Fascicle Arrangement Patterns Circular (orbicularis oris) Convergent (pectoralis major) Parallel (sartorius) Unipennate (extensor digitorum longus) Multipennate (deltoid) Fusiform (biceps brachii) Bipennate (rectus femoris)

Muscles of the Head and Neck Epicranius frontalis Temporalis Epicranius occipitalis Corrugator supercilii Orbicularis Occuli Zygomaticus minor Masseter Zygomaticus major Sternocleidomastoid Buccinator Orbicularis oris Splenius capitis Mentalis Trapezius Platysma

Muscles of the Head and Neck Temporalis Orbicularis oris Buccinator Masseter

Muscles of the Head and Neck Lateral pterygoid Medial pterygoid

Muscles of the Head and Neck Thyrohyoid

Muscles of the Head and Neck Digastric: - anterior belly - posterior belly Mylohyoid Thyrohyoid Sternohyoid Sternothyroid Sternocleidomastoid

Muscles of the Neck (anterior view) Sternocleidomastoid Scalenes medius Scalenes anterior Scalenes posterior

Muscles of the Neck (posterior view) Splenius capitis Splenius cervicis

Muscles of the Thorax (posterior view) Longissimus capitis Semispinalis capitis Semispinalis cervicis Iliocostalis cervicis Longissimus cervicis Semispinalis thoracis Iliocostalis thoracis Spinalis thoracis Longissimus thoracis Erector spinae Iliocostalis lumborum Quadratus lumborum External oblique

Muscles of the thorax External intercostals Internal intercostals

Muscles of the Thorax (inferior view) Diaphragm Quadratus lumborum Psoas major

Muscles of the thorax and abdominal wall Pectoralis major Serratus anterior Transverse abdominis Internal oblique Rectus abdominis External oblique

Muscles of the abdominal wall External obliques Rectus abdominis Internal obliques Transverse abdominis

Muscles of the shoulder (anterior) Sternocleidomastoid Subscapularis * Deltoid Pectoralis minor Pectoralis major Serratus anterior Biceps brachii * Rotator cuff muscle

Muscles of the shoulder (posterior) Trapezius Levator scapulae Supraspinatus * Rhomboid minor Rhomboid major Infraspinatus * Deltoid Teres minor* Teres major Latissimus dorsi * Rotator cuff muscles

Anterior shoulder and arm Deltoid Pectoralis major Triceps brachii Biceps brachii Brachialis Brachioradialis

Posterior shoulder and arm Supraspinatus * Infraspinatus * Teres minor * Teres major Triceps brachii: - Lateral head - Long head Latissimus dorsi * Rotator cuff muscles

Muscles of the arm (anterior view) Flexor carpi ulnaris Palmaris longus Flexor carpi radialis Brachioradialis Pronator teres

Muscles of the arm (anterior view) Pronator quadratus Supinator

Muscles of the arm (posterior view) Extensor carpi ulnaris Extensor digitorum Extensor carpi radialis brevis Extensor carpi radialis longus Brachioradialis

Muscles of the arm (posterior view) Supinator

Muscles of the leg (anterior view) Quadratus lumborum Psoas minor Psoas major Iliopsoas Iliacus Tensor fasciae latae Pectineus Adductor longus Sartorius Gracilis Quadraceps femoris: Adductor magnus - Rectus femoris - Vastus lateralis - Vastus medialis Vastus intermedius: is deep to the rectus femoris

Muscles of the leg (posterior view) Gluteus medius Gluteus maximus Adductor magnus Gracilis Biceps femoris Semitendinosus Hamstrings Semimembranosus

Adductor muscles of the leg (anterior view) Pectineus - cut Adductor brevis Adductor longus Adductor magnus

Hip muscles (posterior view) Gluteus medius (cut) Gluteus minimus Gluteus maximus (cut)

Muscles of the leg (anterior view) Fibularis longus (Peroneus longus) Gastrocnemius Tibialis anterior Extensor digitorum longus

Muscles of the leg (lateral view) Gastrocnemius Fibularis longus (Peroneus longus) Soleus Tibialis anterior

Muscles of the leg (superficial posterior view) Gastrocnemius: - Medial head Triceps surae - Lateral head Soleus Tendon of the Gastrocnemius

Muscles of the leg (deep posterior view) * The triceps surae have been removed to reveal the deep muscles. Popliteus Tibialis posterior Fibularis longus Flexor digitorum longus (Peroneus longus) Fibularis brevis (Peroneus brevis)