Origin | Fibula, posterior aspect of upper 1/3 |
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Insertion | Base of distal phalanx of hallux |
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Action(s) | Flexes all joints of the big toe, plantar flexion of the ankle joint |
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Nerve Supply | Tibial nerve, S1 & S2 nerve roots |
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Arterial Supply | Peroneal artery (peroneal branch of the posterior tibial artery) |
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Physical Exam | Enter physical examination maneuvers for muscle |
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Clinical Importance | Enter clinical importance of muscle |
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Disease States | Enter links to pages where muscle involved |
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Discussion | Usually a slip runs to the Flexor digitorum and frequently an additional slip runs from the Flexor digitorum to the Flexor hallucis. Peroneocalcaneus internus, rare, origin below or outside the Flexor hallucis from the back of the fibula, passes over the sustentaculum tali with the Flexor hallucis and is inserted into the calcaneum. |
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