1. UPPER MUSCLES

2. Muscles of the face and mastication
Masseter
Action - Elevates mandible
Temporalis

3. Muscles of the anterior triangle of the neck
Digastric
Action -Elevates hyoid bone
Mylohyoid
Sternohyoid
Action - Depresses hyoid bone and hence larynx
Sternothyroid
Action - Depresses larynx
Thyrohyoid
Action - Elevates larynx or depresses hyoid bone
Sternocleidomastoid
Action - Flexes and laterally rotates cervical spine.

4. Muscles of the anterior triangle of the neck

5. Muscles that act on the scapula
Clavo-trapezius
Action - Elevates and rotates scapula
Acromio-trapezius
Action - Adducts scapula
Spinotrapezius
Action - Depress scapula
Pectoralis Minor
Levator scapulae
Action - Elevate scapula
Serratus Anterior
Action - Anterior rotation of scapula
Rhomboideus
Action - Adducts scapula

6. Muscles that act on the scapula

7. Muscles that act on the arm
Pectoralis Major
Action - Flex and adducts humerus
Clavo-deltoid
Action - Flex humerus
Acromio-deltoid
Action - Abduct humerus
Spino-deltoid
Action - Extend humerus
Infraspinatus
Action - Lateral rotation humerus
Supraspinatus
Subscapularis
Action - Medial rotation humerus
Latissimus dorsi
Action - Adduct humerus
Teres Major

8. Muscles that act on the arm

9. Muscles that act on the forearm (radius and ulna)
Triceps Brachii
Action - Extend forearm
2. Biceps Brachii
Action - Flex forearm
3. Brachialis
4. Brachioradialis
5. Pronator Teres
Action - Pronation
6. Supinator
Action - Supination

10. Muscles that act on the forearm (radius and ulna)

11. Muscles that act on the wrists, hands and fingers
Extensor Carpi radialis longus
Action - Extend wrist
Extensor Carpi radialis brevis
Extensor Carpi ulnaris
Extensor Digitorum
Action - Extend fingers
Extensor Digiti Minimi
Action - Extends 5th digit
Flexor Carpi Radialis
Action - Flex wrist
Flexor Carpi Ulnaris
8. Palmaris Longus
Action - Flex wrist
9. Flexor Digitorum Profundus
Action - Flex fingertips
10. Flexor Digitorum Superficialis
Action - Flex middle phalanges
11. Abductor Pollicis Brevis
Action - Abduct thumb

12. Muscles that act on the wrists, hands and fingers