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Leg Muscles
positions and actions of leg muscles
Question | Answer |
---|---|
Sartorius | POSITION:crosses over from hip to medial side of knee ACTION: flexes hip&knee, rotates femur laterally |
Flexor Digitorum Longus | POSITION: deep to soleus ACTION: flexes toes |
Tendon of Achilles | POSITION: posterior aspect of lower leg; continuation of soleus/gastrocnemius to heel of foot ACTION: plantarflexes foot |
Peroneus Longus | POSITION: anterior and lateral side of leg ACTION: everts and plantarflexes foot, supports ankle |
Soleus | POSITION: deep to gastrocnemius ACTION: plantarflexes ankle walking |
Gastrocnemius (calf muscle) | POSITION: posterior aspect of lower leg, joins with soleus to form tendon of achilles ACTION: plantarflexes ankle |
Gracilis | POSITION: medial aspect of thigh ACTION: adducts and rotates femur medially, flexes knee |
Vastus lateralis | POSITION: front of thigh laterally ACTION: extends knee |
Adductor Magnus | POSITION: medial and slightly anterior aspect of thigh ACTION: adducts femur |
Semimembranosus | POSITION: underneath semitendinosus on medial aspect of back of thigh ACTION: flexes knee, extends hip |
Semitendinosus | POSITION: lies on top of semimembranosus ACTION: flexes knee, extends hip |
Biceps Femoris | POSITION: lateral side back of thigh ACTION: flexes knee joint and extends hip |
Adductor Brevis | POSITION: medial side of femur ACTION: adducts femur |
Adductor Longus | POSITION: Medial side of upper femur ACTION: adducts femur |
Vastus Intermedius(under rectus femoris) | POSITION: Front of Thigh ACTION: Extends knee |
Rectus Femoris | POSITION: front of thigh ACTION: extends knee and flexes hip |
Vastus Medialis | POSITION: medial and front of thigh ACTION: extends knee |
Tibialis Anterior | POSITION: lateral front of lower leg ACTION: dorsiflexes and inverts the foot |
Extensor Digitorum Longus | POSITION: anterior aspect of lower leg ACTION: extends toes |
Gracilis | POSITION: medial aspect of thigh ACTION: adducts and rotates femur medially, flexes knee |