MOVEMENTS OF THE ELBOW JOINT AND THE MUSCLES PRODUCING THESE ACTIONS FLEXION Anconeus < s YErachio radialis i or ; 1) pao Carpi Radialis Longus 7 fi Spf fe txrensor Carpi Radialis Brevis . 4, Pe EXTENS ION # . f mn - f ““Bxtensor Digitorum Communis , “Extersor Digiti Quinti Propius a Carpi Ulnaris \ firouer Girpi Radialis WX \y\ SUPINATION exor D§.gitorum Sublimus Fkexor Cerpi Ulnaris \ Pronator Teres : fo Longus 4 Supinate@- PRONATION Triceps ‘orachii