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Cat Muscles II

Upper Limb

TermDefinition
Acromiodeltoid O: acromion process of scapula; I: deltoid ridge of humerus; A: flexes and rotates humerus externally
Acromiotrapezius O: spinous (neural) processes of cervical & thoracic vert; I: metacromion process and spine of scapula; A: draws scapula dorsally and medially
Brachialis O: Humerus (lateral); I: Ulna (below semilunar notch); A: Flexes forearm
Brachioradialis O: middle of humerus; I: distal end of radius; A: supinator of manus
Biceps brachii O: (Tuberosity ridge surrounding) Glenoid fossa; I: Radius (tuberosity); A: Flexes forearm
Clavobrachialis O: Clavicle; I: Proximal end of ulna; A: Draws humerus craniad
Clavotrapezius O: nuchal line of skull & dorsal midline; I: clavicle; A: draws humerus craniad
Coracobrachialis O: Coracoid process of the scapula; I: Mid-medial surface of the humerus; A: Flexes and adducts the arm at the shoulder joint
Epitrochlearis O: Lateral surface of Latissimus dorsi; I: Olecranon process of ulna; A: Rotates ulna
Extensor carpi radialis O: Humerus (distal); I: Metacarpals II and III; A: Extends manus
Extensor carpi ulnaris O: Lateral epicondyle of humerus; I: Metacarpal V; A: Extends manus
Extensor digitorum communis O: Humerus (distal). I: Digits II-V. A: Extends manus
Extensor digitorum lateralis O: Humerus (distal). I: Digits II-V. A: Extends manus (digits)
Flexor carpi radialis O: medial epicondyle of humerus. I: digits II and III. A: flexes manus
Flexor carpi ulnaris O: medial epicondyle of humerus and ulna. I: carpal bone (pisiform). A: flexes manus
Flexor digitorum profundus O: Humerus, ulna, radius. I: Digits I-V. A: flexes manus
Infraspinatus O: infraspinous process of scapula. I: greater tuberosity of humerus. A: external rotation of the humerus
Levator scapulae ventralis O: occipital bone and transverse process of atlas. I: metacromion process. A: draws scapula craniad
Palmaris longus O: Medial epicondyle of humerus. I: Digits II-V. A: Flexes manus
Pectoantebrachialis O: Manubrium. I: fascia of forelimb near the elbow. A: adducts and rotates the forelimb
Pectoralis major O: Sternum; clavicle. I: Humerus. A: Adducts forelimb
Pectoralis minor O: Anterior surfaces of the sternal ends of ribs 3-5. I: Coracoid process of scapula. A: Draws scapula forward and downwards
Pronator teres O: Medial epicondyle of humerus. I: Radius (medial). A: Pronates manus
Spinodeltoid O: spine of scapula. I: deltoid ridge of the humerus. A: elevates and rotates humerus
Spinotrapezius O: neural processes of thoracic vertebrae. I: fascia around scapula. A: draws scapula dorsally and caudad
Subscapularis O: subscapular fossa. I: lesser tuberosity of humerus. A: draws humerus medially
Supinator O: Lateral epicondyle of humerus. I: Radius (proximal). A: Supinates manus
Teres major O: axillary border of scapula. I: medial surface of humerus. A: draws humerus medially
Teres minor O: Middle part of the axillary border of scapula. I: Inferior aspect of greater tubercle of humerus. A: rotates humerus
Triceps brachii (medial head) O: Humerus. I: Olecranon process of ulna. A: Extends forearm
Triceps brachii (lateral head) O: Humerus. I: Olecranon process of ulna. A: Extends forearm
Triceps brachii (long head) O: Scapula. I: Olecranon process of ulna. A: Extends forearm
Supraspinatus O: supraspinous fossa. I: greater tuberosity of humerus. A: extends (abducts) the humerus
Created by: 100000033006215