Lateral view of the thoracic limb. M. supraspinatus—supraspinal muscle; M. triceps brachii, caput laterale—triceps arm muscle, lateral head; M. triceps brachii, caput mediale—triceps arm muscle, medial head; M. pronator teres—round pronator muscle; M. extensor carpi radialis—extensor carpi radialis muscle; M. extensor digitorum longus—fingers long extensor muscle; M. extensor digitorum superficialis—fingers superficial extensor muscle; M. extensor digitorum communis—commonous fingers extensor muscle; M. extensor carpi ulnaris—extensor carpi ulnaris muscle; M. deltoideus pars acromialis—deltoid muscle, acromial part. I—finger I; II—finger II; III—finger III; IV—finger IV, V—finger V.