what muscles used in arm wrestling
The only good (time efficient) exercise is to mimic the arm wrestling motion--with a cable machine perhaps. The role of the wrist is also a contributing factor in arm wrestling, but that is much more simple. In this part, the forearm flexors is the muscle that's used.
Confidence votes 44. There are several muscles used to actually rotate your arm about the shoulder joint. Here is a list of some of them: pectoralis major, subscapularis, coracobrachialis, biceps brachii, supraspinatus, deltoid, latissimus dorsi, teres major and minor, infraspinatus, long head of triceps.