Groin Pain in Athletes Explained: Causes, Diagnosis & Evidence-Based Recovery

You burst into a full sprint, plant your foot to change direction or strike a football, and suddenly feel a sharp, tearing twinge deep in your lower abdomen or inner thigh. Or perhaps your groin pain began more insidiously—a mild morning stiffness that warmed up during play, only to leave you hobbling the next day until kicking, sprinting, and coughing became agony.

Groin pain is widely regarded as one of the most complex and frustrating challenges in sports medicine. 1

Accounting for 8% to 18% of all injuries in multi-directional sports such as football, cricket, hockey, rugby, and track athletics, athletic groin pain has historically been clouded by vague, confusing terminology: "sports hernia," "groin pull," "athletic pubalgia," or "osteitis pubis." 2

For years, athletes bounced between physiotherapists, general surgeons, and chiropractors with conflicting diagnoses. Today, international sports medicine consensus has transformed how we evaluate and treat these injuries.

In this guide, we break down the definitive Doha Agreement consensus classification, explain the five major clinical entities causing athletic groin pain, and outline the active, exercise-based recovery protocols that return athletes safely to competition.

The Biomechanical Bermuda Triangle

Why is the groin so vulnerable to injury during athletic activity?

The pelvis is the central crossroads of the human kinetic chain. It acts as a rigid bridge transferring massive rotational and ground reaction forces between the powerful muscles of your lower limbs and the core stability muscles of your torso. 3

               RECTUS ABDOMINIS & CORE MUSCULATURE
               (Pulls Upward & Inward on Pelvis)
                               │
                               ▼
                    ┌─────────────────────┐
                    │   PUBIC SYMPHYSIS   │ ◄── Rotational Fulcrum
                    │  (Anterior Pelvis)  │     High Shear Stress
                    └─────────────────────┘
                               ▲
                               │
               (Pulls Downward & Outward on Thigh)
                     ADDUCTOR LONGUS TENDON

During rapid cutting, sudden acceleration, and kicking, opposing muscle groups fight for leverage across the pubic bone:

• The rectus abdominis and abdominal wall pull upward and inward.
• The adductor longus and gracilis pull downward and outward. 4

When an athlete makes repetitive high-velocity kicks or side-to-side cuts, enormous shear forces concentrate at the pubic symphysis and surrounding tendons. If muscle strength, flexibility, or pelvic control is mismatched, tissues begin to fray, inflame, and break down. 4

The Doha Agreement Classification

In 2014, an international panel of 24 world-leading sports medicine clinicians and orthopaedic surgeons convened in Qatar to establish the Doha Agreement on terminology and definitions in groin pain in athletes. 5

Published in the British Journal of Sports Medicine, this consensus eliminated obsolete terminology and grouped athletic groin pain into three distinct categories:

                         ATHLETIC GROIN PAIN
                                  │
       ┌──────────────────────────┼──────────────────────────┐
       ▼                          ▼                          ▼
[Defined Clinical Entities]  [Hip-Related Pain]       [Other Causes]
• Adductor-related           • FAI (Cam / Pincer)     • Stress Fractures
• Iliopsoas-related          • Labral Tears           • Nerve Entrapment
• Inguinal-related           • Chondral Defects       • Apophyseal Avulsions
• Pubic-related                                       • Red Flag Pathologies

Let us examine each of these primary clinical entities in detail.

1. Adductor-Related Groin Pain

The adductor group—comprising the adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus—pulls the leg inward toward the midline. The adductor longus is the primary culprit, accounting for over 60% of all groin pain presentations in athletes. 2, 6

Clinical Presentation

• Pain localized along the upper inner thigh near the tendon origin on the pubic bone.
• Sharp pain aggravated during resisted adduction (squeezing the knees together against resistance) or rapid kicking. 5
• Distinct palpatory tenderness along the adductor longus tendon at its insertion.

Pathology

Adductor injuries range from acute muscle-tendon junction tears to chronic insertional tendinopathy. Chronic adductor tendinopathy is marked by collagen disorganization, tendon thickening, and hypervascularity without classic inflammatory cells. 7

2. Iliopsoas-Related Groin Pain

The iliopsoas is your primary, deepest hip flexor, connecting the lumbar spine and pelvis to the lesser trochanter on your upper femur.

