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

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



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


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


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




THIGHAdductor magnus

ORIGIN- Ischial tuberosity


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


Extensor hallucis longus


INSERTION-distal phalanx of great toe

ACTION-extends great toe, dorsiflexion and inversion of foot


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


ACTION- plantar flexion of foot

NERVE SUPPLY-tibial n.

FEETPlantaris

ORIGIN- femur

INSERTION-calcaneus

ACTION-plantar flexion of foot, flexes knee


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


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


Fibularis longus

ORIGIN-lateral condyle of tibia and head and shaft of fibula



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


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



NERVE SUPPLY- Radial n.

EXTENSOR CARPI ULNARIS

ORIGIN-Lateral epicondyle of humerus

INSERTION- Base of fifth metacarpal



HANDSEXTENSOR

DIGITORIUM ORIGIN-Lateral epicondyle

of humerus

INSERTION- Posterior surface of phalanges in fingers 2-5

ACTION-Extends fingers


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


Piriformis

ORIGIN- Anterior surface of sacrum


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


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


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


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


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


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


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


Extensor hallucis longus


INSERTION-distal phalanx of great toe

ACTION-extends great toe, dorsiflexion and inversion of foot


HANDSEXTENSOR

DIGITORIUM ORIGIN-Lateral epicondyle

of humerus

INSERTION- Posterior surface of phalanges in fingers 2-5

ACTION-Extends fingers


HANDSFLEXOR CARPI

RADIALIS ORIGIN-Medial epicondyle

of humerus


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


ACTION- plantar flexion of foot and flexes knee

NERVE SUPPLY- tibial n.

Soleus

ORIGIN-head and shaft of fibula and posterior surface of tibia


ACTION- plantar flexion of foot


FEETTibialis anterior

ORIGIN- lateral condyle and lateral surface of tibia

INSERTION- tarsal bone(cuneiform) and first metatarsal

ACTION- dosiflexion and inversion of foot


Fibularis tertius


INSERTION- dorsal surface of fifth metatarsal

ACTION-dorsiflexion and eversion of foot


HANDSEXTENSOR CARPI

BREVIS ORIGIN-Lateral epicondyle

of humerus




EXTENSOR CARPI ULNARIS

ORIGIN-Lateral epicondyle of humerus

INSERTION- Base of fifth metacarpal



THIGHPsoas major

ORIGIN- Lumbar intervertebral discs; bodies and transverse processes of lumbar vertebrae.



NERVE SUPPLY- Branches of 1-3 nerves.

Lliacus

ORIGIN- Iliac fossa of ilium



NERVE SUPPLY- Femoral n.

FEETTibialis posterior

ORIGIN-lateral condyle and posterior surface of tibia and posterior surface of fibula




Fibularis longus

ORIGIN-lateral condyle of tibia and head and shaft of fibula



NERVE SUPPLY-superficial fibular n.

THIGHAdductor Brevis

ORIGIN- pubic bone.




Adductor longus

ORIGIN- pubic bone near symphysis pubis




HANDSFLEXOR

DIGITORUM SUPERFICIALIS

ORIGIN-Medial epicondyle of humerus, coronoid process of ulna, and radius

INSERTION- Tendons of fingers

ACTION-Flexes wrist and fingers


EXTENSOR CARPI RADIALIS LONGUS ORIGIN-Distal end of

humerus

INSERTION- Base of second metacarpal



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

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