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Computed tomography of hamstring muscle strains.

W E Garrett1, F R Rich, P K Nikolaou

  • 1Division of Orthopaedic Surgery, Duke University Medical Center, Durham, NC 27710.

Medicine and Science in Sports and Exercise
|October 1, 1989
PubMed
Summary

Computed tomography (CT) revealed acute hamstring strains in college athletes primarily show inflammation and edema, not bleeding. These injuries commonly affect the proximal and lateral hamstring, especially the biceps femoris.

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Area of Science:

  • Sports medicine
  • Radiology
  • Musculoskeletal imaging

Background:

  • Hamstring muscle strains are frequent injuries in athletes.
  • Previous assumptions suggested bleeding is the primary component of acute strains.
  • Computed tomography (CT) offers detailed visualization of soft tissue injuries.

Observation:

  • Ten college athletes with acute hamstring strains were examined using CT.
  • The study aimed to pinpoint the location and characteristics of these injuries.
  • CT scans were performed 1-2 days post-injury.

Findings:

  • Acute hamstring strains presented as hypodense areas within the muscle on CT scans.
  • The primary pathological component identified was inflammation and edema, challenging the notion of significant bleeding.

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  • Injuries were most prevalent in the proximal and lateral aspects of the hamstring group, with a notable predilection for the biceps femoris muscle.

    • Implications:

    • Findings suggest that early management of hamstring strains should focus on reducing inflammation and edema.
    • This study refines our understanding of the pathophysiology of acute hamstring injuries.
    • CT imaging provides valuable diagnostic information for characterizing hamstring strains in athletes.