Why FAI Hip Injuries in Athletes Are Misunderstood and How to Treat Them More Effectively

Athletes, especially those who engage in high-impact sports like running, are often familiar with hip pain, but many are unaware that it could be a sign of Femoroacetabular Impingement (FAI) or other related injuries. 

FAI occurs when the ball and socket joint of the hip becomes compromised, often due to bone or tissue impingement that leads to discomfort, particularly in the groin area. This condition is frequently misdiagnosed as a simple groin strain, hip flexor strain, or even a labrum tear, which leads many athletes to struggle with improper treatment plans. This misunderstanding can delay recovery and make it harder for athletes to return to their sport.

Understanding FAI and related hip injuries is crucial for effective treatment, and in this blog, we’ll explain the common misconceptions and dive deep into the specific treatments that can help athletes recover more efficiently. 

Through a combination of advanced technologies and targeted physical therapy techniques, many of these injuries can be addressed without the need for surgery.

What Is Femoroacetabular Impingement (FAI)?

FAI is a condition where abnormal bone growth occurs around the ball (femoral head) or the socket (acetabulum) of the hip joint, restricting movement and causing tissue to pinch between the bones. This impingement can lead to pain and stiffness, particularly during running, squatting, and activities that involve hip rotation. There are two primary types of FAI: cam and pincer, both of which cause a similar set of symptoms, including deep aches in the groin, hip clicks, and discomfort after running.

Why Is FAI Often Misunderstood?

One of the primary reasons FAI is frequently misdiagnosed is that its symptoms often overlap with those of other hip injuries. For instance, groin strains and hip flexor issues are commonly confused with FAI due to the pain localization in the front of the hip. Furthermore, FAI is often mistaken for a general wear-and-tear issue, when in fact, it is a biomechanical problem caused by improper movement patterns.

Another misconception is that rest is the primary solution to FAI. While rest may help temporarily alleviate symptoms, the real key to recovery lies in addressing the underlying movement dysfunction. A common mistake is telling athletes to stop running altogether. In fact, running, if done correctly, doesn’t exacerbate FAI; faulty mechanics do.

Specific Treatments for FAI Hip Injuries

Fortunately, FAI can often be treated conservatively, without the need for surgery. A combination of physical therapy, strength training, and advanced technologies has shown to be effective in reducing pain and improving function. Below, we’ll break down the treatments for specific injuries related to FAI, as well as technologies that can help accelerate recovery.

  1. FAI (Femoroacetabular Impingement)
    Treatment for FAI focuses on improving hip joint mobility and reducing the impingement through strengthening key muscles and correcting poor posture.
    • Glute and Hamstring Activation: The glutes and hamstrings play an essential role in stabilizing the pelvis and preventing the anterior pelvic tilt that worsens FAI. Strengthening these muscles can help reduce hip pain and pressure on the joint. (add photo/video depicting treatment)
    • EMG (Electromyography): EMG technology ensures that the glutes and hamstrings are properly activated during exercises. This is crucial because even if an athlete is performing exercises like squats or lunges, they may not be recruiting the right muscles, which can exacerbate the issue. (add photo/video depicting treatment)
    • 3D Motion Feedback: Using 3D motion analysis and video feedback, therapists can monitor an athlete’s running form and posture to ensure that the pelvis remains level during movement. This avoids the anterior pelvic tilt, which can increase hip joint impingement. (add photo/video depicting treatment)
    • Force Plates: These are used to assess the balance and strength of both legs. By tracking how force is applied during movements, force plates help therapists design more targeted strength programs to correct asymmetries and improve overall running mechanics. (add photo/video depicting treatment) 

Other Diagnosis That May Present As FAI

Proximal Hamstring Tendinosis
Proximal hamstring tendinosis is a chronic overuse injury that affects the tendon where the hamstring muscles attach to the ischial tuberosity (sit bone). This injury often occurs in athletes who perform repetitive activities like running or jumping, leading to microtears in the tendon that become irritated and painful.

    If you want to dive deeper into this topic, check out our previous blog on Why Proximal Hamstring Tendinosis Keeps Runners Sidelined and How to Speed Up Return to Running.

    Trochanteric Bursitis
    Trochanteric bursitis is the inflammation of the bursa on the outside of the hip, near the greater trochanter. This condition can be extremely painful and limit movement, often affecting athletes who engage in running or activities that require repetitive hip movement.

    Hip Flexor Strain
    Hip flexor strains typically result from overuse or sudden movements that overstretch the hip flexor muscles. Athletes who sprint, kick, or run uphill are at higher risk of this injury.

    Groin Strain
    A groin strain occurs when the adductor muscles (inner thigh) are overstretched or overused, often during activities that involve rapid changes in direction, such as soccer, basketball, or running.

    Hip Labrum Tear
    A hip labrum tear occurs when the cartilage in the hip joint becomes damaged, often due to impingement or trauma. The labrum helps to stabilize the hip joint, and tears can cause pain, instability, and a clicking or catching sensation in the hip.

      The Importance of Accurate Diagnosis and Treatment


      FAI and related hip injuries are often misunderstood because their symptoms overlap with other common conditions, leading to misdiagnoses. It’s crucial for athletes to seek out accurate assessments and treatment plans to avoid prolonged pain and ineffective interventions. With the right combination of physical therapy, cutting-edge technologies like EMG and 3D motion feedback, and targeted exercises, most athletes can recover from FAI and related injuries without the need for invasive surgery.

      Athletes must focus on correcting movement dysfunctions, strengthening key muscles like the glutes and hamstrings, and avoiding common pitfalls like pelvic drop and anterior pelvic tilt. By addressing these issues early on, athletes can return to their sport stronger, with reduced risk of reinjury.

      FAI does not have to be a career-ending diagnosis. With proper care, athletes can learn to work with their anatomy and function at their best, allowing them to continue competing at high levels while minimizing the impact of hip pain.

      By Dr. Kevin Vandi DPT OCS CSCS

      Dr. Vandi is the founder of Competitive EDGE Physical Therapy — with his background in physical therapy, orthopedics, and biomechanics, he is a highly educated, compassionate specialist. Using state-of-the-art motion analysis technology and data-driven methodologies, Kevin has assisted a wide range of clients, from post-surgery patients to youth and professional athletes. When he isn’t busy working or reading research, he spends his time with his wife Chrissy and their five wonderful children, often enjoying the outdoors and staying committed to an active lifestyle.

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