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Lateral via trochanteric flip

Identification of the piriformis tendon is crucial at this stage.

Note: In some cases, identification of the piriformis tendon can be difficult if it is integrated into the posterior border of the gluteus medius.

Once the piriformis tendon is visible, the interval between the piriformis tendon and the posterior border of the gluteus minimus is identified. The interval between the gluteus minimus and the piriformis tendon is sharply dissected over a distance of 1-2 cm.