1. Muscles on thigh, hands, and feet By: Annie Jeehyun Jean

2. THIGH Psoas major ORIGIN- Lumbar intervertebral discs; bodies and transverse processes of lumbar vertebrae. INSERTION- Lesser trochanter of femur ACTION- Flexes thigh NERVE SUPPLY- Branches of 1-3 nerves. Lliacus ORIGIN- Iliac fossa of ilium INSERTION- Lesser trochanter of femur ACTION- Flexes thigh NERVE SUPPLY- Femoral n.

3. THIGH Gluteus Maximus ORIGIN- Sacrum, coccyx, and posterior surface of ilium INSERTION- Posterior surface of femur and fascia of thigh ACTION- Extends hip NERVE SUPPLY- Inferior gluteal n. Glutues medius ORIGIN- Lateral surface of ilium INSERTION- Greater trochanter of femur ACTION- Abducts and rotetes thigh medially NERVE SUPPLY- Superior gluteal n.

4. THIGH Gluteus minimus ORIGIN- lateral surface of ilium INSERTION- greater trochanter of femur ACTION- same as gluteus medius NERVE SUPPLY- superior gluteal n. Piriformis ORIGIN- Anterior surface of sacrum INSERTION- Greater trochanter of femur ACTION- abducts and rotates thigh laterally NERVE SUPPLY- L5, S1, S2 nerves

5. THIGH Tensor fasciae latae ORIGIN- Anterior iliac crest. INSERTION- iliotibial tract(fascia of thigh) ACTION- abducts, flexes, and rotates thigh medially NERVE SUPPLY- superior gluteal n. Pectineus ORIGIN- Spine of pubis INSERTION- Femur distal to lesser trochanter ACTION-flexes and adducts thigh NERVE SUPPLY-obturator and femoral nerves.

6. THIGH Adductor Brevis ORIGIN- pubic bone. INSERTION- posterior surface of femur ACTION- Adducts, flexes and rotates thigh laterally NERVE SUPPLY-obturator n. Adductor longus ORIGIN- pubic bone near symphysis pubis INSERTION- posterior surface of femur ACTION- Adducts, flexes and rotates thigh laterally NERVE SUPPLY-obturator n.

7. THIGH Adductor magnus ORIGIN- Ischial tuberosity INSERTION- posterior surface of femur ACTION- Adducts thigh, posterior portion extends and anterior portion flexes high. NERVE SUPPLY-obturator and branch of sciatic nerves Gracillis ORIGIN- Lower edge of symphysis pubis INSERTION- Medial surface of tibia ACTION- Adducts thigh and flexes knee NERVE SUPPLY- Obturator n.

8. FEET Tibialis anterior ORIGIN- lateral condyle and lateral surface of tibia INSERTION- tarsal bone(cuneiform) and first metatarsal ACTION- dosiflexion and inversion of foot NERVE SUPPLY- deep fibular n. Fibularis tertius ORIGIN-anterior surface of fibula INSERTION- dorsal surface of fifth metatarsal ACTION-dorsiflexion and eversion of foot NERVE SUPPLY-deep fibular n.

9. FEET Extenson digitorum longus ORIGIN-lateral condyle of tibia and anterior surface of fibula INSERTION- dorsal surface of second and third phalanges of four lateral toes ACTION- dorsiflexion and eversion of foot and extends toes NERVE SUPPLY-deep fibular n. Extensor hallucis longus ORIGIN-anterior surface of fibula INSERTION-distal phalanx of great toe ACTION-extends great toe, dorsiflexion and inversion of foot NERVE SUPPLY- deep fibular n.

10. FEET Gastrocnemius ORIGIN-lateral medial condyles of femur INSERTION- posterior surface of calcaneus ACTION- plantar flexion of foot and flexes knee NERVE SUPPLY- tibial n. Soleus ORIGIN-head and shaft of fibula and posterior surface of tibia INSERTION- posterior surface of calcaneus ACTION- plantar flexion of foot NERVE SUPPLY-tibial n.

11. FEET Plantaris ORIGIN- femur INSERTION-calcaneus ACTION-plantar flexion of foot, flexes knee NERVE SUPPLY-tibial n. Flexor digitorum longus ORIGIN-posterior surface of tibia INSERTION-distal phalanges of four lateral toes ACTION-plantar flexion and inversion of foot and flexion of four lateral toes NERVE SUPPLY-tibial n.

12. FEET Tibialis posterior ORIGIN-lateral condyle and posterior surface of tibia and posterior surface of fibula INSERTION- tarsal and metatarsal bones ACTION-plantar flexion and inversion of foot NERVE SUPPLY-tibial n. Fibularis longus ORIGIN-lateral condyle of tibia and head and shaft of fibula INSERTION- tarsal and metatarsal bones ACTION-plantar flexion and inversion of foot NERVE SUPPLY-superficial fibular n.

