4837c, anatomical, anatomically, arm, arms, back, backs, bone, bones, brachial, brachium, caput, deltoid, elements, exh4837c, extensor, extremities, extremity, features, head, heads, infraspinatus, leg, legs, limbs, muscle, muscles, muscular, musculare, muscularis, musculature, neck, necks, nerve, nerves, nervous, posterior, prominently, sciatic, shown, skeletal, skeleton, skeletons, systems, trapezius, upper, 98