An exercise apparatus comprising a housing for substantially enclosing a hand of a user, an opening within the housing for receiving a hand of the user, a handle within the housing, a plurality of vents in the housing, which is weighted and balanced whereby in use the user grips the handle to perform resistance and aerobic exercises using the exercise apparatus.

The invention relates to a method, an exercise device and a software for measuring maximum muscle strength value. Wherein, the method for measuring the maximum muscle strength value through an exercise device with dynamically variable resistance signal-connected to an arithmetic control unit, is obtained by performing the following steps. The steps include: an obtaining original muscle strength value step, an initial muscle strength value generation step and a maximum muscle strength value generation step. The characteristic of the present invention is that the maximum muscle strength value is obtained according to the position of the exercise process, which overcomes the shortcoming of traditional technology that can only obtain a single data. Moreover, the present invention further forms a maximum muscle strength curve, whereby the obtained data can be used in fitness training to effectively improve training effects and avoid muscle injuries caused by overloading.

An exercise machine with an adjustable safety tier and rack out hook system, having: (a) a safety tier attached to and moveable along each of a pair of upwardly-extending guide rods, wherein the safety tier can be rotated to a locked position such that the safety tier latches onto the upwardly-extending support member or rotated to an unlocked position; (b) a counterweight connected to each safety tier; and (c) a rack out hook attached to and moveable along each of the upwardly-extending guide rods, wherein the rack out hook can be rotated to a locked position such that the rack out hook latches onto the upwardly-extending support member or rotated to an unlocked position.

A method and system for measuring exercise data using a plurality of wireless sensors is disclosed. The plurality of wireless sensors are attached onto or into a plurality of pieces of strength training equipment, wherein each individual wireless sensor from the plurality of wireless sensors is attached to and associated with an individual piece of strength training equipment of the plurality of pieces of strength training equipment. An individual piece of strength training equipment of the plurality of pieces of strength training equipment is selected and the wireless sensor is registered with selected piece of strength training equipment with a computing device. Strength training equipment details may be identified through the computing device.

Disclosed is a modular elastic support device including a base unit and at least one modular unit used for enhancing performance during weight training, or resistance training. The base unit and the modular unit include a substantially rectangular shaped chest band, and two arm cuffs at either end of the chest band. The modular unit is stacked over the base unit, or over preceding modular units. A user can add any number of modular units as desired to enhance performance. The modular design of the device allows for device formation, without the need to sew successive units together or without the use of fasteners. An optional power shirt may be used along with the device to further enhance the user's performance.