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

2. 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

3. Muscles of the Head and Neck
Temporalis
Orbicularis oris
Buccinator
Masseter

4. Muscles of the Head and Neck
Lateral pterygoid
Medial pterygoid

5. Muscles of the Head and Neck
Thyrohyoid

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

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

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

9. 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

10. Muscles of the thorax
External intercostals
Internal intercostals

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

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

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

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

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

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

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

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

19. Muscles of the arm (anterior view)
Pronator quadratus
Supinator

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

21. Muscles of the arm (posterior view)
Supinator

22. 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

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

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

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

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

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

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

29. 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)