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Adductor injury.

The adductors are a group of muscles located on the inside of the thigh. They are responsible for adduction, that is, the movement of the thigh from the inside to the outside and vice versa, thanks to which we can cross one leg over the other. Another function of the adductors is the stabilization of the pelvis, thus keeping the body in an upright posture.

Most likely causes of adductor injury

  • Adductor muscle overload due to overtraining, slippery terrain, alpine running or lateral movements, as occurs in tennis, paddle tennis, basketball and rugby, among others.
  • Excessive repetition of the forced stride.
  • Training on slopes and stairs.
  • Strain due to sudden opening of the lower limb.
  • Fibre ruptures.
  • Decompensation between the adductor and rectus abdominis muscle groups.
  • Sudden changes of direction.
  • Anatomical decompensation of the lower extremity.

Symptoms of adductor injury

Symptoms of adductor injury vary depending on the degree of muscle injury (see muscle injury entry).

  • In general, the patient usually manifests acute pain, especially in the movement of contraction and relaxation of the muscle, and can also radiate to other areas of the leg, such as the groin.
  • On the other hand, the pain is very characteristic in a particular point of the pubic bone, where the muscle originates.
  • A very clear symptom is that the pain increases greatly when you press your legs inwards with resistance (the example in the picture would be a good one, although it is better to do it lying down and with both legs at the same time).
  • The distance between the origins of the adductor medius and the abdominals is smaller than normal.
  • In some cases, the patient may have swelling in the area or bruising, depending on the degree of muscle injury already referred to in the previous post. Usually, immobility or stiffness in the leg affected by the torn fibers is common.

Eevelopment of the abductor injury

Once the rupture of the muscle fibers occurs, the patient goes through a series of phases, each of which has different symptomatological characteristics:

Phase 0, are the almost immediate reactions that the body performs after the injury, the symptoms are:

  • Bleeding or hemorrhaging
  • Inflammation
  • Feeling of heat
  • Redness
  • Dysfunctionality in movement execution

Phase 1, symptoms that appear between the first and third day of the injury. These are as follows:

  • Inflammation
  • Vasodilation
  • Secretion of growth factors
  • Creation of a white scar

Phase 2, reactions that appear between the second and twenty-first day after the injury.

  • Recovery of the injured area begins
  • New fibrous and muscle tissue begins to form
  • Blood vessels begin to form

Phase 3, are the reactions that appear on the tenth day.

  • The muscle begins to give readaptation responses, with the intention of performing its function again.
  • Excessive fibrosis may occur

Diagnosis

Although the symptoms and discomfort described by the patient in the anamnesis and physical examination provide important information that can guide the health professional to establish the diagnosis. It can only be established that this lesion is present, with the help of imaging studies such as ultrasound or MRI. In the case of ultrasound or ultrasound, the study, besides being used to identify the area and extent of the injury, serves to evaluate periodically during recovery. Imaging obtained with these studies can also help evaluate other causes of pain, such as those mentioned in the differential diagnosis.

Treatment

Treatments so far include conservative therapy based on a combination of sports rest, use of ice on the affected region, administration of non-steroidal anti-inflammatory drugs along with physiotherapy exercises. However, in recent years, the therapeutic approach has focused on the different phases of the aforementioned lesion and aims at the use of inflammation modulators that respect the biological timing of the inflammatory process itself and contribute to tissue regeneration mechanisms.

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