function: flexes and adducts thigh

innervation: femoral and obturator nerves

function: flexor of thigh (combined with illiacus, form iliopsoas muscle=most powerful flexor of the thigh)

innervation: anterior rami of L1 L2 L3

function: flexor of the thigh (combined with psoas major, forms iliopsoas muscle=most powerful flexor of the thigh)

innervation: femoral nerve

composed of: vastus medialis, vastus intermedius, vastus lateralis, rectus femoris

function: only muscles to extend leg at knee, rectus femoris also flexes thigh at hip

innervation: femoral nerve

function: flexion, abduction, external rotation of thigh at hip

innervation: femoral nerve