The wrist position between neutral and ulnar deviation that facilitates the maximum power grip strength.
D000328:Adult; D001696:Biomechanical Phenomena; D006801:Humans; D009119:Muscle Contraction; D014457:Ulna / Q000033:anatomy & histology*; D014953:Wrist / Q000033:anatomy & histology* / Q000502:physiology; D014955:Wrist Joint / Q000033:anatomy & histology