Gemellus Inferior

Inferior gemellus muscle.PNG

Description

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

Origin

Ischial tuberosity and lower part of lesser sciatic notch

Insertion

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

Nerve Supply

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

Artery

Supplied by medial circumflex femoral artery.

Function

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

[4]

References

  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]