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Gemellus Superior, Gemellus Inferior, and Obturator Externus
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The Pointer Plus is an easy to use trigger point (TP) locator which incorporates a push button stimulation feature to immediately treat Trigger point pain.

 

Gemellus Superior

The Gemellus Superior is a muscle of the gluteal region.

Anatomical Attachments:

  • Origin: Attaches to the outer surface of the spine of the ischium.
  • Insertion: Attaches to the medial surface of the greater trochanter of the femur, and combines with the tendons of the obturator internus.

Action: Rotates the thigh laterally.

Nerve Supply: L4, L5 and S1 nerves.

Vascular supply: Inferior gluteal artery.

 

Gemellus Inferior

The Gemellus Inferior is a muscle of the gluteal region.

Anatomical Attachments:

  • Origin: Attaches to the posterior part of the tuberosity of the ischium.
  • Insertion: Attaches to the medial surface of the greater trochanter, and merges with the obturator internus tendon.

Action: Rotates the thigh laterally.

Nerve Supply: Nerve to the Quadratus femoris.

Vascular supply: Inferior gluteal artery.

 

Obturator Externus

The Obturator Externus is a muscle of the gluteal region.

Anatomical Attachments:

  • Origin: Attaches to the external border of the obturator foramen and the obturator membrane.
  • Insertion: Attaches to the trochanteric fossa of the posterior femur.

Action: Laterally rotates and adducts the thigh.

Nerve Supply: Posterior branch of the obturator nerve (L3, L4).

Nerve Entrapment: The posterior branch of the Obturator nerve.

Vascular supply: Obturator and medial circumflex arteries.

 

Pain Referral for Gemellus Superior, Gemellus Inferior, and Obturator Externus

Travell and Simons Trigger Point Pain Referral:  

 

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