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Related Experiment Videos

Is vascularity more evident after exercise? Implications for tendon imaging.

Jill L Cook1, Z Stephen Kiss, Ron Ptasznik

  • 1Musculoskeletal Research Centre, La Trobe University, Melbourne, Victoria 3086, Australia. j.cook@latrobe.edu.au

AJR. American Journal of Roentgenology
|October 26, 2005
PubMed
Summary

Physical activity significantly boosts tendon vascularity in abnormal patellar tendons. Imaging these tendons with color Doppler sonography after exercise may improve detection of neovascularization.

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Area of Science:

  • Musculoskeletal imaging
  • Sports medicine
  • Tendinopathy research

Background:

  • Abnormal patellar tendons often exhibit altered vascularity.
  • Neovascularization is a hallmark of chronic tendinopathies.
  • The impact of physical activity on tendon vascularity requires further elucidation.

Purpose of the Study:

  • To investigate the effect of physical activity on vascularity in abnormal patellar tendons.
  • To determine if exercise enhances detectable neovascularization in these tendons.

Main Methods:

  • Study included 17 patients with abnormal patellar tendons.
  • Color Doppler sonography was used to assess tendon vascularity.
  • Vascularity was evaluated in relation to patient activity levels.

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Main Results:

  • Tendon vascularity was significantly increased by physical activity (p < 0.001).
  • Exercise demonstrably enhanced the detection of neovascularization in abnormal patellar tendons.

Conclusions:

  • Physical activity significantly increases tendon vascularity.
  • Color Doppler sonography for neovascularization may be most effective after patient exercise.
  • Further research is needed to establish optimal activity levels for maximal Doppler detection.