Disclosed herein are examples of user-paced exercise equipment, as well as related circuitry, methods, and computer-readable media. For example, disclosed herein is a user-paced treadmill, including a belt, a motor coupled to the belt, and control circuitry communicatively coupled to the motor. The control circuitry may be configured to change a velocity of the belt based at least in part on a body velocity and a leg swing velocity of a user of the user-paced treadmill.

Described herein are embodiments of stationary exercise machines having reciprocating foot and/or hand members, such as foot pedals that move in a closed loop path. Some embodiments can include reciprocating foot pedals that cause a user's feet to move along a closed loop path that is substantially inclined, such that the foot motion simulates a climbing motion more than a flat walking or running motion. Some embodiments can further include reciprocating handles that are configured to move in coordination with the foot via a linkage to a crank wheel also coupled to the foot pedals. Variable resistance can be provided via a rotating air-resistance based mechanism, via a magnetism based mechanism, and/or via other mechanisms, one or more of which can be rapidly adjustable while the user is using the machine.

A method for controlling exercise load variations in a strength exercise machine, includes, at a current time instant t.sub.i, detecting an exercise position within a set range of motion of a user, and checking if a previously set trigger condition of an exercise load variation includes the detected exercise position of the user within the set range of motion. If a previously set trigger condition of an exercise load variation includes the detected exercise position of the user within a respective range of motion, the method includes setting a trigger condition of an exercise load variation as the current trigger condition of exercise load variation having a first speed threshold for execution of motion by the user, and reducing an exercise load based on a comparison of speed for execution of motion by the user and the first speed threshold.

A medicine ball has a gyroscope housed inside a rotatable capsule, a user interface configured to receive a user input, a programmable controller, and a power source each communicatively coupled with the user interface. In operation, the power source supplies power to the gyroscope, the rotatable capsule, and the programmable controller in response to receiving the user input at the user interface. The programmable controller controls the movement of the gyroscope and the rotatable capsule in response to receiving the user input at the user interface.

A machine for gymnastic exercises includes a gripping element which can be gripped by a user, and a first motor and a second motor able to be commanded independently from each other and each configured to generate respective loads suitable to define a resistant force perceived on the gripping element during a traction exerted on the latter by a user. The machine also includes a sliding guide and a slider installed slidingly on the sliding guide.

Disclosed herein are examples of user-paced exercise equipment, as well as related circuitry, methods, and computer-readable media. For example, disclosed herein is a user-paced treadmill, including a belt, a motor coupled to the belt, and control circuitry communicatively coupled to the motor. The control circuitry may be configured to change a velocity of the belt based at least in part on a body velocity and a leg swing velocity of a user of the user-paced treadmill.

A method is disclosed for using an artificial intelligence engine to modify resistance of one or more pedals of an exercise device. The method includes generating, by the artificial intelligence engine, a machine learning model trained to receive one or more measurements as input, and outputting, based on the one or more measurements, a control instruction that causes the exercise device to modify the resistance of the one or more pedals. The method includes receiving the one or more measurements from a sensor associated with the one or more pedals of the exercise device, determining whether the one or more measurements satisfy a trigger condition, and responsive to determining that the one or more measurements satisfy the trigger condition, transmitting the control instruction to the exercise device.

The present invention relates to a wearable device using a flexible non-powered variable impedance mechanism, wherein the device can induce a user to have a correct posture during a squat exercise or lifting work, and can assist the user's muscular strength. According to the present invention, an angle between a (1-1)th lower string and a (1-2)th lower string and an angle between a (2-1)th lower string and a (2-2)th lower string change according to a knee angle depending on the user's posture, whereby an impedance mechanism that the user feels through the body changes.

A Kegel trainer includes a frame, two tensioning plates provided at an end of the frame, and a rubber cover sleeved outside the frame and the two tensioning plates. The tensioning plates are provided with arc-shaped warped portions. The two tensioning plates are provided therebetween with a separating chamber. The separating chamber is provided therein with a slidable adjusting mechanism. The adjusting mechanism includes a retaining plate assembly. The retaining plate assembly is provided with a fixed hollow tube assembly. The fixed hollow tube assembly is provided with a slide hole. The slide hole is provided therein with a movable ejector pin. The ejector pin is provided with a compressed spring. The frame is provided with a rack, a battery, a vibration machine, and a circuit board. The circuit board is provided with a switch, a charging port, and an indicator light.

A seated leg extension exercise station and or a seated leg curl exercise station integrated into an exercise machine comprising an indirect alignment pivot mechanism to control the motion of the user engagement ankle pads such that the user's ankles and the machine's ankle pads are aligned to move in the same arcing path throughout the exercise motion and wherein all of the components of the indirect alignment pivot mechanism are located below the top surface of the seat pad during at least a portion of the exercise motion such that there is unobstructed access to the top surface of the seat pad when the user enters and exits the machine.