A groin strain refers to a rupture or simple overstretching of one or more of the adductor muscles as a result of a sudden contraction beyond their physiological limits. The adductor muscles include the adductor brevis, adductor magnus, and adductor longus — with the adductor longus being the most frequently injured of the three.The adductors play a key role in stabilizing the pelvis and moving the legs toward the midline of the body, particularly when changing direction. This type of injury is most commonly seen in athletes, especially in sports that involve sudden changes of direction such as soccer, basketball, tennis, karate, horseback riding, and similar activities.
Muscle tears are classified into three types:
1tear small in extent, allowing full functionality.
2tear partial tear with preservation of muscle continuity.
3tear extensive or complete rupture of the muscle.
Causes of Groin Strain
Groin strains occur in the vast majority of cases during athletic activities, affecting both professional and amateur athletes. The muscle contracts suddenly beyond its physiological limit due to factors such as:
- Lack of warm-up or insufficient warm-up
- Incorrect or improper technique
- Worn-out or inappropriate equipment
- Use of unsuitable sports facilities
- Excessive strain on the muscle beyond its tolerance limit
- Sudden change of direction
- Age of the athlete (older athletes are more prone to injury)
Symptoms of Groin Strain
Groin strain is characterized by specific symptoms, which include:
- Sharp pain at the moment of injury
- Swelling in the affected area
- Local tenderness on palpation
- Reduced mobility of the joints located near the adductor muscles
Diagnosis and Treatment of Groin Strain
To diagnose a groin strain and determine its severity (grade), a thorough medical history and clinical examination by a specialist are essential. In some cases, an ultrasound scan or magnetic resonance imaging (MRI) may also be required to assess the extent of the injury.
Regarding treatment, the appropriate therapeutic approach depends on the type and grade of the strain. In general, groin strains can be managed through:
- RICE protocol (Rest, Ice, Compression, Elevation)
- Use of a splint
- Cryotherapy and thermotherapy to reduce pain and inflammation and promote tissue healing
- Kinesio taping
- Stretching exercises
- Physiotherapy program, including modalities such as therapeutic ultrasound, laser therapy, radiofrequency treatments, and kinesitherapy (therapeutic exercises)
- Pharmacological therapy
- Surgical intervention, usually indicated in severe (Grade III) strains.
The recovery period and time away from sports activities vary depending on the severity of the injury — ranging from a few days to up to 8 months in more serious cases.In all cases, early medical assessment by a specialist is strongly recommended to ensure proper diagnosis, effective treatment, and prevention of recurrence.
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