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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 ...
Flat, wispy and highly variable, [4] sometimes consisting of several separate muscular bundles, [5] this muscle is without a distinct investing fascia and ranges 1.5–3 cm in width. [4] It is usually distinct from the vastus intermedius, but occasionally blended with it. [5] [needs update]
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 nerve of the anterior compartment of thigh is the femoral nerve. [2] Innervation for the quadriceps muscles come from the posterior division of the femoral nerve, while the anterior division (which contains cutaneous as well as muscular components) gives a lateral and a medial branch, the second being responsible for the innervation of the sartorius muscle. [4]
S2 supplies many muscles, either directly or through nerves originating from S2. 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
The internal obturator muscle arises from the inner surface of the antero-lateral wall of the pelvis. [1] It surrounds the obturator foramen. [1] [2] It is attached to the inferior pubic ramus and ischium, and at the side to the inner surface of the hip bone below and behind the pelvic brim. [1]