Background: The purpose of the present investigation was to evaluate the immediate effect of running a marathon on Achilles tendon anteroposterior thickness. Methods: In 25 runners who took part in the London marathon, ultrasonography was used to measure the Achilles tendon thickness pre- and immediately post-marathon and to identify any structural abnormalities indicating tendinopathy. Pain was recorded using a numerical rating scale at baseline and post-marathon. Twenty-one participants were included in the final analysis. Results: Running a marathon resulted in a significant decrease (− 13%, p < 0.01) in anteroposterior diameter of the Achilles tendon immediately following the marathon. There was no change in the proportion of Achilles tendons with structural abnormalities (34%) or pain (12%) following the marathon (p > 0.05). Conclusion: Running a marathon resulted in an immediate reduction in anteroposterior diameter of the Achilles tendon. This finding may have implications for injury prevention and recovery following a marathon.
CITATION STYLE
Scott, I., Malliaras, P., Tardioli, A., Hales, S., Morrissey, D., Migliorini, F., & Maffulli, N. (2022). Achilles tendon thickness reduces immediately after a marathon. Journal of Orthopaedic Surgery and Research, 17(1). https://doi.org/10.1186/s13018-022-03448-z
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