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Figure 1a.  (a) Drawing of the dorsal aspect of the foot illustrates the territories of the deep peroneal nerve (DPN), lateral plantar nerve (LPN), medial plantar nerve (MPN), sural nerve (SN), and superficial peroneal nerve (SPN). (b) Drawing of the plantar aspect of the foot illustrates the territories of the lateral calcaneal nerve (LCN), lateral plantar nerve (LPN), medial calcaneal nerve (MCN), medial plantar nerve (MPN), and sural nerve (SN).