The posterior border of the ala of the ilium, shorter than the anterior, also presents two projections separated by a notch, the posterior superior iliac spine and the posterior inferior iliac spine. …

The PSIS marks the posterior edge of the iliac crest and manifests in some individuals as dimples on the lower back, colloquially called “dimples of Venus.”

The posterior superior iliac spine (PSIS) is a critical component of the pelvis, serving as a junction for ligaments and muscles that support the spine and facilitate movement.

The posterior superior iliac spine (PSIS) is the blunt process that marks the posterior end of the iliac crest. It cannot be palpated but a small skin dimple often marks its location.

Mar 11, 2024 · The posterior superior iliac spine (PSIS) is a bony projection of the ilium, located at the posterior end of the iliac crest, which spans between it and the anterior superior iliac spine …

A PSIS injection is used to diagnose pain in the PSIS region, usually caused by inflammation or dysfunction in this area of the body. Benefits of the PSIS injection is proper diagnosis of your …

Everything you need to know to perform accurate PSIS palpation in your SI joint assessments. Dr. Ryan Whelton, DPT, is a licensed physical therapist and founder of the Whelton Methods®.

Jun 14, 2025 · The PSIS is often used as a reference point in medical imaging studies, such as X-rays, CT scans, and MRI scans, to evaluate the pelvis and lower back. It helps clinicians to …

Aug 3, 2025 · Pituitary Stalk Interruption Syndrome (PSIS) represents a rare congenital condition primarily affecting the hypothalamic-pituitary axis. Magnetic Resonance Imaging (MRI) serves …

Jan 15, 2025 · Understanding the impact of Pituitary Stalk Interruption Syndrome (PSIS) on health and development, including causes, symptoms, diagnosis, and management options.