actions at muscles

Iliopsoas

Flex hip, laterally rotate thigh, flex torso

Piriformis

Laterally rotates thigh, abducts hip

Gluteus maximus

Extend hip

Gluteus medius

Abduct hip

Gluteus minimus

Abduct hip

Tensor fascia latae

Flex and abduct hip

Adductor longus

Adduct hip and medially rotate thigh; flex hip

Adductor brevis

Adduct and flex hip

Adductor magnus

Adduct hip, medially rotate thigh; extend hip

Pectineus

Adduct & flex hip; medially rotate thigh

Gracilis

Adduct hip and flex knee

Sartorius

Flex & abduct hip; laterally rotate thigh; flex knee

Rectus femoris

Extend knee; flex hip

Vastus lateralis

Extend knee

Vastus medialis

Extend knee

Vastus intermedius

Extend knee

Biceps femoris

Extend hip; laterally rotate thigh; flex knee

Semitendinosus

Extend hip; medially rotate thigh; flex knee

Semimembranosus

Extend hip; medially rotate thigh; flex knee

Gastrocnemius

Plantar flex foot; flex knee

Soleus

Plantar flex foot

Tibialis anterior

Dorsiflex and invert foot

Tibialis posterior

Plantar flex foot

Flexor digitorum longus

Plantar flex and invert foot; flex toes

Flexor hallucis longus

Plantar flex foot; flex big toe

Extensor digitorum longus

Extends toes; dorsiflexes foot

Extensor hallucis longus

Extends big toe; dorsiflexes foot

Fibularis longus

Plantar flex and evert foot