13. HANDS FLEXOR CARPI RADIALIS ORIGIN-Medial epicondyle of humerus INSERTION- Base of second and third metacarpals ACTION-Flexes wrist and abducts hand NERVE SUPPLY-median n. FLEXOR CARPI ULNARIS ORIGIN-Medial epicondyle of humerous and olecranon process INSERTIONcarpal and metacarpal bones ACTION-Flexes wrist and adducts hand NERVE SUPPLY-Ulnar n.

14. HANDS PALMARIS LONGUS ORIGIN-Medial epicondyle of humerous INSERTION- Fascia of palm ACTION-Flexes wrist NERVE SUPPLY- Median n. FLEXOR DIGITORUM PROFUNDUS ORIGIN-Anterior surface of ulna INSERTION- Bases od distal phalanges in fingers 2-5 ACTION-Flexes distal joints of fingers NERVE SUPPLY-Ulnar and Median nerves

15. HANDS FLEXOR DIGITORUM SUPERFICIALIS ORIGIN-Medial epicondyle of humerus, coronoid process of ulna, and radius INSERTION- Tendons of fingers ACTION-Flexes wrist and fingers NERVE SUPPLY- Median n. EXTENSOR CARPI RADIALIS LONGUS ORIGIN-Distal end of humerus INSERTION- Base of second metacarpal ACTION-Extends wrist and abducts hand NERVE SUPPLY-Radial n.

16. HANDS EXTENSOR CARPI BREVIS ORIGIN-Lateral epicondyle of humerus INSERTION- Base of second and third metacarpals ACTION-Extends wrist and abducts hand NERVE SUPPLY- Radial n. EXTENSOR CARPI ULNARIS ORIGIN-Lateral epicondyle of humerus INSERTION- Base of fifth metacarpal ACTION-Extends wrist and abducts hand NERVE SUPPLY-Radial n.

17. HANDS EXTENSOR DIGITORIUM ORIGIN-Lateral epicondyle of humerus INSERTION- Posterior surface of phalanges in fingers 2-5 ACTION-Extends fingers NERVE SUPPLY- Radial n.

18. Review What do these muscles move? Tibialis anterior, fibularis tertius, extensor digitorum longus, extensor hallucis longus, gastrocnemius, soleus, plantaris, flexor digitorum longus, tibialis posterior, fibularis longus 1. thigh 2. foot 3. hand What do these muscles move? Psoas major, iliacus, gluteus maximus, gluteus medius, gluteus minimus, piriformis, tensor fasciae latae, pectineus, adductor brevis, adductor longus, adductor magnus, gracilis What do these muscle move? Flexor carpi radialis, flexor carpi ulnaris, palmaris longus, flexor digitorum profundus, flexor digitorum superficialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris, extensor digitorum

19. THIGH Gluteus minimus ORIGIN- lateral surface of ilium INSERTION- greater trochanter of femur ACTION- same as gluteus medius NERVE SUPPLY- superior gluteal n. Piriformis ORIGIN- Anterior surface of sacrum INSERTION- Greater trochanter of femur ACTION- abducts and rotates thigh laterally NERVE SUPPLY- L5, S1, S2 nerves

20. THIGH Tensor fasciae latae ORIGIN- Anterior iliac crest. INSERTION- iliotibial tract(fascia of thigh) ACTION- abducts, flexes, and rotates thigh medially NERVE SUPPLY- superior gluteal n. Pectineus ORIGIN- Spine of pubis INSERTION- Femur distal to lesser trochanter ACTION-flexes and adducts thigh NERVE SUPPLY-obturator and femoral nerves.

21. FEET Plantaris ORIGIN- femur INSERTION-calcaneus ACTION-plantar flexion of foot, flexes knee NERVE SUPPLY-tibial n. Flexor digitorum longus ORIGIN-posterior surface of tibia INSERTION-distal phalanges of four lateral toes ACTION-plantar flexion and inversion of foot and flexion of four lateral toes NERVE SUPPLY-tibial n.

22. THIGH Gluteus Maximus ORIGIN- Sacrum, coccyx, and posterior surface of ilium INSERTION- Posterior surface of femur and fascia of thigh ACTION- Extends hip NERVE SUPPLY- Inferior gluteal n. Glutues medius ORIGIN- Lateral surface of ilium INSERTION- Greater trochanter of femur ACTION- Abducts and rotetes thigh medially NERVE SUPPLY- Superior gluteal n.

