MUSCLES OF THE THORACIC LIMB 



321 



The supraspinatus ends chiefly on the external tuberosity of the humerus, hut 

 has a small attachment to the internal tuberosity also. 



The infraspinatus is inserted into the outer surface of the external tuberosity 

 of the humerus. 



Teres major 



Latissimus dorsi 



Long head of triceps 

 Tensor fiiscue unlilmichii 



Internal head of triceps ----- ■' 



Flexor carpi medius -*' 



Flexor carpi i)dernits 

 Superficial digital flexor 



Deep digital flexor 



Subscapular is 



'.^ Suprasj)inatus 



I 



\ "T^V"'" Coraco-brachialis 



Accessory head of triceps 



Biceps brachii 



Humerus 



Extensor carpi rudialis 



Pronator teres 



Radius 



Radial head of deep 

 digital flexor 



Tig. 232.-MUSCLES of Thoracic Limb of Dog. Internal View. (EUenberger-Baum, Anat. des Hundes.) 



The teres minor arises on a tubercle on the posterior border of the scapula, 

 just above the glenoid cavity, and is inserted into the deltoid ridge. 



The subscapularis is wide and is somewhat multipennate m structure, being 

 intersected by fibrous septa which are attached to the rough lines on the costal 

 surface of the scapula. 

 21 