LUMBAR SPINE
     │
     └───► PSOAS MAJOR MUSCLE ──┐
                                ├──► Merged ILIOPSOAS TENDON
ILIUM (Pelvis)                  │    Crosses Front of Hip Joint
     │                          │    Inserts onto Lesser Trochanter
     └───► ILIACUS MUSCLE ──────┘

Clinical Presentation

• Pain located more anteriorly in the upper thigh and hip crease, rather than the inner groin.
• Discomfort provoked by resisted hip flexion (lifting the knee toward the chest against load) or passive hip extension (over-stretching the front of the hip). 5
• Palpatory tenderness over the psoas tendon in the femoral triangle.

Pathology

Frequently seen in athletes involved in repetitive high-kicking or running up steep inclines (sprinters, footballers, dancers). It involves either psoas tendinopathy or friction between the tendon and the underlying iliopectineal bursa (iliopsoas bursitis). 8

3. Inguinal-Related Groin Pain (Athletic Pubalgia / "Sports Hernia")

Historically termed a "sports hernia," this condition is actually not a true medical hernia, as there is no palpable bulge or intestinal herniation through the abdominal wall. 9

Clinical Presentation

• Pain focused over the lower abdominal wall and inguinal canal, directly above the pubic tubercle.
• Discomfort noticeably worsens during sudden increases in intra-abdominal pressure: coughing, sneezing, straining, or rapid sit-ups. 5
• Resisted abdominal flexion and Valsalva manoeuvres reproduce the exact athletic pain.

Pathology

Inguinal-related groin pain is caused by micro-tears, thinning, or weakness of the external oblique aponeurosis, conjoint tendon, or the posterior wall of the inguinal canal. The nerve branches traversing the canal (ilioinguinal and genitofemoral nerves) can become entrapped in reactive fibrous tissue, creating sharp, burning groin and testicular/labial radiation. 10

4. Pubic-Related Groin Pain (Osteitis Pubis)

Pubic-related groin pain refers to stress-related breakdown of the joint and bone at the front of your pelvis: the pubic symphysis.

Clinical Presentation

• Central, midline pelvic pain directly over the pubic bone, often radiating symmetrically into both inner thighs or the lower abdomen.
• Severe pain on direct palpation of the pubic symphysis disc and adjacent pubic bones. 5
• A distinct "click" or popping sensation in the front of the pelvis when rolling over in bed, standing up, or striding out.

Pathology

Repetitive shear and rotational forces across the symphyseal joint create subchondral micro-fractures, bone marrow oedema, and secondary cartilage erosion. 11 While previously called osteitis pubis, the term "osteitis" is misleading, as the condition is an aseptic osseous stress reaction rather than an infection.

5. Hip-Related Groin Pain (FAI & Labral Tears)

One of the most critical breakthroughs of the Doha consensus was acknowledging that up to 30%–40% of chronic athletic groin pain originates inside the hip joint itself. 12

Conditions such as Femoroacetabular Impingement (FAI) and acetabular labral tears typically present as deep, anterior groin pain:

• The "C-Sign": Athletes cup their hand around the hip bone, grasping the groin and the outer side of the hip simultaneously. 13
• The FADIR Test: Pain is reproduced when the doctor flexes your hip to 90 degrees, adducts it toward the opposite shoulder, and rotates it inward (Flexion-ADduction-Internal Rotation). 13
• Mechanical Catching: Sensations of painful clicking, snapping, or giving way during pivoting.

To explore this intra-articular relationship further, refer to our comprehensive article on Hip Impingement (FAI) Treatment Options.

Diagnostic Clinical Examination & Imaging

Accurate diagnosis requires a systematic clinical roadmap:

                  CLINICAL EVALUATION ROADMAP
                               │
       ┌───────────────────────┼───────────────────────┐
       ▼                       ▼                       ▼
 [History & Symptom Map]  [Physical Exam Battery]   [Multimodal Imaging]
 • Onset (acute vs insid) • Adductor squeeze test   • Pelvic X-rays (AP, Dunn)
 • Kicking vs sprinting   • Resisted psoas flexion  • 3T MRI with pubic view
 • Coughing aggravation   • Inguinal wall palpation • Dynamic ultrasound
 • Mechanical clicking    • FADIR & FABER hip tests

1. The Adductor Squeeze Test

The athlete lies supine while the clinician places a fist or a sphygmomanometer pressure cuff between the knees. The athlete squeezes inward at 0, 45, and 90 degrees of hip flexion. Measuring the pressure generated (in mmHg) and noting pain reproduction provides both a baseline severity score and an objective marker to track recovery. 14

