Peroneal Nerve

A noteworthy nerve that innervates the lower extremities is the common peroneal nerve

  • It divides into the superficial and deep peroneal nerves
  • It innervates the anterior and lateral compartment of the leg, and the dorsum of the foot a
  • It everts and dorsiflexes the foot

Locating the Peroneal Nerve

at the fibular head

Peroneal Nerve

Peroneal Nerve Injury

Even though symptoms may worsen and involve pain or sensory loss, acute foot drop is the most typical presentation of common peroneal nerve damage or palsy.

Complex Regional Pain Syndrome (CRPS)

  • A tissue injury (fractures, sprains, or surgeries) to the upper or lower extremities can result in Complex Regional Pain Syndrome (CRPS), a chronic pain syndrome.
  • A pathognomonic marker for CRPS is currently lacking. The main symptom is chronic pain that may be persistent and out of proportion to the initial damage.
  • The pain might be undulating, constant, spontaneous, or episodic, among other qualities. 
  • Patients often described the pain as a burning sensation

Peroneal Nerve Block



  • Nerve entrapment
  • Trauma
  • First interdigital cleft laceration treatment


  • Foot or ankle surgery
  • Anterior tarsal tunnel syndrome
  • Analgesia for burns of the foot


    • Allergy 

    • Infection

    • Bleeding

    • Injury of the nerve and vein

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and Interesting Articles

  • Fletcher T, Orgill BD, Barth B. Deep Peroneal Nerve Block. [Updated 2022 Sep 2]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from:
  • Allam AE, Mansour ER. Superficial Peroneal Nerve Block. [Updated 2022 Sep 5]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from:
  • Lezak B, Massel DH, Varacallo M. Peroneal Nerve Injury. [Updated 2022 Sep 4]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from:
  • Agthong S, Huanmanop T, Sasivongsbhakdi T, Ruenkhwan K, Piyawacharapun A, Chentanez V. Anatomy of the superficial peroneal nerve related to the harvesting for nerve graft. Surg Radiol Anat. 2008 Mar;30(2):145-8. doi: 10.1007/s00276-007-0296-z. Epub 2008 Jan 9. PMID: 18183347.


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