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Superior Gemellus

Region

Origin & Insertion

['Origin: Ischial spine', 'Insertion: Greater trochanter via obturator internus tendon']

Synergistic Muscles

['Obturator internus', 'Quadratus femoris']

Joints

['Hip']

Primary Actions

['External rotation of hip']

Nerve & Spinal Segment

Nerve to obturator internus

Sacral plexus; L5–S2

Interesting

Works closely with obturator internus. [Gray’s]

Reversal of Action

Spinal/pelvic adjustment from hip-anchored ER

Common Dysfunctions

Restricted hip ER, piriformis-like symptoms

How to Stretch

Hip flexion with IR (seated figure 4).

Trigger Points

How to Strengthen

External rotation band work.

Concentric Action

Externally rotate extended hip

Applications:

Works with other deep rotators to stabilize femoral head

Eccentric Action

Control internal rotation during hip flexion

Isotonic Action

Seated ER with band resistance

Related Conditions

['Sciatic nerve irritation', 'Hip impingement']

Isometric Action

Hold externally rotated position in seated posture

Exercise Ideas

['Clamshells', 'Rotational bridges', 'Isometric hip ER']

Related Blogs

Images

Videos

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