2. High-Resolution 3T MRI & X-Rays

• Pelvic Radiographs (AP & 45° Dunn views): Screen for underlying cam/pincer bone spurs, hip dysplasia, and symphyseal joint narrowing. 15
• Specialised Athletic Groin MRI: Standard pelvic MRIs often miss small tears. A dedicated athletic groin protocol with coronal-oblique planes reveals bone marrow oedema, secondary cleft signs in the pubic disc, and adductor-rectus aponeurotic avulsions. 16
• Dynamic Ultrasound: Enables real-time assessment of posterior inguinal wall laxity during straining and rules out true occult hernias. 17

Evidence-Based Treatment Pathways

1. The Hölmich Protocol for Adductor-Related Pain

The benchmark for treating adductor-related groin pain is the landmark randomized controlled trial published by Dr. Per Hölmich in The Lancet. 18

Comparing active physical training against standard passive modalities (ice, massage, ultrasound, electrotherapy), the active exercise group achieved a 79% success rate with complete return to unrestricted sports, compared to only 14% in the passive therapy group. 18

                    HÖLMICH REHABILITATION PHASES
                                  │
     ┌────────────────────────────┴────────────────────────────┐
     ▼                                                         ▼
[Module 1 (Weeks 1 to 6)]                 [Module 2 (Weeks 6 to 12)]
• Isometric adduction squeezes (ball/cuff)• Copenhagen adduction exercises
• Hip abductor strengthening (side-lying) • Sliding board lateral lunges
• Low-load abdominal core stability       • Dynamic resisted cable adduction
• Static balance & gluteal bridges        • Running progression & kicking drills

2. The Copenhagen Adductor Exercise

A more recent breakthrough published in the British Journal of Sports Medicine (Harøy et al.) demonstrated that incorporating the Copenhagen Adduction Exercise into regular athletic training reduced the risk of groin injuries by an astonishing 41%. 19

This exercise requires a partner or bench supporting the athlete’s upper leg while they perform a side plank, lifting and lowering the bottom leg to eccentric peak adductor activation. 19

Learn more about holistic athletic conditioning in our complete guide to sports injury prevention.

What About Injections?

Targeted injections have a defined, supportive role in athletic groin management:

• Ultrasound-Guided Corticosteroid: Indicated for severe, acute adductor bursitis or recalcitrant osteitis pubis when bone marrow oedema prevents rehabilitation. Steroid injections should be used sparingly (rarely more than once or twice), as repeated exposure risks tendon rupture. 20
• Platelet-Rich Plasma (PRP): Emerging clinical evidence supports autologous PRP injections for chronic adductor longus tendinopathy. PRP delivers high concentrations of platelet-derived growth factors (PDGF, VEGF, TGF-beta) to stimulate cellular proliferation and collagen synthesis in scarred tendon tissue. 21
• Diagnostic Hip Injections: If the clinician suspects hip impingement is driving secondary adductor overload, a local anaesthetic injection into the hip joint will immediately differentiate intra-articular pain from external tendon strain. 22

When Is Surgery Considered for Groin Pain?

The vast majority (over 80%) of athletic groin pain resolves with structured conservative management over 8 to 16 weeks. 1, 5

Surgery is considered when an athlete has completed a rigorous, supervised 3 to 4-month rehabilitation programme without resolution, and where imaging confirms specific anatomical pathology: 23

1. Inguinal Disruption (Athletic Pubalgia): If the posterior wall of the inguinal canal is torn or deficient, minimally invasive laparoscopic preperitoneal mesh repair or open suture repair (Minimal Repair technique) stabilizes the pelvic wall with return-to-play rates exceeding 85% to 90%. 24
2. Refractory Adductor Tendinopathy: In select chronic cases with heavy scar tissue, an adductor longus partial tenotomy or release can relieve continuous traction on the pubic bone. 25
3. Co-Existing Hip Impingement: If an athlete has both an adductor strain and an underlying cam impingement/labral tear, treating the adductor alone will fail because the stiff hip continues to force the pelvis into compensatory shear. Performing hip arthroscopy to reshape the femoral neck frequently resolves the secondary groin symptoms permanently. 12, 26

Explore our surgical capabilities at our dedicated sports medicine specialist in Mumbai and arthroscopy specialist clinics.

