Hip Impingement Syndrome

Hip impingement syndrome, medically known as Femoroacetabular Impingement (FAI), is a condition that arises from abnormal contact between the bony structures of the hip joint, leading to pain and restricted range of motion. It is most commonly seen in young and active individuals and, over time, can result in cartilage damage and labral tears within the hip joint.

How Does Hip Impingement Occur?

The hip joint is a ball-and-socket joint, formed by the femoral head (ball) and the acetabulum (socket) of the pelvis. When these structures contact each other excessively or abnormally, friction occurs during hip movements. Over time, this can lead to pain, cartilage damage, and joint degeneration.

FAI typically develops due to two structural abnormalities:

Cam-type impingement: Extra bone formation at the junction between the femoral head and neck.
Pincer-type impingement: Excessive coverage of the femoral head by the acetabulum.
Combined type: A combination of both cam and pincer deformities.

Symptoms of Hip Impingement (FAI)

Hip impingement may present with the following symptoms:

Deep, sharp pain in the groin area
Increased pain after prolonged sitting or during bending movements
Clicking, catching, or locking sensations in the hip
Pain during or after sports activities
Limited hip movement, particularly during internal rotation

These symptoms may progress over time and can lead to reduced participation in sports or daily activities if left untreated.

How is Hip Impingement Diagnosed?

Diagnosis is made by an orthopedic specialist through a detailed medical history, physical examination, and imaging studies:

Physical examination: Maneuvers such as the FADIR test are used to assess pain and range of motion in the hip joint.
X-ray: Evaluates bone structures and detects deformities.
MRI or MR arthrography: Provides detailed assessment of the hip labrum and cartilage structures.
CT scan (Computed Tomography): Offers detailed bone imaging, especially useful for surgical planning.

Treatment Options

Treatment is planned according to the stage of the condition, severity of symptoms, and the patient’s lifestyle.

Conservative (Non-Surgical) Treatment

Activity modification: Avoiding movements that exacerbate pain.
Physical therapy: Strengthening the muscles around the hip.
Anti-inflammatory medications: Reducing pain and swelling.
PRP or intra-articular injections: Considered in selected cases.
These treatments are generally applied in early-stage patients or in individuals not suitable for surgery.

Surgical Treatment

Surgery is recommended for patients with persistent symptoms, who do not respond to conservative treatment, and in cases with significant structural deformities. The most commonly used method today is:

Hip Arthroscopy: Small incisions are made to access the joint, excess bone tissue is shaved, labral tears are repaired, and the joint structure is reshaped. This minimally invasive approach allows for a shorter recovery period and a lower risk of complications.

What Happens if Hip Impingement Syndrome is Left Untreated?

Over time, repeated impingement can lead to progressive cartilage damage in the affected area, potentially causing early-onset hip osteoarthritis. Early diagnosis and appropriate treatment can control pain and prevent long-term joint damage.

Conclusion

Hip impingement syndrome can be treated very successfully if detected early. Persistent groin pain, limited hip motion, or discomfort during sports should always be evaluated by an orthopedic specialist. With an accurate diagnosis and an individualized treatment plan, patients can return to an active, pain-free lifestyle.