2023年10月30日 · The obturator internus muscle and the superior and inferior gemelli muscles are together referred to as the triceps coxae. They share a common tendon, inserting at the greater trochanter of the femur. This article will discuss the anatomy and function of the obturator internus muscle.

2023年4月13日 · The Obturator Internus (OI) muscle is an external rotator and an abductor of the hip. It is also a pelvic floor muscle, with half of the muscle belly sitting right next to our Levator Ani muscles. The muscle also forms part of Alcokc’s Canal, which houses the perineal branch of the pudendal nerve.

The internal obturator muscle or obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis. It exits the pelvic cavity through the lesser sciatic foramen. The internal obturator is situated partly within the lesser pelvis, and partly at the back of the hip-joint.

2024年12月11日 · The obturator internus muscle, though often overlooked, plays a crucial role in hip stability and movement. This deep external rotator of the hip can become a significant source of pain and dysfunction, particularly affecting patients who engage in activities requiring repetitive hip motion or prolonged sitting.

The obturator internus muscle plays an important yet often overlooked role in the development of a range of musculoskeletal disorders, including pelvic floor and sciatic pain. This article provides a brief overview of obturator internus anatomy and discusses the important role the obturator internus muscle plays in the development of sciatica.

2024年10月18日 · Tightness or dysfunction in the pelvic floor muscles, especially the obturator internus, may be the culprit. The good news? There are ways to release this muscle yourself. In this blog, we'll discuss how to alleviate pelvic pain and …

The obturator internus is the deep muscle of hip joint which is part of lateral wall of pelvis. It is found in the superior inner side of the obturator membrane. [1] The obturator internus muscle originates from the inferior margin of the superior pubic ramus and from the pelvic surface of the obturator membrane. [1]

2023年1月17日 · The obturator internus muscle is innervated by the nerve to the obturator internus. This is a branch of the sacral plexus and originates from the L5-S2 spinal nerves. This nerve also innervates the superior gemellus muscle.

2021年8月25日 · The obturator internus muscle, like the piriformis muscle, is both a muscle of the pelvic wall and of the gluteal region. It originates within the pelvis, and continues as a flattened tendon posteriorly through the lesser sciatic foramen (between ischial spine and tuberosity).

2024年10月25日 · The obturator internus muscle plays a vital role in pelvic health, impacting urinary function and comfort during daily activities. Dysfunction in this muscle can lead to significant challenges, including urinary urgency and pain while sitting.