A training device includes a backpack having a pair of shoulder straps, a rigid backbrace having at least two arms, a pair of lower support members coupled to ends of the rigid backbrace, and a resistance band coupled to each of the pair of lower support members and terminating in a handle.

A golf training aid is disclosed for use with alignment sticks. The golf training aid includes an elongate member with a longitudinal axis and a first and second set of holes. The first set of holes is space apart farther than the second set. The elongate ember also has a target alignment hole positioned in between the first and second set of holes. All the holes are constructed to receive and hold an alignment stick. The golf training aid has least two configurations: a wide hitting box configuration and a narrow box configuration.

A pedaling exercise machine according to the present embodiment includes: a pair of right and left pedal portions on which feet of a user are placed; a rotation mechanism that rotates the pedal portions when the feet of the user step on the pedal portions; a seating portion that is disposed on a rear end side of the rotation mechanism separately from the rotation mechanism and on which the user is seated; a fixing member disposed on a front end side of the rotation mechanism; and a belt member that is detachably connected to the seating portion and provided to extend from the fixing member to the seating portion.

The present invention relates to a novel fitness weight device designed to allow users to customize dumbbell weights by filling the air chambers with air. The device comprises a dumbbell-styled weight with an inflatable air chamber. The devices can be inflated via a push button. Users can inflate the dumbbell devices to a desired weight for customized workouts. Once finished, the user can activate the air release valve to compact or retract the dumbbell for storage.

Aspects of the disclosure relate to yoga mats. In one example, a yoga mat preserver is disclosed, which includes a perimeter with dimensions substantially similar to a yoga mat, and a thickness substantially less than a thickness of the yoga mat. For this example, at least one component of the yoga mat preserver comprises a moisture absorbent material. In another example, a yoga mat carrier is disclosed, which includes a first end configured to wrap around a circumference of a first end of a rolled yoga mat, and a second end configured to wrap around a circumference of a second end of the rolled yoga mat. The yoga mat carrier further includes a strap in which a first end is attached to the first end of the yoga mat carrier, and a second end is attached to the second end of the yoga mat carrier.

A set of dumbbells comprises a plurality of dumbbells of different weights with the dumbbells having a common length. A plurality of adder weights is provided with each adder weight having a cavity that is sized to receive the common length of any one of the dumbbells. Any one of the dumbbells is dropped down into the cavity of any one of the adder weights. A slide retainer is then slid into a slideway on the any one adder weight to overlie the dumbbell and secure the dumbbell to the any one adder weight. The slide retainer has a window therein to allow a user to reach through the slide retainer and grip a hand grip of the dumbbell.

A rooftop mount device for connecting to a roof of a portable gym and for attaching exercise equipment is described. The portable gym is a portable container, such as a shipping container, having a top surface, or roof, to which the rooftop mount is attachable. The rooftop mount device includes connection members. The rooftop mount can also include one or more horizontal stabilization members and equipment attachment elements. The connection members are attached to a roof of the container. Exercise equipment is attached to the parts of the rooftop mount device. The rooftop mount provides proper height and stability for the bars, racks, stands, cages, rigs and riggings, and other exercise equipment that are attached to the container's roof so that the equipment does not move during use by an exerciser. Systems and kits are also described, which include a rooftop mount device, various exercise equipment, and a portable container.

Portable modular training systems are described herein. In one aspect, a modular training system includes a system container including a container front, a container rear, a container first side, a container second side, a container bottom, and a container top, defining a container cavity, and an exercise structure comprising a platform connector with a vertical support bar coupled to an interior surface of the system container and a horizontal bar coupled to the vertical support bar and extending external to the system container via an aperture defined by the system container.

An exercise rack enclosure system for providing an exercise rack which is concealable within an enclosure. The exercise rack enclosure system generally includes an enclosure including an interior space. An exercise rack is pivotably connected to the enclosure within the interior space. The exercise rack is adjustable between a collapsed position, in which the exercise rack is completely positioned within the interior space of the enclosure, and an extended position, in which the exercise rack extends out of the interior space of the enclosure for use. The enclosure may optionally include one or more doors for concealing the interior space and exercise rack when not in use. Various attachments may be stored in the enclosure and removably connected to the exercise rack for performing a wide range of exercise moves.

The invention relates to an adjustable dumbbell and its use method. The dumbbell comprises a base and a dumbbell body, the dumbbell body comprises a handle and a bell piece, the handle is a combination of a central shaft and a handle sleeve, the handle is also connected with an indexing plate, a gear piece and a bell piece box, the ends on both sides of the central shaft are provided with a snap ring groove and a gear step from the outside to the inside, and the indexing plate is provided with a lock The bell box is connected with a bell box cover, the bell box cover is connected with a locking leaf spring and a steel ball spring, the locking leaf spring is connected with a locking leaf, and the steel ball spring is connected with a steel ball.