![]() Medial muscle attachment consist mostly of the subscapularis, with the serratus ventralis attaching dorsally. Just cranial to the glenoid cavity can be seen a bony prominence called the supraglenoid tubercle which is the origin of the biceps bracii muscle the cat also possesses a suprahamate process which lies proximal to the acromion and projects caudally. The bone is roughly triangular, with a prominent spine that can be palpated through the skin.ĭefines infraspinous and supraspinous fossae, inhabited by the infraspinatus and supraspinatus muscles respectively serves as a point of attachment for the trapezius muscle culminates in the acromion in all but the horse and pig. In ungulates, the dorsal border is extended by a scapular cartilage, which enlarges the area for muscle attachment. It is held in place by a synsarcosis of muscles and does not form a conventional articulation with the trunk. The Scapula forms the basis of the shoulder region, providing points of attachment of extrinsic and intrinsic muscles. 5.2.4 Muscles of the Carpal and Digital JointsĬommon Structures of the Proximal Forelimb and Shoulder Scapula.5.2.3 Muscles of Supination and Pronation.3 Common Structures of the Distal Forelimb.1 Common Structures of the Proximal Forelimb and Shoulder. ![]()
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