Achilles tendon thickness reduces immediately after a marathon.

Authors :: Scott I
Malliaras P
Tardioli A
Hales S
Morrissey D
Migliorini F
Maffulli N
Source :: Journal of orthopaedic surgery and research [J Orthop Surg Res] 2022 Dec 23; Vol. 17 (1), pp. 562. Date of Electronic Publication: 2022 Dec 23.
Publication Year :: 2022
Abstract: Background: The purpose of the present investigation was to evaluate the immediate effect of running a marathon on Achilles tendon anteroposterior thickness.<br />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.<br />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).<br />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.<br /> (© 2022. The Author(s).)