Actions of the muscles of the hip, knee and ankle

The main [blank_start]hip flexors[blank_end] are Psoas and Iliacus. Sartorius, rectus femoris, tensor fascia latae and pectinius assist this action.

The main [blank_start]hip extensors[blank_end] are Gluteus maximus, Biceps femoris, Semitendinosus and Semimembranosus.

Tensor facia latae, Gluteus medius and Gluteus minimus are the main [blank_start]hip abductors[blank_end] and hip medial rotators.

Adductor longus, adductor magnus and adductor brevis are the main [blank_start]hip adductors[blank_end].

The main [blank_start]hip lateral rotators[blank_end] are Obturator internus, Piriformis, Quadratus femoris, Gemellus Superior, Obturator externus and Gemellus Inferior.

The [blank_start]knee medial rotators[blank_end] are Popliteus, Semimembranosus and Semitendinosus.

The [blank_start]knee lateral rotators[blank_end] are Biceps femoris and Sartorius.

The [blank_start]knee extensors[blank_end] are Rectus femoris, Vastus intermedius, Vastus lateralis, Vastus medialis and Articularis genus.

The [blank_start]toe extensors[blank_end] are Extensor hallucis longus and Extensor digitorum longus.

The [blank_start]toe flexors[blank_end] are Flexor hallucis longus and Flexor digitorum longus.

The [blank_start]ankle plantarflexors[blank_end] are Gastrocnemius, Soleus, Tibialis posterior and Plantaris.

The [blank_start]ankle invertors[blank_end] are Tibialis anterior and Tibialis posterior.

The [blank_start]ankle evertors[blank_end] are Peroneus longus and Peroneus brevis.

The [blank_start]ankle dorisflexors[blank_end] are Tibialis anterior, Extensor hallucis longus, Extensor digitorum longus and Peroneus tertius.

The [blank_start]knee flexors[blank_end] are Biceps femoris, Semitendinosus, Semimembranosus, Gastrocnemius, Gracilis, Sartorius, Popliteus and Plantaris.