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Hip · FAI

Femoroacetabular Impingement

Diagnosis & treatment by Kevin O'Donnell, MD — Coral Gables, FL

Overview

Femoroacetabular impingement (FAI) is abnormal contact between the ball and socket of the hip, often from extra bone, that damages cartilage and the labrum over time. It is common in active young adults.

Common Symptoms

  • Groin pain with deep flexion or pivoting
  • Stiffness and reduced hip motion
  • Pain with prolonged sitting
  • Clicking or catching

Causes & Risk Factors

  • Extra bone on the ball (cam) or socket (pincer)
  • Repetitive hip flexion sports
  • Developmental hip shape

Treatment Options

  • Activity modification and physical therapy
  • Anti-inflammatory measures and injection
  • Arthroscopic bony reshaping (osteoplasty) and labral repair

Recovery & What to Expect

Rehabilitation is first-line. Arthroscopic correction addresses the underlying bone shape, with return to sport typically at 4–6 months.

This page is for general education and is not a substitute for a medical evaluation. Treatment recommendations depend on your individual diagnosis and goals. Kevin O'Donnell, MD serves Coral Gables, Miami, Brickell, Pinecrest, Coconut Grove.