Muscles on thigh, hands, and feet

By:Annie

JeehyunJean

THIGHPsoas 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.

THIGHGluteus 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.

THIGHGluteus 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

THIGHTensor 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.

THIGHAdductor 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.

THIGHAdductor 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.

FEETTibialis 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.

FEETExtenson

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.

FEETGastrocnemius

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.

FEETPlantaris

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.

FEETTibialis 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.

HANDSFLEXOR 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.

HANDSPALMARIS 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

HANDSFLEXOR

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.

HANDSEXTENSOR 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.

HANDSEXTENSOR

DIGITORIUM ORIGIN-Lateral epicondyle

of humerus

INSERTION- Posterior surface of phalanges in fingers 2-5

ACTION-Extends fingers

NERVE SUPPLY- Radial n.

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

THIGHGluteus 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

THIGHTensor 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.

FEETPlantaris

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.

THIGHGluteus 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.

HANDSPALMARIS 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

THIGHAdductor 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.

FEETExtenson

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.

HANDSEXTENSOR

DIGITORIUM ORIGIN-Lateral epicondyle

of humerus

INSERTION- Posterior surface of phalanges in fingers 2-5

ACTION-Extends fingers

NERVE SUPPLY- Radial n.

HANDSFLEXOR 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.

FEETGastrocnemius

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.

FEETTibialis 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.

HANDSEXTENSOR 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.

THIGHPsoas 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.

FEETTibialis 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.

THIGHAdductor 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.

HANDSFLEXOR

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.