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Tibial Nerve (L4–S3) 3D

  • Description

    • * It descends through the popliteal fossa and lies on the popliteus muscle.
    • * It gives rise to three articular branches, muscular branches to the posterior muscles of the leg, medial sural cutaneous nerve, the medial calcaneal branch to the skin of the heel and sole, and the articular branches for the ankle joint.
    • * It terminates beneath the flexor retinaculum by dividing into the medial and lateral plantar nerves.                                                  

    • Medial Plantar Nerve:

      • * It arises beneath the flexor retinaculum, deep to the posterior portion of the abductor hallucis muscle, as the large terminal branch from the tibial nerve.
      • * It passes distally between the abductor hallucis and flexor digitorum brevis muscles and innervates them.
      • * It gives rise to common digital branches that divide into proper digital ones.                                                                                                                                                                                                                                           
    • Lateral Plantar Nerve:
      • * It is a small terminal branch of the tibial nerve that runs distally and laterally between the quadratus Plantae and the flexor digitorum brevis, innervating the quadratus Plantae and the abductor digiti minimi muscles.
      • * It divides into a superficial branch and a deep branch.

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  • Description

    • * It descends through the popliteal fossa and lies on the popliteus muscle.
    • * It gives rise to three articular branches, muscular branches to the posterior muscles of the leg, medial sural cutaneous nerve, the medial calcaneal branch to the skin of the heel and sole, and the articular branches for the ankle joint.
    • * It terminates beneath the flexor retinaculum by dividing into the medial and lateral plantar nerves.                                                  

    • Medial Plantar Nerve:

      • * It arises beneath the flexor retinaculum, deep to the posterior portion of the abductor hallucis muscle, as the large terminal branch from the tibial nerve.
      • * It passes distally between the abductor hallucis and flexor digitorum brevis muscles and innervates them.
      • * It gives rise to common digital branches that divide into proper digital ones.                                                                                                                                                                                                                                           
    • Lateral Plantar Nerve:
      • * It is a small terminal branch of the tibial nerve that runs distally and laterally between the quadratus Plantae and the flexor digitorum brevis, innervating the quadratus Plantae and the abductor digiti minimi muscles.
      • * It divides into a superficial branch and a deep branch.

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