a brace for training basketball players has a base for fitting over an arm of a user . either the upperarm or forearm of one arm of a user is referred to the &# 34 ; base member ,&# 34 ; the remaining member being the &# 34 ; moving member ,&# 34 ; regardless of which member actually moves . a yoke extends away from the base , forming a cradle for receiving the moving member . the yoke restrains the moving member from closing against the base member at less than a certain angle . the yoke also urges the moving member and base member into a predetermined relative rotation with respect to one another . a band attaches the base to the base member . the band may be a flexible , non - extensible strap having fasteners at the ends for opening , closing and adjusting the strap . a hook - and - loop fastener permits adjustment of a single , wide strap along the length of the base . an adjustment member may be provided for adjusting the position of the yoke relative to the base .