"origin: posterior proximal shaft of ulna; lateral epicondyle of humerus"
"insertion: lateral proximal shaft of the radius"
"insertion: lateral proximal shaft of the radius"
"innervation: posterior interosseous nerve (C7 and C8), a continuation of the deep branch of the radial nerve (C7, C8)"
"innervation: posterior interosseous nerve (C7 and C8), a continuation of the deep branch of the radial nerve (C7, C8)"
"action: supination of the forearm"
"action: supination of the forearm"
Expected headings
"Summary"
"origin: posterior proximal shaft of ulna; lateral epicondyle of humerus"