23. HANDS PALMARIS LONGUS ORIGIN-Medial epicondyle of humerous INSERTION- Fascia of palm ACTION-Flexes wrist NERVE SUPPLY- Median n. FLEXOR DIGITORUM PROFUNDUS ORIGIN-Anterior surface of ulna INSERTION- Bases od distal phalanges in fingers 2-5 ACTION-Flexes distal joints of fingers NERVE SUPPLY-Ulnar and Median nerves

24. THIGH Adductor magnus ORIGIN- Ischial tuberosity INSERTION- posterior surface of femur ACTION- Adducts thigh, posterior portion extends and anterior portion flexes high. NERVE SUPPLY-obturator and branch of sciatic nerves Gracillis ORIGIN- Lower edge of symphysis pubis INSERTION- Medial surface of tibia ACTION- Adducts thigh and flexes knee NERVE SUPPLY- Obturator n.

25. FEET Extenson digitorum longus ORIGIN-lateral condyle of tibia and anterior surface of fibula INSERTION- dorsal surface of second and third phalanges of four lateral toes ACTION- dorsiflexion and eversion of foot and extends toes NERVE SUPPLY-deep fibular n. Extensor hallucis longus ORIGIN-anterior surface of fibula INSERTION-distal phalanx of great toe ACTION-extends great toe, dorsiflexion and inversion of foot NERVE SUPPLY- deep fibular n.

26. HANDS EXTENSOR DIGITORIUM ORIGIN-Lateral epicondyle of humerus INSERTION- Posterior surface of phalanges in fingers 2-5 ACTION-Extends fingers NERVE SUPPLY- Radial n.

27. HANDS FLEXOR CARPI RADIALIS ORIGIN-Medial epicondyle of humerus INSERTION- Base of second and third metacarpals ACTION-Flexes wrist and abducts hand NERVE SUPPLY-median n. FLEXOR CARPI ULNARIS ORIGIN-Medial epicondyle of humerous and olecranon process INSERTIONcarpal and metacarpal bones ACTION-Flexes wrist and adducts hand NERVE SUPPLY-Ulnar n.

28. FEET Gastrocnemius ORIGIN-lateral medial condyles of femur INSERTION- posterior surface of calcaneus ACTION- plantar flexion of foot and flexes knee NERVE SUPPLY- tibial n. Soleus ORIGIN-head and shaft of fibula and posterior surface of tibia INSERTION- posterior surface of calcaneus ACTION- plantar flexion of foot NERVE SUPPLY-tibial n.

29. FEET Tibialis anterior ORIGIN- lateral condyle and lateral surface of tibia INSERTION- tarsal bone(cuneiform) and first metatarsal ACTION- dosiflexion and inversion of foot NERVE SUPPLY- deep fibular n. Fibularis tertius ORIGIN-anterior surface of fibula INSERTION- dorsal surface of fifth metatarsal ACTION-dorsiflexion and eversion of foot NERVE SUPPLY-deep fibular n.

30. HANDS EXTENSOR CARPI BREVIS ORIGIN-Lateral epicondyle of humerus INSERTION- Base of second and third metacarpals ACTION-Extends wrist and abducts hand NERVE SUPPLY- Radial n. EXTENSOR CARPI ULNARIS ORIGIN-Lateral epicondyle of humerus INSERTION- Base of fifth metacarpal ACTION-Extends wrist and abducts hand NERVE SUPPLY-Radial n.

31. THIGH Psoas major ORIGIN- Lumbar intervertebral discs; bodies and transverse processes of lumbar vertebrae. INSERTION- Lesser trochanter of femur ACTION- Flexes thigh NERVE SUPPLY- Branches of 1-3 nerves. Lliacus ORIGIN- Iliac fossa of ilium INSERTION- Lesser trochanter of femur ACTION- Flexes thigh NERVE SUPPLY- Femoral n.

32. FEET Tibialis posterior ORIGIN-lateral condyle and posterior surface of tibia and posterior surface of fibula INSERTION- tarsal and metatarsal bones ACTION-plantar flexion and inversion of foot NERVE SUPPLY-tibial n. Fibularis longus ORIGIN-lateral condyle of tibia and head and shaft of fibula INSERTION- tarsal and metatarsal bones ACTION-plantar flexion and inversion of foot NERVE SUPPLY-superficial fibular n.

33. THIGH Adductor Brevis ORIGIN- pubic bone. INSERTION- posterior surface of femur ACTION- Adducts, flexes and rotates thigh laterally NERVE SUPPLY-obturator n. Adductor longus ORIGIN- pubic bone near symphysis pubis INSERTION- posterior surface of femur ACTION- Adducts, flexes and rotates thigh laterally NERVE SUPPLY-obturator n.

34. HANDS FLEXOR DIGITORUM SUPERFICIALIS ORIGIN-Medial epicondyle of humerus, coronoid process of ulna, and radius INSERTION- Tendons of fingers ACTION-Flexes wrist and fingers NERVE SUPPLY- Median n. EXTENSOR CARPI RADIALIS LONGUS ORIGIN-Distal end of humerus INSERTION- Base of second metacarpal ACTION-Extends wrist and abducts hand NERVE SUPPLY-Radial n.