Biomech Lower Body

Flexion of the hip

Iliopsoas

Rectus femoris

Tensor fascia latae

Sartorious

Extension of the hip

Gluteus maximus

Semitendinosus

Semimembranosus

Biceps femoris, long head

Abduction of the hip

Gluteus medius

Gluteus minimus

Tensor fascia latae

Adduction of the hip

Adductor magnus

Pectineus

Adductor longus

Adductor brevis

Gracilis

Obturator externus

Medial rotation of the hip

Tensor fascia latae

Gluteus minimus

Gluteus medius (anterior fibers)

Lateral rotation of the hip

Gluteus maximus

Piriformis

Quadratus femoris

Obturator internus and externus

Gemellus superior and inferior

Sartorius

Flexion of the knee

semimembranosus

semitendinosus

biceps femoris

sartorius

gracilis

popliteus

gastroc

extension of the knee

vastus lateralis

vastus medialis

vastus intermedius

rectus femoris

medial rotation of knee

semimembranosus

semitendinosus

sartorius

gracilis

popliteus

lateral rotation of knee

biceps femoris

dorsiflexion

tibalis anterior

plantarflexion

gatroc

soleus

inversion of ankle/foot

tibialis anterior

tibilais posterior

eversion of ankle/foot

fibularis longus

fibularis brevis