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Aug 11, 2025

Groin Pain in Athletes and Active Adults: How Ultrasound Guides Diagnosis and Nonsurgical Treatments That Work

Why Groin Pain Is More Common Than You Think

Whether you’re sprinting down the soccer field, powering through a workout, or just chasing your kids at the park, groin pain can be a frustrating roadblock. It’s not just an “athlete problem” — long-standing groin pain affects weekend warriors, fitness enthusiasts, and even people who’ve done an awkward twist getting out of the car (Maloy et al, 2025).

What’s tricky is that groin pain can come from many structures — muscles, tendons, joints, and even nerves around the hip. Getting the right diagnosis is the key to a fast and lasting recovery. And the good news is that most cases can be treated without surgery.

One of the most valuable tools for getting answers? Musculoskeletal ultrasound (Herring et al, 2024; Naal et al, 2015; Forlizzi et al, 2023).

Understanding the Causes of Groin Pain

Doctors often use terms like "Sportsman's hernia," “Sportsman’s Groin,” “Athletic Pubalgia,” or “Pubic Inguinal Pain Syndrome” to describe chronic groin pain related to sports or physical overload. But these terms are not specific and do not get to the underlying cause of pain (Weir et al, 2015).

Common causes of groin pain include:

  • Adductor tendinopathy – strain or overuse of the muscles that pull your legs together

  • Iliopsoas tendinopathy – injury to the hip flexor muscles

  • Inguinal-related pain – weakness or irritation in the groin ligaments or tendons, without a true hernia

  • Hip-related pain – labral tears, impingement, or cartilage injury

Did you know?

Research involving over 12,000 patients found that tendinopathies of the adductor tendon and iliopsoas tendon are the most common causes of chronic groin pain — and 82% of people got better without surgery (Santilli et al, 2025).

Why Groin Pain Can Be Tricky to Diagnose

There are a number of muscles, tendons, nerves, and joints in this area. An injury in one structure often affects others, and symptoms can overlap. For example:

Because of this overlap, physical examination alone can sometimes miss the true cause — that’s where imaging comes in.

Ultrasound: A Game-Changer for Groin Pain Diagnosis

While MRI is sometimes used, musculoskeletal ultrasound offers several advantages for groin injuries:

  • Real-time imaging – see the tendons, muscles, and ligaments as you move

  • Dynamic testing – check for tendon snapping, hernia changes, or nerve entrapment during specific movements

  • Guided procedures – the same ultrasound can guide precise treatments like injections or percutaneous tenotomy

  • No radiation and quick results – safe for repeated follow-ups

Ultrasound can reveal:

  • Tendon thickening, tearing, or inflammation

  • Bone changes at tendon attachment sites

  • Fluid collections or bursitis

  • Areas of nerve compression

Most importantly, ultrasound findings are always interpreted alongside your symptoms and physical exam — because imaging alone doesn’t tell the whole story.

A Team Approach Works Best

Experts agree that groin pain responds best when evaluated by a multidisciplinary team — often including (Santilli et al, 2025):

  • Non-Operative Sports medicine physicians – to lead diagnosis and treatment planning

  • Physiotherapists – to correct movement patterns and build strength

  • Radiologists – to perform and interpret imaging

  • Surgeons – only if nonsurgical care isn’t enough

Nonsurgical Treatments That Work

The goal is to reduce pain, restore function, and prevent recurrence. Here’s how:

1. Load Management & Rehabilitation

  • Relative rest – avoiding painful activities but staying active in ways that don’t flare symptoms

  • Progressive strengthening – focusing on the core, hips, and thigh muscles to support the groin

  • Flexibility and mobility – restoring balanced motion in the hips and pelvis

  • Sport-specific retraining – gradually returning to drills, cutting, and sprinting movements

Exercise-based rehab with adductor and abdominal strengthening improves pain and return to sport versus passive therapy, and the typical return to sport at 8–16 weeks depending on severity (Almeida et al, 2013).

2. Ultrasound-Guided Injections

For stubborn inflammation, targeted injections under ultrasound guidance can help:

  • Corticosteroids – reduce inflammation (short-term use)

    • Across tendinopathies, corticosteroid injections provide short-term pain relief but worse intermediate/long-term outcomes versus other care, supporting cautious, selective use; ultrasound guidance is standard in the trials and clinical practice cited (Coombes et al, 2010; Hart, 2011).
  • Platelet-Rich Plasma (PRP) – uses your own blood’s healing factors to stimulate tendon repair (more below)

    • Adductor-related groin pain and “sports hernia,” nonoperative rehab remains mainstay
      with PRP injections used at the rectus–adductor complex in select cases, with reported improvement in some series (Nadeau-Vallee et al, 2025).

3. Platelet-Rich Plasma (PRP)

PRP is a regenerative medicine treatment where a small sample of your blood is processed to concentrate platelets — cells rich in growth factors. When injected into an injured tendon under ultrasound guidance:

  • It may stimulate tissue repair

  • Reduce pain over weeks to months

  • Provide longer-term relief than anti-inflammatory injections

Studies suggest PRP can be particularly helpful for chronic adductor or iliopsoas tendinopathy, especially when standard rehab hasn’t worked.

4. Percutaneous Tenotomy

For tendinopathy that doesn’t improve with rehab and PRP, a tenotomy under ultrasound guidance is a minimally invasive option:

  • Performed under local anesthesia with ultrasound guidance

  • Uses a small probe (like Tenex®) to remove degenerated tendon tissue

  • Stimulates a healing response while preserving healthy tissue

  • Usually followed by a tailored rehab program

This approach can reduce pain and improve function without the downtime of open surgery (Shomal Zadeh et al, 2023).

Success rates:

In the large review, over 80% of patients recovered fully with structured rehab, and many others improved with advanced nonsurgical options like EPI, PRP, or tenotomy — meaning only 14% needed surgery (Santilli et al, 2025).

When Surgery Is Considered

Surgery is reserved for cases where:

  • Pain persists after high-quality nonsurgical care

  • There’s significant inguinal weakness or tearing



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References

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Coombes BK, Bisset L, Vicenzino B. Efficacy and safety of corticosteroid injections and other injections for management of tendinopathy: a systematic review of randomised controlled trials. Lancet. 2010 Nov 20;376(9754):1751-67. doi: 10.1016/S0140-6736(10)61160-9. Epub 2010 Oct 21. PMID: 20970844.

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