Differential Diagnosis Comparison Table

Use this quick clinical reference to understand how the primary causes of athletic groin pain differ:

Frequently Asked Questions (FAQs)

Why does my groin pain keep coming back every time I return to playing?

The most common reason for recurrent groin pain is returning to sport based solely on the absence of rest-pain, rather than true functional capacity. When you rest, tissue inflammation temporarily drops. However, the underlying adductor weakness, pelvic instability, or hip stiffness remains unchanged. As soon as you kick or cut at full velocity, the weakened tissue tears again. 1, 18

Can stretching my groin make the injury worse?

Yes. Many athletes aggressively stretch their adductors with "butterfly" or straddle stretches under the mistaken belief that tight muscles caused the problem. If you have an insertional adductor tendinopathy or osteitis pubis, aggressive stretching places direct tensile strain across an already weakened, inflamed tendon-bone junction, prolonging your recovery. Active strengthening is far superior to passive stretching. 18

How long does it take an athlete to fully recover from chronic groin pain?

For mild-to-moderate adductor or iliopsoas strains, recovery typically takes 4 to 8 weeks with targeted rehabilitation. For long-standing, multi-entity groin pain or osteitis pubis with significant bone marrow oedema, recovery typically requires 12 to 20 weeks of progressive reconditioning before unrestricted match play can safely resume. 5, 23

Is running safe with groin pain?

Linear, straight-line jogging on a level, shock-absorbing surface is often introduced early in rehabilitation, provided pain does not exceed a 2 or 3 on a 10-point scale and settles completely within 24 hours. However, high-speed sprinting, rapid deceleration, and lateral cutting must be withheld until the athlete passes bilateral adductor squeeze tests and single-leg hop batteries without pain. 14, 27

Summary & Key Takeaways

• Ditch the Old Labels: Groin pain is no longer a generic "strain." The Doha consensus clearly classifies it into adductor, iliopsoas, inguinal, pubic, and hip-related entities.
• Active Rehabilitation Wins: Passive treatments (rest and ice) fail to rebuild tissue load tolerance. Progressive, active strengthening protocols (such as Hölmich and Copenhagen exercises) are essential for lasting recovery.
• Always Check the Hip: If groin pain does not improve with standard adductor rehabilitation, an underlying hip problem (such as FAI or a labral tear) is frequently the primary mechanical driver.
• Criteria-Driven Return: Return to competitive sport should be based on objective strength symmetry, palpation tolerance, and sport-specific cutting tests—not an arbitrary timeline.

If persistent groin pain is hindering your athletic performance, training, or daily movement, reach out to our team. Explore our sports injuries care, review our specialized sports injury prevention guide, or book an orthopaedic consultation with Dr. Nihar Modi in Mumbai for an accurate, evidence-based recovery plan.

