LE muscles: origins, insertions, nerve, actions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Soleus | O:Posterior tibia and fibula I:Posterior calcaneus A:Ankle plantar flexion N:tibial nerve
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tibialis posterior | O: Interosseous membrane, adjacent tibia and fibula I:Navicular and most tarsals and metatarsals A:Ankle inversion; assists in plantar flexion N:Tibial nerve
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popliteus | O:Lateral condyle of femur I:Posterior surface of medial condyle of tibia A:Initiates knee flexion N:Tibial nerve
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gastrocnemius | O:Medial and lateral condyles of femur I:Posterior calcaneus A:Knee flexion, ankle plantar flexion N:Tibial nerve
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plantaris | Posterior lateral condyle of femur I:Posterior calcaneus A:Very weak assist in knee flexion and ankle plantar flexion N:Tibial nerve
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vastus intermedialis | O:Anterior femur I:Tibial tuberrosity via patellar tendon A:Knee extension N:Femoral nerve
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vastus medialis | O:Linea aspera I:Tibial tuberosity via patellar tendon A:Knee extension N:Femoral nerve
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vastus lateralis | O:Linea aspera I:Tibial tuberosity via patellar tendon A:Knee extension N:Femoral nerve
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extensor digitorum longus | O:Fibula, interosseous membrane, tibia I:Distal phalanx of four lesser toes A:Extends four lesser toes, assists in ankle dorsiflexion N:Deep peroneal nerve
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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