Leg Muscles
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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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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