine, such that when the exercise machine is activated the force transfer assembly, the lifting moment arm, the lifting component and the weighted moment arm move concurrently to create a resistance force to the motion of the exercise machine.

A unique full body exercise experience is provided by embodiments that produce user controlled resistance that can be assigned verbally, remotely by electronic means or manually. The embodiments can sense hand and foot location and then automatically change the resistance according to those locations, or by spoken word or programmed time. Exercise resistance can be offered in the three dimensions of space. Muscle groups can be exercised in complementary fashion with movements that fully stress the muscles. Two-movement exercises can be repeated endlessly or complicated ensembles in 3-space can be strung together, all with unlimited, user-defined changes of resistance. Every movement that is possible to perform with free weights or universal gyms is available to the user. Movements that are impossible with weights are easily performed with great safety. There has never been anything like this.

An exercise machine has a main frame and a user support movably mounted relative to the main frame for movement between a start position and an end position during an exercise. At least one user engagement device is movably mounted relative to the main frame for engagement and actuation by a user during an exercise, and a connecting linkage translates movement of the user engagement device to movement of the user support. A lifting arm is movably mounted relative to the main frame and associated with at least one of the user support, user engagement device, and connecting linkage so as to move during an exercise. A load associated with the lifting arm provides exercise resistance.

Systems and methods for fitness tracking are provided. An exercise apparatus is in networked communication with a fitness tracking computing system. The configuration and location of movable components of the exercise apparatus is determined based on sensors. This information is provided to the fitness tracking computing system via networked communication.