Insertions and Origins of the muscles of the cat - Anterior View Flashcards
Pectoantebrachialis - Insertion
Humerus
Pectoantebrachialis - Origin
Manubrium
Pectoantebrachialis - Action
Adducts humerus
Pectoralis major - Insertion
Humerus
Pectoralis major - Origin
Ribs 1-6, sternum, clavicle
Pectoralis major - Action
Adducts, flexes and medially rotates humerus
Pectoralis minor - Insertion
Coracoid process of scapula
Pectoralis minor - Origin
Ribs 3-5
Pectoralis minor - Action
Scapular protraction; draws ribcage superiorly
Xiphihumeralis - Insertion
Humerus
Xiphihumeralis - Origin
Xiphoid process
Xiphihumeralis - Action
Adducts, medially rotates humerus
Serratus ventralis - Insertion
Scapula
Serratus ventralis - Origin
Ribs 1-8
Serratus ventralis - Action
Abduction of humerus; lateral rotation of scapular; scapular protraction; depression of scapula
Subscapularis - Insertion
Lesser tubercle of humerus
Subscapularis - Origin
Subscapular fossa
Subscapularis - Action
Medial rotation of humerus
Triceps brachii - Insertion
Olecranon process of ulna
Triceps brachii - Origin
Scapular, humerus
Triceps brachii - Action
Forearm (elbow) extension
Biceps brachii - Insertion
Radial tuberosity
Biceps brachii - Origin
Scapular
Biceps brachii - Action
Flexion of forearm (elbow); supination of forearm
Rectus abdominis - Insertion
Ribs 5-7; xiphoid process