Muscle functions

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SOME ANATOMY NOTES THAT GOT ME THROUGH THE MUSCLE FUNCTIONS SECTION

ELEVATORS OF SCAPULA 1. Upper fibres of trapezius 2. Levator scapulae

DEPRESSORS OF SCAPULA 1. Lower fibres of trapezius 2. Pectoralis minor

RETRACTORS OF SCAPULA 1. Middle fibres of trapezius 2. Rhomboids


PROTRACTORS OF SCAPULA 1. Serratus anterior 2. Pectoralis minor

ADDUCTORS OF ARM 1. Upper and lower fibres of trapezius (synergistically) 2. Levator scapulae 3. Rhomboids 4. Teres major 5. Latissimus dorsi 6. Pec. major

ABDUCTORS OF ARM 1. Serratus anterior 2. Pec. Minor 3. Supraspinatus 4. Deltoid (the whole muscle) 5. Corachobrachialis

MEDIAL ROTATOR OF GH JOINT 1. Subscapularis


2. Deltoid (anterior fibres) 3. Teres major 4. Latissimus dorsi 5. Pec. major

LATERAL ROTATOR OF GH JOINT 1. Infraspinatus 2. Teres minor 3. Deltoid (post. Fibres)

FLEXION OF SHOULDER 1. Deltoid (anterior fibres) 2. Pec. Major 3. Coracobrachialis

EXTENSION OF SHOULDER 1. Deltoid (post. Fibres) 2. Teres major 3. Latissimus dorsi

PRONATOR OF FOREARM 1. Pronator teres


2. Pronator quadratus

SUPINATOR OF FOREARM 1. Supinator 2. Biceps brachii

(CHECK OUT THE NOTES ON FOREARM MUSCLES TO REVIEW THEIR ACTIONS)


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