Pudendal Nerve (S2-S4)

Authors
Affiliations

Nathaniel Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Roots

S2, S3, S41

Pathway

  • Thru alcocks canal
  • Post/med to ant lateral:
  • NAVN
    • Pudendal Nerve
    • Internal pudendal Artery and then Vein
    • Nerve to obt internus

Motor innervation

Nerve to Quadratus Femoris Muscle Innervations
Muscle Origin Insertion Innervation Action
Inferior Gemellus
  • [Ischial tuberosity](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#origin) [@gilroyAtlasAnatomy2020]
  • [Medial surface of greater trochanter via obturator internus tendon](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#insertion) [@gilroyAtlasAnatomy2020]


L5 - S11

  • [Nerve to Quadratus femoris](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020; @aungAnatomicalStudyObturator2001]

[L5](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#nerve) - [S1](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020]

 Hip

  • [ER](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020]
  • [Extension](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020]
  • [Abduction](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020]
Quadratus femoris
  • [Lateral border of Ischial tuberosity](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/quadratus_femoris_muscle.qmd#origin) [@gilroyAtlasAnatomy2020]
  • [Intertrochanteric crest](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/quadratus_femoris_muscle.qmd#insertion) [@gilroyAtlasAnatomy2020]


L5 - S11

  • [Nerve to Quadratus femoris](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/quadratus_femoris_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020]

[L5](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/quadratus_femoris_muscle.qmd#nerve) - S1 [@gilroyAtlasAnatomy2020]

 Hip

  • [ER](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/quadratus_femoris_muscle.qmd#action) [@gilroyAtlasAnatomy2020]

Direct Branches

Cutaneous Innervation

Dysfunction

1.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.
2.
Aung HH, Sakamoto H, Akita K, Sato T. Anatomical study of the obturator internus, gemelli and quadratus femoris muscles with special reference to their innervation. The Anatomical Record. 2001;263(1):41-52. doi:10.1002/ar.1075

Citation

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