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Leg Muscles

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Question
Answer
Gastrocnemius   Flex knee and plantarflex ankle  
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Soleus   Plantarflex ankle Does not cross knee  
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Plantaris   Weakly flex knee, plantarflex ankle  
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Calcaneal Tendon   Achilles Tendon - gastrocnemius, soleus and plantaris come together to form this  
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What innervates Gastrocnemius, Soleus and Plantaris?   Tibial Nerve  
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Popliteus   Unlocks knee from extended position (Rotates femur laterally)  
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Flexor Digitorum Longus   Plantar Flex Ankle Flex digits 2-5  
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Flexor Hallucis Longus   Weakly plantar flex ankle Flex big toe  
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Tibialis Posterior   Plantar flex ankle Invert Foot  
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Popliteal Artery splits into:   Anterior Tibial Artery and Posterior Tibial Artery  
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Sciatic Nerve splits into what nerves in the popliteal fossa?   Tibial and Common Fibular Nerves  
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What movements does the muscles of the anterior compartment of the leg make?   Dorsiflex foot, extend toes, invert foot. Innervations: Deep Fibular Nerve  
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What movements does the muscles of the lateral compartment of the leg make?   Evert foot Innervation: Superficial Fibular Nerve  
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Tibialis Anterior   Dorsiflex Ankle Invert Foot Support medial arch of foot  
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Extensor Hallucis Longus   Extend hallux (big toe), dorsiflex ankle  
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Extensor Digitorum Longus   Dorsiflex ankle, extend digits 2-5  
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Fibularis Longus   Runs across the sole of the foot to insert of base of first metatarsal  
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Fibularis Brevis   Inserts on base of 5th metatarsal  
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Lateral leg muscles are innervated by what?   Superficial Fibular Nerve  
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What does the superficial fibular nerve branch innervate?   Lateral Compartment of Leg  
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What does the deep fibular nerve branch innervate?   Anterior Compartment of the leg  
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Created by: alison.simpson
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