What causes obturator internus tightness?

The obturator internus can become tensioned or spasmed from overworking, muscle imbalances, injuries, and postural changes. Some symptoms of obturator internus muscle tension include: Hips that feel tight and your feet always seem to be rotated out.

What is obturator internus syndrome?

Gemelli – obturator internus syndrome refers to symptoms associated with sciatic nerve entrapment at the level of the conjoined gemelli- obturator internus musculotendinous complex at the posterior aspect of the hip joint.

How to treat muscle spasm in the obturator internus?

To reduce the suspected muscle spasm, he injected 100 units of Botox, a potent muscle relaxer, into the obturator internus muscle via fluoroscopic guidance and the result was impressive: 3 months of 90% pain relief which correlates to the duration of action of Botox.

What are the symptoms of obturator internus syndrome?

Piriformis Syndrome, Obturator Internus Syndrome, Pudendal Nerve Entrapment, and Other Pelvic Entrapments. Three types of radiating nerve symptoms can result from spasm of the obturator internus muscle. The spasm may impinge on the transiting obturator nerve, causing medial thigh and adductor symptoms.

Where does the sciatic nerve contact the obturator internus?

In some individuals, the sciatic nerve does not contact the tendon of the obturator internus, but in others, it may be entrapped by that tendon ( Fig. 238-5 ). Entrapment also occurs in the lower ischial tunnel adjacent to the hamstring attachments or at the quadratus femoris muscle.

Where does the obturator internus attach to the femur?

If so, you may have obturator internus dysfunction. The obturator internus (OI) is a hip muscle that originates deep within the pelvis, wraps out and inserts on the posterior aspect of the head of the femur (the thigh bone).