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Questions and Answers
Which muscle does not receive muscular branches from the medial plantar nerve?
Which muscle does not receive muscular branches from the medial plantar nerve?
- Flexor hallucis longus
- Abductor hallucis
- Flexor digitorum brevis
- Tibialis posterior (correct)
Which nerve supplies the skin of the cleft between the 1st and 2nd toes?
Which nerve supplies the skin of the cleft between the 1st and 2nd toes?
- Lateral plantar nerve
- Deep peroneal nerve
- Posterior tibial nerve (correct)
- Medial plantar nerve
Which of the following muscles does not receive muscular branches from the lateral plantar nerve?
Which of the following muscles does not receive muscular branches from the lateral plantar nerve?
- Flexor digitorum longus
- Tibialis anterior (correct)
- Abductor digit minimi
- Flexor digitorum accessorius
Which articular branch supplies the ankle joint?
Which articular branch supplies the ankle joint?
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Which nerve is the continuation of the tibial (medial popliteal) nerve at the lower border of the popliteus muscle?
Which nerve is the continuation of the tibial (medial popliteal) nerve at the lower border of the popliteus muscle?
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Which nerve divides deep to flexor retinaculum into a medial and lateral plantar nerve?
Which nerve divides deep to flexor retinaculum into a medial and lateral plantar nerve?
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Study Notes
Deep Peroneal Nerve
- Divides into 2 terminal branches
- Cutaneous branches supply skin of the cleft between the 1st and 2nd toes
- Muscular branches supply all 4 muscles of the anterior compartment of the leg
- Articular branches supply the ankle joint
Tibial Nerve
- Continuation of the tibial (medial) popliteal nerve
- Descends between superficial and deep flexors of the back of the leg
- Divides deep to the flexor retinaculum into a medial and lateral plantar nerve
Medial Plantar Nerve
- Larger of the two terminal branches of the tibial nerve
- Muscular branches supply:
- Abductor hallucis
- Flexor digitorum brevis
- Cutaneous branches supply:
- Skin of the medial 2/3 of the sole
- Skin of the plantar surface of the medial 3 ½ toes
Lateral Plantar Nerve
- Smaller of the two terminal branches of the tibial nerve
- Muscular branches supply:
- Abductor digit minimi
- Flexor digitorum accessorius
- All 7 interosseus muscles
- Cutaneous branches supply:
- Skin of the lateral part of the sole
- Skin of the plantar surface of the lateral 1 ½ toes
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