Thigh and Leg - Action, Origin, Insertion, Nerve PDF

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Summary

Thigh and Leg - Action, Origin, Insertion, Nerve...

Description

MUSCLE

ACTION

ORIGIN

INSERTION

INNERVATION

More detailed= posterior ilium from crest to posterior gluteal line, posterior sacrum, coccyx and sacrotuberous ligament

Iliotibial tract/band and gluteal tuberosity

Inferior gluteal nerve

2 features; 1. The action 2. what joint

gluteus maximus

Hip extension

Less detailed= posterior ilium, sacrum and coccyx gluteus medius & gluteus minimus

Hip abduction and stabilisation of pelvis during one legged phase of gait*

Less detailed= posterior ilium

Greater trochanter

Superior gluteal nerve

tensor fascia lata

Flex hip, tense fascia lata which supports knee lateral

Iliac crest, ASIS

Iliotibial tract which inserts lateral tibial condyle

Superior gluteal

liacus

Hip flexion

Iliac fossa

Femoral nerve

Psoas major

Hip flexion

T12 – L5 bodies

Lesser trochanter of femur Lesser trochanter of femur

adductor longus adductor brevis

Hip adduction

Inferior pubic ramus

Obturator nerve

adductor magnus

Hip adduction

Inferior pubic ramus

gracilis

Hip adduction

pubis

Linea aspera, femur Linea aspera, femur tibia

pectineus

Hip adduction

rectus femoris

Knee extension + hip flexion

Lumbar plexus

Obturator nerve Obturator Femoral nerve

AIIS

tibial tuberosity via patellar ligament

Femoral nerve

vastus mediallis

Knee extension

linea aspera & intertrochanteric line

tibial tuberosity via patella ligament

Femoral

vastus lateralis

Knee extension

greater trochanter & linea aspera

tibial tuberosity via patella ligament

Femoral

vastus intermedius

Knee extension

femur & linea aspera

tibial tuberosity via patella ligament

Femoral

sartorius

Hip flexion & lateral rotation, knee flexion.

anterior superior iliac spine

proximal, medial tibia near tibial tuberosity

Femoral

semitendinosus

Knee flexion, hip extension

Ischial tuberosity

medial condyle of tibia

Sciatic

Semimembranosus

Knee flexion, hip extension

Ischial tuberosity

medial condyle of tibia

Sciatic

Biceps femoris

Knee flexion, hip extension

long head - ischial tuberosity

head of fibula

Sciatic is fine (for the test).

short head - linea aspera

long head -tibial nerve short head common fibular nerve

MUSCLE

ACTION

ORIGIN

INSERTION

INNERVATION

tibia, interosseus membrane

inferior surface medial cunieform & base 1st metatarsal

Deep fibular nerve

2 features; 1. The action 2. what joint

tibialis anterior (Tom)

Dorsiflexion ankle & inversion of foot

extensor hallucis longus (Harry)

Ankle dorsiflexion + Hallux extension

extensor digitorum longus (Dick)

Ankle dorsiflexion + extension of 2nd to 5th toes

gastrocnemius

Ankle Plantarflexion + knee flexion

Fibula –anterior , interosseus membrane Tibia – lateral, Fibula – superior medial, Interosseus membrane

base, distal phalanx hallux

Deep fibular

toes 2-5

Deep fibular

Lateral head: lateral condyle of femur

calcaneus

Tibial

posterior tibia, fibula interosseus membrane, tibia, fibula

calcaneus

Tibial

navicular, cuneiforms, cuboid, metatarsals 2-4

Tibial

Flex toes 2-5, Ankle plantarflexion + arch support Ankle plantar flexion + Flexion of hallux + arch support

posterior tibia

lateral 4 toes

fibula, interosseus membrane

hallux

Tibial

Fibularis longus

Foot eversion

fibula

base 1st metatarsal & medial cuneiform

Superficial Fibular

fibularis brevis

Foot eversion

fibula

base 5th metatarsal

Superficial Fibular

Medial head: medial condyle of femur soleus tibialis posterior (Tom)

flexor digitorum longus(Dick)

flexor hallucis longus(Harry)

Ankle plantarflexion Ankle plantarflexion + inversion of foot + arch support...