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The trap bar is an implement used in weight training. It is an assemblage of bars bent into an angle, then welded into a shape which lies flat in a plane, consisting of:
- A barstock welded into a hexagonal or diamond shape, sized to allow a person to stand in the middle
- Two (almost always) coaxial stub bars, welded to opposing positions on the outside of the perimeter of the hollow portion to hold weight plates.
- A set of handles pointing forward and back, are welded inside the hollow portion.
The trapbar was invented, patented and trademarked by Al Gerard, a competitive powerlifter. It is named after the (upper fibres of the) trapezius muscles, the muscle it was designed to train, with shoulder shrugs.
The stubs are used for loading the trapbar with plates. The handles are used to hold the trapbar while an exercise is performed. Note that these handles are aligned at a 90 degreeangle to the plate-loading bars.
Variants are produced by several vendors.
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