Gemellus Inferior

Inferior gemellus muscle.PNG

Description[edit | edit source]

Gemellus inferior is the second of the gemelli muscles.[1] It lies inferior to gemellus superior and the Obturator internus tendon [2].

Origin[edit | edit source]

Ischial tuberosity and lower part of lesser sciatic notch

Insertion[edit | edit source]

Blends with tendon of obturator internus, and gets inserted into medial surface of greater trochanter of femur

Nerve Supply[edit | edit source]

Nerve to Quadratus Femoris (L4, L5, S1)[3]

Artery[edit | edit source]

Supplied by medial circumflex femoral artery.

Function[edit | edit source]

It works with gemellus superior to externally (laterally) rotate the hip and provide dynamic stability to the hip joint.

[4]

References[edit | edit source]

  1. Miniato MA, Varacallo M. Anatomy, Back, Lumbosacral Trunk. InStatPearls [Internet] 2019 Mar 9. StatPearls Publishing.
  2. Häggström, Mikael (2014). "Medical gallery of Mikael Häggström 2014". WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.008. ISSN 2002-4436
  3. Honma S, Jun Y, Horiguchi M. The human gemelli muscles and their nerve supplies. Kaibogaku zasshi. Journal of anatomy. 1998 Aug;73(4):329-35.
  4. Kenhub - Learn human anatomy. Functions of the gemelli muscles (preview) - 3D Human Anatomy | Kenhub. Available from: https://www.youtube.com/watch?v=SWuoa-XJPXg [last accessed 25/07/2019]