Overview
FAI is abnormal contact between the femoral head and hip socket, leading to cartilage and labral damage.

Symptoms
Groin pain with hip flexion, stiffness, and reduced range of motion.

Diagnosis
Physical exam and imaging (X‑ray, MRI).

Treatment
Activity modification, physical therapy, and sometimes arthroscopic surgery to reshape bone and repair labrum.

When to seek care
Persistent hip pain in active adults should be evaluated.