Sural nerve

Course

  • branches from tibial nerve between heads of gastrocnemius
  • descends superficial to the belly of the gastrocnemius muscle
  • penetrates through the deep fascia approximately in the middle of the leg
  • passes around the lateral malleolus, and into the foot
  • formed of medial and lateral sural nerves

source: Gray's

supply - cutaneous only

skin over lower posterolateral leg, posterolateral foot