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A groin strain is an injury to the area of the body where the abdomen meets the leg and the inner thigh muscles attach to the pubic bone. Typically, groin strains occur in the muscles of the upper inner thigh near the pubic bone or in the front of the hip. This injury is more common in athletes and men; however, certain activities can increase the risk for anyone to experience a groin strain.

Groin strains can occur during sprinting or any type of activity requiring forceful movement of the leg, such as jumping, kicking the leg up, or changing directions while running. Groin strains account for 10% of all hockey injuries and 5% of all soccer injuries. Physical therapists treat groin strains by reducing pain and helping patients improve muscle strength and leg motion. Physical therapy can also help to reduce recovery time.

Physical therapists are movement experts. They improve quality of life through hands-on care, patient education, and prescribed movement. You can contact a physical therapist directly for an evaluation. To find a physical therapist in your area, visit Find a PT.

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What Is a Groin Strain?

A groin strain is an overstretch or tearing injury to the muscles of the inner thigh or front of the hip. Groin strains make walking, lifting the knee, or moving the leg away from or toward the body hard to do and painful. Groin strains can occur from overuse of the muscles. They also can result from a sudden contraction of the muscles.

Injury occurs when the muscles are either too forcefully contracted or too forcefully overstretched. There are several grades of groin strains based on the amount of muscle damage that occurs:

  • Grade 1: Mild or partial stretch, or a tear of a few muscle fibers. The muscle is tender and painful, but maintains its normal strength. Use of the leg is not impaired, and walking is normal.
  • Grade 2: Moderate stretch, or tearing of a greater percentage of the muscle fibers. There is more tenderness and pain, noticeable loss of strength, and sometimes bruising. Use of the leg is noticeably impaired, and limping when walking is common.
  • Grade 3: Severe tear of the muscle fibers, sometimes a complete muscle tear. A "popping" sound may be heard or felt when the injury occurs. Bruising is apparent. A "dent" in the muscle may be seen under the skin at the site of the tear. Use of the leg is very difficult, and putting weight on the leg is very painful.

Groin strains most often occur in athletic activities such as football, soccer, and dance. They also can occur during everyday activities, such as lifting heavy items or slipping while walking. With a groin strain or tear, muscle fibers and other cells are disrupted. Bleeding can occur, which causes bruising. Within a few minutes to a few hours after the injury, swelling can occur, causing the injured area to expand and feel tight and stiff.

How Does It Feel?

A groin strain causes sharp pain or spasms in the groin area or lower abdominal region. The pain can quickly resolve, or it can last, and become a throbbing pain at rest with sharp stabs of pain when you try to move your leg or walk.

A lower-grade strain can be relatively pain free with everyday activities and walking, but aggravated with quick movements of the legs such as cutting, kicking, performing sit-ups, or sprinting/running.

Higher-grade strains can cause the muscles to feel tight or weak. Simple movements that involve lifting the leg or knee, or bringing the knees together, can provoke pain, and even cause the groin muscles to spasm.

If the groin strain involves a Grade 3 (complete) tear, you may hear or feel "pop" at the time of injury. With a Grade 3 injury, using the leg at all can be extremely painful.

Signs and Symptoms

With a groin strain, you may experience one or more of the following symptoms in the groin area or lower abdomen:

  • Pain, a deep ache, and/or spasms.
  • Swelling.
  • Bruising.
  • Tightness.

Additional symptoms that you may experience include:

  • Weakness in the leg when trying to walk, climb stairs, or move the leg.
  • Limping when walking.
  • Difficulty performing daily activities that require standing and walking.

How Is It Diagnosed?

If you see your physical therapist first, your therapist will conduct a thorough evaluation that includes taking your health history. The first goal of your physical therapist is to rule out any other serious conditions that may be causing your symptoms that would warrant a referral to another health care provider. Since groin pain can be present with other diagnoses involving your hip, pelvis, or lower back, your physical therapist may ask specific questions or use additional tests to assess whether other areas of your body are causing your pain.

Your physical therapist may ask you:

  • What were you doing when you first felt pain?
  • Where did you feel the pain?
  • Did you hear a “pop” when it occurred?
  • Did you receive a direct hit to your leg or groin area?
  • Did you notice any swelling in the first two to three  hours after the injury?
  • Do you feel pain when lifting your leg, walking, moving the leg away from you, or drawing your knees together?

Your physical therapist will perform special tests to help determine a diagnosis, such as:

  • Gently moving your leg away from your body.
  • Asking you to resist against their hand as they try to gently push your leg outward (muscle strength test).
  • Gently feeling parts of the muscle to find the specific location of the injury (palpation).

To provide a final diagnosis, your physical therapist may collaborate with an orthopedist or other health care provider. The orthopedist may order further tests — such as an X-ray or MRI — to confirm their diagnosis and to rule out other issues. These tests, however, are not commonly required for groin strain.

How Can a Physical Therapist Help?

Your physical therapist will design a treatment program for your specific needs to speed your recovery. This program will include exercises and treatments you can do at home to help you return to your normal lifestyle and activities.

The First 24 to 48 Hours

Your physical therapist may advise you to:

  • Rest the area. This may include avoiding walking or any activity that causes pain. They may recommend crutches to reduce further strain on the muscles when walking.
  • Apply ice packs to the area for 15 to 20 minutes every 2 hours.
  • Compress the area with an elastic bandage wrap.
  • Consult with another health care provider for further services, such as medication or diagnostic tests.

Your physical therapist will personalize a treatment plan for you based on your unique condition and goals. Your plan may include treatments to:

Reduce pain. Your physical therapist may use different treatments and technologies to control and reduce your pain. These may include ice, heat, ultrasound, electrical stimulation, taping, exercises, and hands-on therapy, such as massage. These treatments can lessen the need for pain medication, including opioids.

