The present invention is a portable resistance machine that allows a user to perform rowing, skiing, paddling, or any other physical activities at any suitable location. The portable resistance machine contains a housing, a pulley, a flywheel, a planetary gear assembly, an anchor, a retraction mechanism, and a pull cord. The housing contains a central gear support. The pulley, the flywheel, the planetary gear assembly, and the retraction mechanism are positioned within the housing. The central gear support is positioned within the housing. The planetary gear assembly is positioned within the central gear support. The pulley and the flywheel are axially connected opposite to each other along the planetary gear assembly. The retraction mechanism is operatively connected to the pulley, where the retraction mechanism is configured to retract the pull cord into a spooled state around the pulley. The anchor is externally connected to the housing.

An interactive boxing trainer having a boxing object and a trainer is provided. An accelerometer is installed in the boxing head of the boxing object so that the acceleration of the boxing head can be sensed, and the force applied onto the boxing head, including its strength and direction, can be calculated accordingly. With this architecture, the cost of installation and maintenance is also reduced.

A stabilizer system includes first and second base members each forming a passage; first and second rod members; each passage being sized for receipt of a corresponding one of the first and second rod members; each of the first and second base members forming a T-shaped receptacle; first and second barrel fasteners; each T-shaped receptacle being sized for selective engaged receipt of a corresponding one of the first and second barrel fasteners for securing the base members to corresponding ones of the first and second support legs of a target gameboard; first and second spike members each having a threaded tip; and each of the first and second rod members forming a threaded cavity that is sized for engaged receipt of the threaded tip of a respective one of the first and second spike members, wherein a second end of the spike member is sized for engaging the ground surface.

The leash assembly includes a leash mechanism with a body, a cord, a clip and a handle that extends from the body. The body presents two spaced apart circular sides with outer peripheral edges. The cord extends from an interior of the body between the circular sides to a free end. The clip is attached with the free end of the cord for attaching the cord with the collar of the animal. The leash assembly further includes a cover with first and second portions which at least partially cover the circular sides of the body of the leash mechanism. The first and second portions of the cover has outer peripheries which generally follow at least a portion of each of the outer peripheral edges of the generally circular sides of the body. The cover contains a high density material for increasing a mass of the leash assembly.

A static targeting apparatus for basketball, comprising; a mounting bracket, wherein the mounting bracket has a plurality of connection means to secure to a backboard, a vertical member having a first end and a second end, wherein the vertical member is attached to the mounting bracket, and a direction marker, wherein the direction marker is attached to the backboard, wherein, the direction marker is positioned relative to the hoop.

A ball net structure arranged to be portable, collapsible, and able to be configured into different arrangements for different nets and/or different sports-related activities. The ball net structure comprising a base structure including at least one support portion, at least one base extension, and at least one base extension hinge, wherein the at least one support portion and the at least one base extension are coupled to the at least one base extension hinge. At least one rod is removably coupled to the base structure and received by a net, wherein the net is adapted to exert a force on the at least one rod causing the at least one rod to exert a force onto said base structure.

Systems, devices, and methods are described for providing, among other things, a neck and spine strengthening device. The strengthening device includes a spinal resistance assembly configured to apply a resist force or to resist rotation about at least a first axis, and a head affixing assembly configured to secure to a head of a user during use. The strengthening device is instrumented with sensors and an embedded computing system configured to securely exchange exercise performance and configuration data with local client devices, and to monitor and record exercise activity and exercise performance data.

The subject invention comprises a system, and method of using the system, for providing improved alignment in multiple settings. Appropriate settings include woodworking, machining, and sports, although there are several other practical applications for this technology. The invention employs one or more alignment stations that have a base plate that anchors into a flat surface, guides that fit into the base plate, a top rotating element that fits onto the base plate secures the first set of guides into place, and a positional lock that locks the rotating element into place relative to the base plate.

A multifunctional abdominal exercise wheel with a pulling rope includes a first wheel assembly. The first wheel assembly includes a first main support, a first main wheel, a chassis cap and a first sucking disc. An end of the first main support is detachably connected to the first main wheel. The chassis cap is connected to the first main wheel by a bearing. The first sucking disc is connected to the chassis cap by a sucking disc support, and a sucking disc spring is arranged between the sucking disc support and the chassis cap. Another end of the first main support is disposed with a first beam, and the first beam is perpendicularly connected to the first main support. The multifunctional abdominal exercise wheel may have advantages of reasonable structure, multiple functions, high utilization, easy to carry, and being capable of meeting various occasions for fitness at any time.

A base apparatus for accommodating and rotating a fitness balance device for a balance workout routine is provided. The base apparatus comprises a bottom member, a ball bearing plate, a top member, a fastening mechanism, and multiple ball bearings. The ball bearings are disposed in a circular track located on an upper surface of the bottom member. The ball bearing plate is disposed between the bottom member and the top member. Each peripheral hole in the ball bearing plate is configured to accommodate a ball bearing. The top member is in communication with and disposed above the ball bearing plate, and is slidably fastened to the bottom member by the fastening mechanism. The top member comprises a collar for accommodating the fitness balance device, and is configured to rotate relative to the bottom member with the movement of the ball bearings in the circular track of the bottom member.