Why Does My Groin Hurt When I Exercise? Causes and Solutions

Groin pain during exercise is frustrating and often confusing. The pain might appear during running, squatting, kicking, or even walking—and figuring out the source can feel like detective work. Let's break down why your groin hurts and what you can do about it.

Understanding Groin Anatomy

Your groin region is a complex intersection of structures:

• Hip flexors (iliopsoas) pulling from spine to thigh
• Adductor muscles (inner thigh) attaching to the pubic bone
• Hip joint with its labrum and cartilage
• Pubic symphysis where the two sides of your pelvis meet
• Inguinal region with muscles, nerves, and potential hernia sites

Pain can originate from any of these—or several at once.

Common Causes of Exercise-Related Groin Pain

1. Adductor Strain (Groin Pull)

The most common cause in athletes. The adductor muscles resist the leg moving outward and help with stability.

Typical presentation:

• Sharp pain with sudden movements
• Tenderness along inner thigh
• Pain with resisted leg squeeze
• Often from rapid direction changes

Common triggers:

• Soccer, hockey, basketball
• Sprinting and cutting sports
• Sudden increase in training intensity

2. Hip Flexor Strain

The iliopsoas is the primary hip flexor and a common source of "groin" pain.

Signs it's your hip flexor:

• Pain with lifting your knee toward chest
• Discomfort sitting for long periods
• Pain at the front crease of hip
• Worse with running uphill or sprinting

3. Hip Joint Problems

The hip joint itself can cause groin pain:

• Labral tears: Catching, clicking, deep ache
• FAI (impingement): Pain with deep squatting or hip flexion
• Early arthritis: Morning stiffness, gradual onset
• Hip bursitis: Point tenderness, worse lying on that side

4. Athletic Pubalgia (Sports Hernia)

Not a true hernia, but a weakness or tear in the lower abdominal wall or pubic area.

Characteristics:

• Deep, aching groin pain
• Worse with twisting, sit-ups, coughing
• Common in soccer, hockey, football
• May radiate to inner thigh or testicle (men)

5. Osteitis Pubis

Inflammation at the pubic symphysis where the pelvis meets in the middle.

Signs:

• Central groin pain
• Tenderness over pubic bone
• Pain with running, kicking, direction changes
• Often bilateral

6. Referred Pain

Sometimes groin pain isn't from the groin at all:

• Lower back issues referring down
• Sacroiliac joint dysfunction
• Nerve entrapment (obturator, ilioinguinal)
• Stress fractures of pelvis or femur

Red Flags Requiring Medical Evaluation

Seek professional help if you have:

• Sudden severe pain with a "pop" sensation
• Visible bulge in the groin area
• Pain with coughing, sneezing, or bowel movements
• Testicular pain or swelling
• Numbness or weakness in the leg
• Pain that wakes you at night
• Fever or unexplained weight loss

Self-Assessment

While not a substitute for professional diagnosis, these tests can help identify the source:

Adductor test: Squeeze a pillow between your knees. Pain = possible adductor strain.

Hip flexor test: Lying on your back, pull one knee to chest. Pain in the opposite groin = possible hip flexor tightness.

Single-leg squat: Pain or giving way suggests hip joint issues or weakness.

Resisted sit-up: Pain suggests athletic pubalgia or abdominal involvement.

Treatment Strategies

For Adductor Strains

Acute phase (first 1-2 weeks):

• Relative rest from aggravating activities
• Ice for pain relief
• Gentle pain-free stretching
• Isometric adductor squeezes

Subacute phase (weeks 2-6):

• Progressive strengthening: Copenhagen planks, cable adduction
• Add sport-specific movements gradually
• Address hip and core weakness

For Hip Flexor Issues

• Stretch hip flexors (but don't overdo it)
• Strengthen through full range: dead bugs, leg raises
• Address sitting posture and duration
• Work on hip extension mobility

For Hip Joint Problems

• Modify activities that cause pain
• Strengthen hip stabilizers: clams, fire hydrants, hip hikes
• Improve hip mobility in all directions
• Consider physical therapy for manual techniques

General Groin Rehab Principles

1. Don't just stretch Stretching alone rarely fixes groin problems. Strengthening is essential.

2. Build stability Single-leg exercises, Copenhagen planks, and core work protect the groin.

3. Progress gradually Return to sport in stages: walk → jog → run → sprint → cut

4. Address the cause Training errors, muscle imbalances, or technique issues often underlie groin injuries.

Prevention Strategies

Adductor strengthening: The Copenhagen plank and its progressions reduce groin injury risk by 41% in soccer players.

Hip mobility work: Maintain adequate hip flexion, extension, and rotation.

Core stability: Planks, anti-rotation exercises, and dead bugs.

Proper warm-up: Dynamic movements that prepare the groin for activity.

Smart training: Avoid sudden increases in intensity or volume.

Recovery Timeline

• Mild strain: 1-3 weeks
• Moderate strain: 3-8 weeks
• Severe strain: 8-12+ weeks
• Hip joint issues: Variable, often requires professional guidance
• Athletic pubalgia: May require surgery if conservative treatment fails

The Bottom Line

Groin pain during exercise usually responds well to proper identification and targeted treatment. The key is addressing not just the pain, but the underlying weakness or imbalance that caused it. Don't rush back too soon—groin injuries are notorious for recurring when rehabilitation is incomplete.

If your symptoms persist beyond 2-3 weeks of appropriate self-care, or if you have any red flag symptoms, consult a sports medicine physician or physical therapist for proper diagnosis and treatment planning.