Improve motion. Your physical therapist will choose specific activities and treatments to help restore normal movement in the leg and hip. These might begin with "passive" motions that the therapist performs for you to gently move your leg and hip joint. They will help you progress to doing active exercises and stretches that you perform yourself.

Improve strength. Certain exercises will benefit healing at each stage of recovery. Your physical therapist will teach you the appropriate exercises to steadily restore your strength and agility. These may include using cuff weights, elastic bands, weight-lifting equipment, and cardio-exercise equipment, such as treadmills or stationary bicycles.

Speed recovery time. Your physical therapist is trained and experienced in choosing the right treatments and exercises to help you heal. They can help you return to your normal lifestyle and reach your goals faster than you are likely to do on your own.

Promote a safe return to activities. Your physical therapist will work with you to decide on your recovery goals, including your return to work or sport. They will design your treatment program to help you reach those goals in the safest, fastest, and most effective way possible. Your physical therapist will use hands-on therapy, such as massage, and teach you exercises and work retraining activities. Your therapist also may teach you sport-specific techniques and drills to help you achieve any sport-specific goals.

Prevent future reinjury. Your physical therapist can recommend a home-exercise program to strengthen and stretch the muscles around your hip, upper leg, and abdomen. Doing these prescribed exercises can help prevent future reinjury of your groin. These may include strength and flexibility exercises for the leg, hip, and core muscles.

If Surgery Is Necessary

Surgery is rarely needed for a groin strain. If a groin muscle fully tears and requires surgical repair, your physical therapist will help you minimize pain, restore motion and strength, and return to normal activities safely and as soon as possible after surgery.

Can This Injury or Condition Be Prevented?

The following recommendations can help you prevent a groin strain:

  • Increase the intensity of activity or sport gradually, not suddenly. Avoid pushing yourself too hard, too fast, too soon.
  • Always warm up before starting a sport or heavy physical activity.
  • Follow a consistent strength and flexibility exercise program to maintain good physical conditioning, even in a sport's off-season.
  • Strengthen the muscles of the inner thigh and groin.
  • Wear shoes that are in good condition and fit well.
  • Use correct lifting techniques.

Your physical therapist can help you learn more about any of these recommendations, and offer specific training to help you achieve them.

What Kind of Physical Therapist Do I Need?

All physical therapists are prepared through education and experience to treat groin strains. However, you may want to consider:

  • A physical therapist who is experienced in treating people with groin strains.
  • A physical therapist who focuses their practice in orthopedics or sports rehabilitation.
  • A physical therapist who is a board-certified clinical specialist or who completed a residency or fellowship in sports physical therapy. This physical therapist has advanced knowledge, experience, and skills that may apply to your condition.

You can search for physical therapists in your area who have these and other credentials by using Find a PT, the online tool built by the American Physical Therapy Association.

General tips when you're looking for a physical therapist (or any other health care provider):

  • Get recommendations from family, friends, or other health care providers.
  • When you contact a physical therapy clinic for an appointment, ask about the physical therapists' experience in helping people who have groin strains.
  • Be prepared to describe your symptoms in as much detail as possible, and describe what makes your symptoms worse.

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The American Physical Therapy Association believes that consumers should have access to information that could help them make health care decisions and also prepare them for a visit with their health care provider.

The following articles provide some of the best scientific evidence related to physical therapy treatment of groin strain. The articles report recent research and give an overview of the standards of practice both in the United States and internationally. The article titles are linked either to a PubMed* abstract of the article or to free full text, so that you can read it or print out a copy to bring with you to your health care provider.

Ellsworth AA, Zoland MP, Tyler TF. Athletic pubalgia and associated rehabilitation. Int J Sports Phys Ther. 2014;9(6):774–784. Article Summary in PubMed.

Atkins JM, Taylor JC, Kane SF. Acute and overuse injuries of the abdomen and groin in athletes. Curr Sports Med Rep. 2010;9(2):115–120. Article Summary on PubMed.

Holmich P, Larsen K, Krogsgaard K, Gluud C. Exercise program for prevention of groin pain in football players: a cluster-randomized trial. Scand J Med Sci Sports. 2010;20(6):814–821. Article Summary on PubMed.

Hureibi KA, McLatchie GR. Groin pain in athletes. Scott Med J. 2010;55(2):8–11. Article Summary on PubMed.

Engebretsen AH, Myklebust G, Holme I, et al. Prevention of injuries among male soccer players: a prospective, randomized intervention study targeting players with previous injuries or reduced function. Am J Sports Med. 2008;36(6):1052–1060. Article Summary on PubMed.

Maffey L, Emery C. What are the risk factors for groin strain injury in sport: a systematic review of the literature. Sports Med. 2007;37(10):881–894. Article Summary on PubMed.

Nicholas SJ, Tyler TF. Adductor muscle strains in sport. Sports Med. 2002;32(5):339–344. Article Summary on PubMed.

Emery CA, Meeuwisse WH. Risk factors for groin injuries in hockey. Med Sci Sports Exerc. 2001;33(9):1423–1433. Article Summary on PubMed.

Gilmore J. Groin pain in the soccer athlete: fact, fiction, and treatment. Clin Sports Med. 1998;17(4):787–793, vii. Article Summary on PubMed.

Johnson R. Ice hockey. In: Mellion MB, Walsh WM, Shelton GL, eds. The Team Physician's Handbook. 2nd ed. Philadelphia, PA: Hanley and Belfus; 1997:851. Product description is not available.

*PubMed is a free online resource developed by the National Center for Biotechnology Information (NCBI). PubMed contains millions of citations to biomedical literature, including citations in the National Library of Medicine's MEDLINE database.