FLEXOR DIVISION 



311 



Origin.— {I) The medial epicondyle of the humerus just behind the preceding 

 muscle; (2) the medial surface and posterior border of the olecranon. 



Long head of triceps 

 Medial head of triceps 



Olecranon 

 Ulnar head of deep flexor 



^^ 



Flexor carpi ulnaris^ 

 Flexor carpi radialis 



Accessory carpal hone — 

 Medial ligament of carpus 



Superficial flexor tendon - 



Deep flexor tertdon 

 Suspensory ligament 



Biceps brachii 



Extensor carpi radialis 



Long tendon of biceps 

 Brachialis 



Long medial ligament 



" Radi 



DistalendofMc.il 



Annular ligament — 



Superficial flexor tendon — 

 Deep flexor tendon 



Tendon of extensor carpi 

 obtiquus 



' Metacarpal tuberosity 



Me. Ill 



W 



\r 



■ Fetlock joint 



- Extenstjr branch of suspensory 

 ligament 



-Common extensor tendon 

 -Pastern, joint 



- Cartilage of third phalanx 



Fig. 281. — MxjscLES or Left Thoracic Limb of Horse from Elbow Downward; AIedial View. 

 j.Tbe fascia and the ulnar head of the flexor carpi ulnaris have been removed. 1, Distal end of humerus; 2, median 

 ■*/ vessels and nerve. 



Insertion. — The proximal edge of the accessory carpal bone. 

 Action. — To flex the carpal joint and to extend the elbow. 



