A system for clamping a bar, as non-exclusive example, a barbell collar, includes a first jaw forming a first portion of a hollow cylinder, a second jaw forming a second portion of the hollow cylinder, a hinge connecting the first jaw and the second jaw, a guide of the first jaw, a first latch element connected to the first jaw opposite the hinge, and a second latch element capable of removably connecting to the first latch element, the second latch element connected to the second jaw opposite the hinge. The first jaw and the second jaw form the hollow cylinder when the first latch element is connected to the second latch element. The system provides may include a weight that is attachable to the second jaw.

A holding device for using gym equipment for the purpose of muscle building training. The holding device has a handle part and a bracket, and the hand of a person using the holding device can be inserted between the handle part and the bracket. The hand side of the handle part is convexly curved with the exception of local depressions and/or perforations, and parts for releasably securing a dumbbell plate can be releasably secured to the lower face of the handle part. The hand side of the handle part has four groove-shaped depressions which are dimensioned and spaced from one another such when using the holding device as intended with a hand placed on the hand side, each finger is positioned in a respective depression of the groove-shaped depressions with the exception of the thumb.

A tire exercise system has a tire having an interior portion covered with an inner tire cover. At least four shoulder strap attachment points are attached to the tire and configured to secure a right and left shoulder strap. At least two handles are attached to the tire and configured to accommodate human hands. At least two anchors are attached to the tire and configured to accommodate a rope system. A waist harness includes a waist belt. An anchor is attached to the waist belt. A rope system is attached to the tire and the waist harness. The rope system includes a first carabiner attached to a bungee cord, which can then be attached to the tire. A ring is attached to the bungee cord. A rope is attached to the ring. A second carabiner is attached to the rope, which can then be attached to the waist harness.

An aqua-resistance exercise device includes an elongate member, a strap, fasteners, and one or more fins. The elongate member includes an engagement portion, a shaft extending from the engagement portion, and a handle to be gripped by a user. The fasteners are provided to the engagement portion of the elongate member and an inner side of the strap to releasably attach the strap to the engagement portion of the elongate member. The one or more fins are adapted to be received on the strap, and the fasteners releasably secure the strap to the engagement portion of the elongate member to thereby releasably secure the fins to the elongate member.

An aspect of the invention provides an annular exercise apparatus comprising an annular body having axially spaced annular faces and inner and outer side walls, the body section having a core and a flexible cover layer and defining an aperture inward of the inner side wall and extending axially through the end faces, wherein the aperture defines an annular lip having a diameter greater than a diameter of the aperture and less than a diameter of the inner side wall.

The invention relates to a fitness equipment, in particular to a weight bench. The structure of the weight bench allows for a stable horizontal and vertical positioning of the weight bench. In a horizontal position, the weight bench can be used for exercises weights. In a vertical position, the weight bench can be used for pull-up exercises.

A fitness activity apparatus has a frame having four vertical posts, the vertical posts comprising a left rear post, a right rear post, a left front post, and a right front post, the left rear post and right rear post being connected by a rear lateral bar, the left front post and right front post being connected by a front lateral bar, the left rear post and left front post being connected by a left side bar, the right rear post and right front post being connected by a right side bar, the left side bar and right side bar being at a common level to provide a support platform configured to support a circular weight plate having a selected plate diameter, and the rear lateral bar positioned at a first vertical level and front lateral bar being positioned at a different second vertical level.

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 balancing push up bar effective for strengthening core muscles is provided. The balancing push up bar includes a bar coupling a front arc and a rear arc. A shape profile of the front and the rear provide a rocking movement of the balancing push up bar. A user may be able to mount the bar and perform push-up exercises while balancing on the bar, strengthening, and tones the core muscles.

A core exercise apparatus having a frame. The frame has a first wall, a second wall, a frame roof, and a frame floor. A first bumper is coupled to the frame roof. A second bumper is coupled to the frame roof. A first plate is coupled to the first frame wall. A second plate is coupled to the second frame wall. An elongated handle is coupled to the frame floor. A pendulum is coupled to the first plate and second plate such that the pendulum swings from the first bumper to the second bumper and from the second bumper to the first bumper.