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Stack #111757

Lower limb muscle actions

Muscle groupsMusclesNote
Knee Flexors (Hamstrings) Biceps Femoris, Semimembranosus, Semitendinosus, Gracilis, Sartorius, Gastrocnemius
Knee Extensors (quads) Rectus Femoris, Vastus Medialis, Vastus Lateralis, Vastus Intermedius & Tensor Fascia Lata
Medial rotators of knee (tibia) Popliteus (unlocking action), Semitendinosus, Gracilis, Sartorius (Pes Anserinus) & Semimembranosus (always grouped with ST)
Lateral rotators of knee (tibia) Biceps Femoris
Ankle dorsiflexors (anterior compartment leg) Extensor digitorum longus, Extensor hallucis longus, Peroneus Tertius, Tibialis Anterior
Ankle plantarflexors (deep flexors) Tibialis posterior, Flexor digitorum longus, Flexor hallucis longus, (Superficial posterior leg) Gastrocnemius, Soleus, Plantaris, (lateral leg) Peroneus longus, Peroneus brevis
Hip extension Gluteus maximus, (hamstrings) Biceps Femoris, Semimembranosus, Semitendinosus
Muscles abducting the hip (gluteals) Gluteus maximus, Gluteus medius, Gluteus minimus, Tensor fascia lata
Hip adductors Pectineus, Gracilis & all Adductors
Hip flexors (all these arise above hip joint) Psoas major, Iliacus, Pectineus, Rectus femoris, Sartorius PMI, PRFS
Hip - medial rotators Anterior parts of both Gluteus medius and minimus, Tensor fascia lata, Psoas major & Iliacus
Lateral hip rotators Gluteus maximus, Piriformis, Gemellus superior & inferior, Obturator internus & externus, Quadratus femoris
Invertors of foot Tibialis anterior, Tibialis posterior
Eversion of foot Peroneus longus, Peroneus brevis & Peroneus tertius
Toe extension Extensor digitorum longus, Extensor hallucis longus, Extensor digitorum brevis (intrinsic)
Toe flexion Flexor digitorum longus, Flexor hallucis longus
Created by: georgealbertjnr
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