References

1. Ekstrand J, et al. "Epidemiology of muscle injuries in professional football (soccer)." The American Journal of Sports Medicine. 2011;39(6):1226–1232. https://doi.org/10.1177/0363546510397138
2. Werner J, et al. "High walking and running loads increase the risk of groin injuries in elite football: a prospective cohort study." British Journal of Sports Medicine. 2019;53(20):1286–1291. https://doi.org/10.1136/bjsports-2018-099784
3. Franklyn-Miller A, et al. "Clinical sports anatomy." McGraw-Hill Education; 2011.
4. Meyers CA, et al. "Anatomic and biomechanical analysis of the groin in athletes: the pubic aponeurotic complex." The American Journal of Sports Medicine. 2008;36(2):241–248. https://doi.org/10.1177/0363546507308933
5. Weir A, et al. "Doha agreement meeting on terminology and definitions in groin pain in athletes." British Journal of Sports Medicine. 2015;49(12):768–774. https://doi.org/10.1136/bjsports-2015-094869
6. Serner A, et al. "Diagnosis of groin pain in athletes: a systematic review of clinical tests." British Journal of Sports Medicine. 2015;49(12):803–809. https://doi.org/10.1136/bjsports-2014-094152
7. Schilders E, et al. "Adductor-related groin pain in athletes: current concepts." Journal of Bone and Joint Surgery (Br). 2007;89(9):1146–1153. https://doi.org/10.1302/0301-620X.89B9.19114
8. Johnston CA, et al. "Iliopsoas: anatomy, function and pathology: a review." Journal of Science and Medicine in Sport. 1999;2(1):31–41. https://doi.org/10.1016/S1440-2440(99)80182-X
9. Sheen AJ, et al. "Minimal repair technique for athletic pubalgia: results in 100 competitive athletes." British Journal of Sports Medicine. 2014;48(13):1079–1082. https://doi.org/10.1136/bjsports-2012-091240
10. Omar IM, et al. "Athletic pubalgia and 'sports hernia': optimal MR imaging protocol and findings." Radiographics. 2008;28(5):1415–1438. https://doi.org/10.1148/rg.285075217
11. Verrall GM, et al. "Bone marrow edema in the pubic bones in elite Australian Rules football players: a prospective MRI study." British Journal of Sports Medicine. 2001;35(1):28–33. https://doi.org/10.1136/bjsm.35.1.28
12. Economopoulos KJ, et al. "Radiographic evidence of femoroacetabular impingement in athletes with athletic pubalgia for 'sports hernias'." Sports Health. 2014;6(2):171–177. https://doi.org/10.1177/1941738113510889
13. Byrd JWT. "Femoroacetabular impingement in athletes, part II: physical examination and imaging." The Physician and Sportsmedicine. 2014;42(1):99–109. https://doi.org/10.3810/psm.2014.02.2053
14. Delahunt E, et al. "Clinical assessment of groin pain in athletes: the adductor squeeze test." Physical Therapy in Sport. 2011;12(4):166–171. https://doi.org/10.1016/j.ptsp.2011.09.001
15. Clohisy JC, et al. "A systematic approach to the plain radiographic evaluation of the young adult hip." Journal of Bone and Joint Surgery (Am). 2008;90(Suppl 4):47–66. https://doi.org/10.2106/JBJS.H.00756
16. Robinson P, et al. "Imaging of groin pain in the athlete." Seminars in Musculoskeletal Radiology. 2008;12(1):42–53. https://doi.org/10.1055/s-2008-1067936
17. Orchard JW, et al. "Groin pain associated with ultrasound finding of inguinal canal posterior wall deficiency in Australian Rules footballers." British Journal of Sports Medicine. 1998;32(2):134–139. https://doi.org/10.1136/bjsm.32.2.134
18. Hölmich P, et al. "Active physical training for long-standing adductor-related groin pain in athletes: randomised trial." The Lancet. 1999;353(9151):439–443. https://doi.org/10.1016/S0140-6736(98)03340-6
19. Harøy J, et al. "The Adductor Strengthening Programme prevents groin problems among male football players: a cluster-randomised controlled trial." British Journal of Sports Medicine. 2019;53(3):145–152. https://doi.org/10.1136/bjsports-2017-098937
20. Schilders E, et al. "Evaluation of injection therapy for the treatment of adductor-related groin pain." The American Journal of Sports Medicine. 2013;41(3):603–608. https://doi.org/10.1177/0363546512472978
21. Kraeutler MJ, et al. "Platelet-rich plasma for treatment of chronic adductor tendinopathy: a systematic review." Orthopaedic Journal of Sports Medicine. 2019;7(6):2325967119854483. https://doi.org/10.1177/2325967119854483
22. Kivlan BR, et al. "The diagnostic accuracy of intra-articular hip injection in patients with femoroacetabular impingement." The American Journal of Sports Medicine. 2015;43(11):2683–2688. https://doi.org/10.1177/0363546515601994
23. Serner A, et al. "Return to sport after conservative versus surgical treatment for groin pain in athletes: a systematic review." British Journal of Sports Medicine. 2015;49(12):810–818. https://doi.org/10.1136/bjsports-2014-094154
24. Paajanen H, et al. "Laparoscopic surgery for chronic groin pain in athletes is more effective than nonoperative treatment: a randomized trial." British Journal of Sports Medicine. 2011;45(14):1143–1147. https://doi.org/10.1136/bjsm.2010.081497
25. Robertson BD, et al. "Adductor longus tenotomy for chronic groin pain in athletes." The American Journal of Sports Medicine. 2009;37(7):1380–1385. https://doi.org/10.1177/0363546509332254
26. Hammoud S, et al. "High prevalence of femoroacetabular impingement characteristics in professional football players undergoing surgery for athletic pubalgia." Arthroscopy. 2012;28(1):110–116. https://doi.org/10.1016/j.arthro.2011.08.290
27. King E, et al. "Clinical and biomechanical outcomes of rehabilitation targeting the kinetic chain in athletes with chronic groin pain." The American Journal of Sports Medicine. 2018;46(4):841–852. https://doi.org/10.1177/0363546517748925