A multi axes exercise machine for strengthening muscles surrounding shoulder joint of a user allows the user a range of motions about {HEAD ~ lines} of motion perpendicular to {TAIL ~ an arc} of circumduction of the shoulder joints 
perpendicular to
A multi axes exercise machine for strengthening muscles surrounding shoulder joint of a user allows the user a range of motions about { HEAD ~ lines } of motion perpendicular to { TAIL ~ an arc } of circumduction of the shoulder joints
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH