triangle of Petit

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Related to triangle of Petit: Grynfeltt triangle, triangle of auscultation

triangle of Petit

The space above the hip bone between the exterior oblique muscle, the latissimus dorsi, and the interior oblique muscle.

See also: triangle

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References in periodicals archive ?

A 90 mm 22 G bevelled spinal needle (Quincke) was inserted perpendicular to skin, just superior to iliac crest (2-3 cm) within lumbar triangle of Petit and slightly behind the midaxillary line.

Transversus abdominis plane (TAP) block as a modality for postoperative analgesia in abdominal surgeries

The major difference in needle insertion technique is that the needle is inserted perpendicular to the skin over the triangle of Petit for the blind technique; whereas the needle insertion point is more anterior and the needle direction is parallel to the TAP when using ultrasound, so that the needle is imaged in the plane of the beam.

Ultrasound-guided transversus abdominis plane (TAP) block

The triangle of petit was identified by palpating the highest point of iliac crest and lower border of thoracic cage anterior to latismus dorsi and posterior to external oblique muscle.

Transversus abdominis plane block: a complementary technique for post operative analgesia in lower abdominal gynecological cancer surgeries