muscles of the lower limb Flashcards by Myka Masters

Rectus femoris actions

extension of knee joint; flexion of hip joint

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Rectus femoris innervation

femoral nerve

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vastus lateralis actions

extension of knee joint

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vastus lateralis innervation

femoral nerve

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vastus medialis actions

extension of knee joint

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vastus medialis innervation

femoral nerve

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vastus intermedius actions

extension of knee joint

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vastus intermedius innervation

femoral nerve

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iliopsoas actions

powerful flexion of hip joint; flexion of trunk

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adductor magnus actions

adduction of hip joint; synergist for gait and posture

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adductor magnus innervation

obturator nerve

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adductor longus actions

adduction of hip joint; synergist for gait and posture

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adductor longus innervation

obturator nerve

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adductor brevis actions

adduction of hip joint; synergist for gait and posture

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adductor brevis innervation

obturator nerve

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sartorius actions

flexion of hip joint
abduction of hip joint
lateral rotation of hip joint
flexion of knee joint

sartorius innervation

femoral nerve

gracilis actions

adduction of hip joint

flexion of knee joint

gracilis innervation

obturator

tensor fascia latae actions

abduction of hip joint
medial rotation of hip joint
weak extension of knee joint

tibialis anterior actions

dorsi flexion of talocrural joint

inversion of subtalar and transverse tarsal joints

tibialis anterior innervation

deep fibular nerve

extensor hallucis longus actions

extension of the IP of digit 1; dorsiflexion of talocrural joint

extensor hallucis longus innervation

superficial fibular nerve

extensor digitorum longus actions

extension of PIP and DIP of digits 2-5; dorsiflexion of talocrural joint

extensor digitorum longus innervation

deep fibular nerve