Groin Strain

Groin strain muscles

A groin strain is a tear of an adductor muscle on the inside of the thigh. It is often referred to as a ‘pulled groin muscle’, or a ‘groin pull’ and can range from a mild to very severe. Here we explain the symptoms, causes, treatment, and exercises for a groin muscle strain.

Symptoms

Groin strain symptoms vary depending on the type and severity of your injury and include:

  • Sudden sharp pain in the groin area, or inside of your thigh. This ranges from mild discomfort, to severe pain.
  • Symptoms may be felt either in the belly of the muscle or higher up where the tendon attaches to the pelvis.
  • Often pain is felt when sprinting or changing direction quickly.
  • You may or may not be able to continue playing or training depending on how severe your injury is.

Groin strains are graded 1 to 3 depend on severity. A professional therapist will perform a number of assessment techniques to help diagnose your groin pain.

Anatomy

Adductor muscles - groin mucles

There are five groin (adductor) muscles. Three of them are called the ‘short adductors’ (pectineus, adductor brevis, and adductor longus). The other two are known as the ‘long adductors’ (gracilis and adductor Magnus).

The main function of the adductor muscle group is to pull the leg towards the midline (adduction).

They also stabilize and control your pelvis during walking and running. They are especially important in any sport which requires rapid changes in direction.

What causes Groin strains?

Although muscle strains can occur randomly there are factors which can increase the likelihood of you sustaining a groin strain. These include:

Groin strains usually occur when sprinting or changing direction quickly. Or from during rapid movements of the leg against resistance such as kicking a ball.

Overstretching the muscle such as in martial arts high kicks can also cause a torn adductor muscle. It is also likely you may have damaged more than one structure if you experience sudden onset acute groin pain(1).

Groin strain treatment

Treatment consists of immediate first aid applying the PRICE principles of protection, rest, ice, compression and elevation. Then a full groin strain rehabilitation program consisting of stretching, strengthening and sports related exercises.

Groin strain treatment cold wrap

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Cold therapy/ice

Apply a cold therapy and compression wrap as soon as possible after injury for at least the first 48 hours. This will help stop internal bleeding, reduce pain and swelling speed up the healing process.

Apply for 10 minutes every hour intially, reducing frequency as your symptoms improve.

Do not apply ice directly to the skin as it may cause ice burns.


Groin strain strapping/taping

Groin strapping

Strapping your groin can aid healing by applying compression to the area immediately after injury. This is part of the PRICE principles (protection, rest, ice, compression, and elevation).

It can also protect and support the muscles during rehabilitation and help prevent further damage to the injured muscle.

Wear a groin support

Groin strain treatment

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Wear a groin support (or strapping) in the early stages to help stop internal bleeding, reduce swelling and protect the injured muscle.

Later in the rehabilitation process groin supports and compression shorts are useful for providing support and retaining muscle heat.

Electrotherapy

Electrotherapy modalities such as ultrasound may be used to aid the healing process. Ultrasound transmits high frequency waves into the tissues providing a micro massage effect. It may also help disperse swelling.


Medication

A doctor may prescribe NSAID medication such as Ibuprofen (do not take if you have asthma) to help with pain and swelling.

NSAID’s may be more beneficial in the early acute stages, but less effective later on.


Groin strain massage

Sports massage may be beneficial once the acute stage has passed (after 72 hours) by releasing tension in the muscle and encouraging blood flow and nutrients.

Caution is advised as massaging an injury too soon may increase the bleeding and may make the injury worse.

Exercises & rehabilitation

groin strain treatment

After the initial acute stage of the injury has passed, a comprehensive groin strain rehabilitation program should begin. This is especially important to avoid recurrent Groin strains.

Exercises should always be pain-free, starting with gentle static stretches where you eases into the stretch and hold. Strengthening exercises aim to gradually increase the load through your muscles, within the limits of pain.

Before returning to full competition fitness, sports related and movement control exercises should be done.

Expert interview

Elite football physiotherapist Neal Reynolds explains Groin strain treatment.

Injuries with similar symptoms

The following injuries have similar symptoms and are sometimes missed:

Gilmore’s groin – this was first identified in 1980 by Consultant Surgeon Mr. Jerry Gilmore, as a cause of longstanding, chronic groin pain. It occurs at the junction of the leg and the torso and is common in speed/agility type sports.

Groin inflammation/tendonitis – inflammation of the adductor muscle tendons.

Not sure? Try our Symptom Checker.

References & further reading

Serner A, Tol JL, Jomaah N et al. Diagnosis of acute groin injuries: a prospective study of 110 athletes. Am J Sports Med 2015;43(8):1857–64.

Serner A, van Eijck CH, Beumer BR et al. Study quality on groin injury management remains low: a systematic review on treatment of groin pain in athletes. Br J Sports Med 2015;49(12):813.

Weir A, Brukner P, Delahunt E et al. Doha agreement meeting on terminology and definitions in groin pain in athletes. Br J Sports Med 2015;49:768–74.

Hölmich P, Uhrskou P, Ulnits L et al. Effectiveness of active physical training as treatment for long-standing adductor- related groin pain in athletes: randomised trial. Lancet 1999;353:439–43.

Groin Strain Rehabilitation Program

Our step by step Groin strain rehabilitation program takes you from initial injury to full fitness.

Recommended products

We recommend the following products to help treat Groin strains:

Cold wrap

Cold compresion wrap

A cold therapy and compression wrap is essential first aid. It reduces pain and swelling and can also be used to apply heat later in the rehabilitation program.

Resistance bands

Resistance bands

Resistance bands are important for most sports rehabilitation and enable you to exercise any muscle from the comfort of your own home.

Foam roller

A foam roller is an excellent piece of kit which can be used in place of massage to treat calf injuries. They are also excellent when use regularly as part of your warm up to help prevent future injury and improve performance.

Groin Strain Treatment and Rehabilitation

Groin support

A groin support or brace applies compression around the thigh to support and protect the muscle. They also retain body heat which stimulates blood flow, aiding the healing process.

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