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Muscle rupture in the posterior thigh


Diagnosis: MUSCLE RUPTURE IN THE POSTERIOR THIGH
(RUPTURA MUSCULI)

Anatomy:
A rupture can in principle occur to all muscles in the rear of the thigh, however, ruptures most often happen in the large posterior muscles in the centre of the thigh (M biceps femoris, M semitendinosus, M semimembranosus) which have the function of stretching the hip and flexing the knee.




  1. M. biceps femoris (caput longum)

  2. M. semitendinosus

  3. Caput breve m. bicipitis femoris

  4. M. plantaris

  5. Tendo m. bicipitis femoris

  6. M. gastrocnemius

  7. M. sartorius

  8. M. gracilis

  9. M. semimembranosus

THIGH FROM THE REAR

Cause: When one of the posterior thigh muscles is subjected to a load beyond the strength of the muscle (typically sprinting), a rupture occurs. The vast majority of ruptures are partial muscle ruptures. Muscle ruptures in children and adolescents are relatively rare compared with adults.

Symptoms: In slight cases a local tenderness is felt after being subjected to load (“sprained muscle”, “imminent pulled muscle”). In severe cases sudden shooting pains are felt in the muscle (“partial muscle rupture”, “pulled muscle”) and in the worst case a sudden snap is felt rendering the muscle unusable (“total muscle rupture”). The following three symptoms are characteristic in connection with muscle injuries: pain upon applying pressure, stretching and activation of the muscle (flexing knee) against resistance. With total ruptures a defect can often be seen and felt in the muscle, and above and below the rupture a swelling can be felt (the contracted muscle belly and bleeding). The most frequent place for partial ruptures on the posterior thigh is the large posterior muscles in the centre of the thigh (M biceps femoris, M semitendinosus, M semimembranosus) which have the function of stretching the hip and flexing the knee.

Acute treatment: Click here.


Examination: In very slight cases with only minimal tenderness and no discomfort when walking normally, medical examination is not necessarily required. The severity of the tenderness is however, not always a measure of the extent of the injury. In cases of more pronounced tenderness or pain, medical examination is required to ensure the diagnosis and treatment. The diagnosis is usually made following normal medical examination, however, if there is any doubt concerning the diagnosis, ultrasound scanning (or MRI scanning) can be performed, as these are the most suitable examinations to ensure the diagnosis (Ultrasonic image). The larger the bleeding as assessed by ultrasound scanning, the longer the period needed to heal the injury (article).

Treatment: The treatment of the vast majority of muscle injuries today involves relief and rehabilitation. It is only in very rare cases that surgery is indicated Even large ruptures in the thigh muscles will usually be able to be healed and rehabilitated without giving functional disorder (but often cosmetic disfigurement with an irregular thigh muscle).

Rehabilitation of children and adolescents: INSTRUCTION
Complications: If steady progress is not experienced, you should be medically (re)examined to ensure that the diagnosis is correct or whether complications for muscle ruptures have arisen.
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