Fig. 2

a Dissected specimen showing the musculocutaneous perforators (red arrows) originating from the posterior tibial artery, which are seen to branch to the lateral sural nerve (yellow arrow), the lesser saphenous vein (blue arrow), and the subcutaneous layer at the mid-point of the leg. b Dissected injected specimen showing intermuscular septum perforators (red arrows) of the peroneal artery below the mid-point of the leg, with the distribution of perforators to the lateral sural nerve (yellow arrow), the medial sural nerve (green arrow), the lesser saphenous vein (blue arrow), and the subcutaneous layer (color figure online)