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