A tower may support a horizontal track and a vertical climbing wall therebelow. A trolley, movable along the track, may be selectively driven toward and away from the tower by belay lines, line and capstan, positive drive, or some combination. Belay lines reeved over pulleys on the trolley may be taken up and paid out independently from the trolley, while fixed or moving. A rider may climb, be lifted, or both to near the intersection of the tower and track, from there to fall or jump into a controllable trajectory such as swinging or simulating a parachute landing. Swinging may be rapidly attenuated almost entirely by “bumps,” lifting a rider to remove momentum and kinetic energy as a rider moves toward a pivot point overhead. Control may be simplified based on sensing and using timing past bottom dead center (BDC).

A multi functional exercise apparatus used for resistance training. An electric digital scale platform will be applied for the user to exercise with resistance bands and determine the resistance in units of pounds or kilograms.

Ejector devices and methods for golf putting training are provided. An ejector device can be configured for placement in a regulation golf hole. The ejector device can include a top member connected to a base by a lift mechanism. The lift mechanism is operated by a motor in response to commands received from a controller. The controller can selectively actuate the motor and cause the lift mechanism to raise the top member relative to the base, to thereby eject a golf ball from the hole. Such actuation can be in response to detecting the receipt of a selected number of golf balls in the hole. Alternatively, the ejector device can be operated in response to an actuation command entered by a user through a remote control device wirelessly connected to the ejector device.

A walking training system according to the present invention includes a belt conveyor on which a trainee walks, a frame, a sensor, and a control device. The frame, positioned on both sides of the belt conveyor, allows an assistant to place each of the feet thereon. The sensor measures the presence state of a foot on the frame. The control device determines whether there are three or more feet on the frame based on the measurement result of the sensor and, if it is determined that there are three or more feet, performs abnormal-time control.

A force measurement device has a motion dampening device having at least two ends. A first end is releasably engaged to a base frame and a second end is releasably engaged to a moveable member. A load cell is in communication with the motion dampening device. The load cell measures a force imparted by a user and the load cell registers the force to a display which depicts the registered force exerted by the user. A method for measuring the force a user imparts onto an exercise apparatus comprises the user imparting force onto a moveable member. The motion dampening device imparts a force substantially opposite to the user force and a load cell measures the force exerted by the user. The force is transmitted to a display wherein the display depicts the registered force imparted by the user.

A fitness structure includes a bar having a first end portion and a second end portion, a pair of bar support portions provided at each side of the bar and having a plurality of bar support members to place the bar at a plurality of heights, a first load portion and a second load portion spaced apart from the bar to a certain degree and facing each other, a first cable coupled between the first end portion of the bar and the first load portion, a second cable coupled between the second end portion of the bar and the second load portion. Heights of the first load portion and the second load portion vary depending on a height of one of the plurality of bar support members at which the bar is detachably placed.

An adjustable dumbbell system may include a handle assembly, at least one weight, at least one sensor, and a computing device. The at least one weight may be selectively fixedly connectable to the handle assembly. The least one sensor may be positioned on the handle assembly. The at least one sensor may be configured to detect a handle assembly attribute indicative of whether the at least one weight is fixedly connected to the handle assembly. The computing device may be in communication with the at least one sensor and may be configured to receive information regarding the handle assembly attribute from the at least one sensor.

A method is disclosed for using an artificial intelligence engine to modify resistance of pedals of an exercise device. The method includes generating, by the artificial intelligence engine, a machine learning model trained to receive measurements as input, and outputting, based on the measurements, a control instruction that causes the exercise device to modify, independently from each other, the resistance of the pedals. While a user performs an exercise using the exercise device, the method includes receiving the measurements from sensors associated with the pedals. The method includes determining, based on the measurements, a quantifiable or qualitative modification to the resistance provided by a pedal of the pedals. The resistance provided by another pedal of the pedals is not modified. The method includes transmitting the control instruction to the exercise device to cause the resistance provided by the pedal to be modified.

A balance training system includes: a load detection part including a mounting surface for supporting soles of feet of a trainee in a standing state, the load detection part detecting a load received from the trainee riding on the mounting surface; a mobile body to which the load detection part is attached; a control unit that calculates a position of a center of gravity of the trainee based on the load detected by the load detection part and controls a movement of the mobile body based on a change of the position of his/her center of gravity; and a vibrator provided so as to be able to apply a vibration to the trainee. The control unit vibrates the vibrator so as to prompt the trainee to move the position of his/her center of gravity from a current position of the center of gravity to an expected position thereof.

An adjustable barbell or dumbbell or exercise device includes a handle device having a handle bar engageable into grooves of a number of weight members, a number of plates disposed on the handle bar and engageable between the weight members, and the plates each include an engaging element for engaging with the weight members and for anchoring a selected number of weight members to the handle bar, and a detecting device is attached to the handle device and includes a weight detector connected to a processing unit for sending weighing signals to the processing unit, and a displayer for displaying a total weight of the handle device and the weight members.