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Erector spinae & quadratus lumborum

Laterally flexes vertebral column.

Posterior scalene

Elevates 2nd rib during inhalation.

Anterior & middle scalene

Elevates 1st rib during inhalation.

Splenius cervicis & capitis

Extends neck & turns head to same side.

Sternocleidomastoid

Lateral flexion, rotation of head to opposite side, flexes neck.

Medial rectus

Adducts eye.

Lateral rectus

Abducts eye.

Inferior rectus

Depresses & adducts eyes.

Superior rectus

Elevates & adducts eyes.

Inferior oblique

Elevates & abducts eyes.

Superior oblique

Depresses & abducts eyes.

Levator palpebrae superioris

Elevates upper eyelid.

Medial/lateral pterygoid & masseter

Protracts mandible.

Temporalis

Retracts mandible.

Diaphragm

Expands thoracic cavity.

Transversus thoracis/internal costals

Depresses ribs.

External intercostals/serratus posterior superior

Elevates ribs during inhalation.

Zygomaticus minor/major

Elevates corner of mouth.

Risorius

Retracts corners of mouth.

Platysma

Pulls lower lip inferiorly.

Pectoralis major/deltoid

Medially rotates arm.

Pectoralis minor/serratus anterior/subscapularis

Protracts scapula.

Orbicularis oculi

Closes eye.

Occipitalis

Retracts scalp.

Mentalis

Elevates and protrudes lower lip.

Levator labii superioris

Opens lips.

Depressor labii inferioris

Depresses lower lip

Depressor anguli oris

Depresses corner of the mouth.

Frontalis

Elevates eyebrows.

Buccinator

Compresses cheek.

Teres minor/major, infraspinatus, coracobrachialis, triceps brachii

Adducts arm.

Supraspinatus

Abducts arm.

Brachialis/triceps brachii, brachioradialis

Flexes forearm.

Anconeus

Extends forearm.

Pronator teres/quadratus

Pronates forearm.

Flexor carpi radialis/ulnaris, digitorum profundus, pollicis longus, palmaris longus

Flexes hand at wrist.

Extensor carpi radialis brevis/longus, digitorum, ulnaris, pollicis brevis/longus

Extends hand.

Supinator

Supinates forearm.

Abductor pollicis longus

Abducts thumb.

Trapezius, Levator scapulae, Rhomboid minor & major

Elevates scapula.

Latissimus dorsi, Pectoralis major/deltoid

Medially rotates arm.