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In some people, the fibres of the gemellus superior extend further than average, and are prolonged onto the medial surface of the greater trochanter of the femur. [1] The superior and inferior gemelli are supplied by the inferior gluteal artery. Nerve supply to the superior gemellus is from the supply to the internal obturator – L5, S1, and ...
The lateral rotator group is a group of six small muscles of the hip which all externally (laterally) rotate the femur in the hip joint.It consists of the following muscles: piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris and the obturator externus.
The nerve to obturator internus (also known as the obturator internus nerve [citation needed]) is a mixed (sensory and motor) [1] nerve providing motor innervation to the obturator internus muscle and gemellus superior muscle, [2] [1] and sensory innervation to the hip joint. [1] It is a branch of the sacral plexus. It is one of the group of ...
The body contains a prominent spine, which serves as the origin for the superior gemellus muscle. The indentation inferior to the spine is the lesser sciatic notch . Continuing down the posterior side, the ischial tuberosity is a thick, rough-surfaced prominence below the lesser sciatic notch.
This fossa is the point of insertion of four muscles. Moving from the inferior-most to the superior-most, they are: the tendon of the obturator externus muscle, the obturator internus, the superior gemellus and inferior gemellus. The width and depth of the trochanteric fossa varies taxonomically. [1] [2] [3]
They are not innervated with S2 as single origin, but partly by S2 and partly by other spinal nerves. They are most commonly known to govern the toes. The muscles are: sphincter urethrae membranaceae; gluteus maximus muscle; piriformis; obturator internus muscle; superior gemellus; semitendinosus; gastrocnemius; flexor hallucis longus; abductor ...
S1 supplies many muscles, either directly or through nerves originating from S1. They are not innervated with S1 as single origin, but partly by S1 and partly by other spinal nerves. The muscles are: gluteus maximus muscle; gluteus medius muscle; gluteus minimus muscle; tensor fasciae latae; piriformis; obturator internus muscle; inferior gemellus
The medial surface, of much less extent than the lateral, presents at its base a deep depression, the trochanteric fossa (digital fossa), for the insertion of the tendon of the obturator externus, and above and in front of this an impression for the insertion of the obturator internus and superior and inferior gemellus muscles.