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Lower Extremity

Muscle Functions of The Lower Extremity

MuscleFunction
Gluteus maximus Extension, hyperextension and external rotation of the thigh/trunk at the hip
Gluteus medius Abduction of the thigh/trunk at hip
Gluteus minimus Flexion and internal rotation of the thigh/trunk at the hip
Piriformis lateral rotation of the thigh/trunk at the hip
Superior gemellus Lateral rotation of the thigh/trunk at the hip
Obturator internus Lateral rotation of the thigh/trunk at the hip
Inferior gemellus Lateral rotation of the thigh/trunk at the hip
Quadratus femoris Lateral rotation of the thigh/trunk at the hip
Obturator externus Lateral rotation of the thigh/trunk at the hip
Biceps femoris Long head: Extension, hyperextension and external rotation of the thigh/trunk at the hip. Flexion at the knee Short head: Only flexion at the knee
Semitendinosus Extension. hyperextension and internal rotation of the thigh/trunk at the hip. Flexion of the leg at the knee
Semimembranosus Extension, hyperextension and internal rotation of the thigh/trunk at the hip. Flexion of the leg at the knee
Iliacus Flexion of the thigh/trunk at the hip
Psoas major Flexion of the thigh/trunk at the hip
Psoas minor Flexion of the lumbar vertebre
Rectus femoris Flexion of the thigh/trunk at hip. Extension of the leg at the knee
Vastus lateralis Extension of the leg at the knee
Vastus medialis Extension of the leg at the knee
Vastus intermedius Extension of the leg at the knee
Tensor fasciae latae Abduction and flexion of the thigh/trunk at the hip
Sartorius Flexion and lateral rotation of the thigh/trunk at the hip. Flexion of the leg at the knee
Pectineus Adduction and lateral rotation of the thigh/trunk at the hip
Adductor longus Adduction and lateral rotation of the thigh/trunk at the hip
Adductor brevis Adduction and lateral rotation of the thigh/trunk at the hip
Adductor magnus Adduction and lateral rotation of the thigh/trunk at the hip
Gracilis Adduction and medial rotation of the thigh/trunk at the hip
Tibialis anterior Dorsiflexion and inversion of the foot at the ankle
Extensor digitorum longus Dorsiflexion of the foot at the ankle. Extension of digits 2-5
Extensor hallucis longus Dorsiflexion and inversion of the foot at the ankle. Extension of the 1st digit
Fibularis tertius Dorsiflexion and eversion of the foot at the ankle
Fibularis longus Plantarflexion and eversion of the foot at the ankle
Fibularis brevis Plantarflexion and eversion of the foot at the ankle
Gastrocnemius Flexion of the leg at the knee. Plantarflexion of the foot at the ankle
Plantaris Flexion of the leg at the knee. Plantarflexion of the foot at the ankle
Soleus Plantarflexion of the foot at the ankle
Popliteus Unlocks the knee from a fully extended position
Tibialus posterior Plantarflexion and inversion of the foot at the ankle
Flexor digitorum longus Plantarfelxion and inversion of the foot at the ankle. Flexion of the digits
Flexor hallicus longus Plantarflexion and inversion of the foot at the ankle. Flexion of the 1st digit
Created by: kitseeds
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