Anatomy of Facial, Neck, and Upper Limb Muscles

Buccinator

Compresses cheek.

Depressor anguli oris

Depresses corner of mouth.

Depressor labii inferioris

Depresses lower lip.

Frontalis (Occipitofrontalis)

Raises eyebrows.

Levator labii superioris

Elevates upper lip.

Nasalis

Compresses nose.

Orbicularis oculi

Closes eyelids.

Orbicularis oris

Closes/protrudes lips.

Platysma

Tenses neck.

Zygomaticus major

Origin: The lateral surface of the zygomatic bone, Insertion: The modiolus and skin at the angle of the mouth

Sternocleidomastoid (Anterior)

Origin: the sternal manubrium and medial clavicle, Insertion onto the mastoid process and superior nuchal line.

Trapezius (Anterior)

Identification.

Digastric (Anterior Belly)

Origin: The digastric fossa, Insertion: The intermediate tendon

Digastric (Posterior Belly)

origin: the mastoid notch (or mastoid groove) of the temporal bone insertion: intermediate tendon

Lateral pterygoid

Identification.

Medial pterygoid

Identification.

Masseter

Identification.

Pharyngeal constrictor

Identification.

Temporalis

origin: the temporal fossa originates and the deep surface of the temporal fascia insertion: apex and medial surface of the coronoid process of the mandible

Levator scapulae (Lateral)

Identification.

Scalene

Identification.

Sternocleidomastoid (Lateral)

Duplicate view.

Levator scapulae (Posterior)

Duplicate view.

Trapezius (Posterior)

Duplicate view.

Biceps brachii (Long Head)

Origin: supraglenoid tubercle of scapula, superior glenoid labrum

Insertion: radial tuberosity, deep forearm fascia

Biceps brachii (Short Head)

Origin: coracoid process of scapula

Insertion: radial tuberosity, deep forearm fascia

Brachialis

Identification.

Brachioradialis (Anterior)

Identification.

Coracobrachialis

Identification.

Deltoid (Anterior)

Identification.

External abdominal oblique (Anterior)

Identification.

Pectoralis major

Identification.

Pectoralis minor

Identification.

Subscapularis

Rotator cuff.

Deltoid (Posterior)

Duplicate view.

Infraspinatus

Rotator cuff.

Latissimus dorsi (Posterior)

Identification.

Rhomboid major (Posterior)

Identification.

Rhomboid minor (Posterior)

Identification.

Supraspinatus

Rotator cuff.

Teres major

Identification.

Teres minor

Rotator cuff.

Triceps brachii (Lateral Head)

Origin: posterior humerus (proximal)

Insertion: posterior part olecranon of ulna and deep fascia of the forearm

Triceps brachii (Long Head)

Origin: Infraglenoid tubercle of scapula

Insertion: Olecranon process of ulna

Triceps brachii (Medial Head)

Origin: The posterior surface of the humerus

Insertion: The posterior surface of the olecranon process of the ulna

Internal abdominal oblique

Identification.

Quadratus lumborum

Identification.

Rectus abdominis

Identification.

Transversus abdominis

Identification.

Erector spinae (Iliocostalis)

Identification.

Erector spinae (Longissimus)

Identification.

Erector spinae (Spinalis)

Identification.

Serratus posterior superior

Identification.

Serratus posterior inferior

Identification.

Flexor digitorum profundus

Identification.

Flexor digitorum superficialis

Identification.

Flexor pollicis longus

Origin: The middle anterior (volar) surface of the radius shaft and the adjacent interosseous membrane.

Insertion: The palmar (volar) aspect of the base of the distal phalanx of the thumb

Abductor pollicis longus

Identification.

Extensor digiti minimi

Origin: The anterior portion of the lateral epicondyle of the humerus and the adjacent intermuscular septa.

Insertion: The extensor expansion (dorsal hood) of the fifth digit

Extensor digitorum

Identification.

Extensor indicis

Identification.

Extensor pollicis longus

Origin: The posterior surface of the middle one-third of the ulna and the adjacent interosseous membrane.

Insertion: The base of the distal phalanx of the thumb

Hypothenar muscles

Identification.

Thenar muscles

Identification.

Rectus femoris

Quadriceps.

Vastus intermedius

Quadriceps.

Vastus lateralis

Quadriceps.

Vastus medialis

Quadriceps.

Sartorius

Identification.

Gluteus maximus

Identification.

Biceps femoris

Hamstring.

Semimembranosus

Hamstring.

Semitendinosus

Hamstring.

Extensor digitorum longus

Identification.

Extensor hallucis longus

Origin: The middle half of the anterior surface of the fibula and the adjacent interosseous membrane.

Insertion: The base and dorsal center of the distal phalanx of the great toe

Calcaneal (Achilles) tendon

Identification.

Gastrocnemius

Origin: Femur

Insertion: Calcaneus

Popliteus

Identification.

Soleus

Origin: Head and shaft of fibula and posterior surface of tibia

Insertion: Posterior surface of calcaneus