LOWER LIMB MUSCLES

gluteus maximus

O : posterior iliac crest

I: gluteal tuberosity

A: hip ext.

piriformis

O: anterior surface of sacrum

I: greater trochanter

A: hip ext. rot.

iliopsoas

O: T12 - L5

I: lesser trochanter

A: hip flex.

tensor fascia latae (TFL)

O: ASIS

I: iliotibial band

A: hip abd.

adductor longus

O: body of pubic

I: linea aspera

A: hip add.

rectus femoris

O: AIIS

I: tibial tuberosity

A: Kn. ext.

vastus lateralis

O: lateral lip of linea aspera

I: tibial tuberosity

A: Kn. ext.

vastus medialis

O: medial lip of linea aspera

I: tibial tuberosity

A: Kn. ext.

bicep femoris

O: LH: ischial tuberosity

SH: linea aspera

I: fibula head

A: Kn. flex

semintendinosus

O: ischial tuberosity

I: pes anserine tendon

A: Kn. flex.

semimembronosus

O: ischial tuberosity

I: medial tibial condyle

A: Kn. flex.

tibialis anterior

O: lateral tibial condyle

I: first cuneiform

A: dorsi flex.

extensor digitorum longus

O: lateral tibial condyle

I: middle and distal phalanx of 2nd to 5th toe

A: toe ext.

peroneus longus

O: proximal ½ of lateral fibula

I: 1st cuneiform

A: eversion

peroneus brevis

O: proximal ½ of lateral fibula

I: base of 5th metatarsal

A: eversion

gastrocnemius

O: medial & lateral condyle

I: calcaneous tuberosity

A: plantar flex.

tibialis posterior

O: proximal 2/3 of posterior tibia

I: navicular tuberosity

A: inversion

extensor digitorum brevis

O: dorsal surface of calcaneous

I: distal tendon of entensor digitorum longus

A: 2nd to 4th toe ext.

abductor hallucis

O: calcaneous tuberosity

I: base of the proximal phalanx of hallux

A: hallux abd.

flexor digiti minimi pedis

O: base of 5th metatarsal

I: base of proximal phalanx of little finger

A: little toe flex.