(English) Episode 282-Triple your flexibility with eccentric training

This research article investigates whether eccentric muscle contractions serve as a more effective tool for increasing joint range of motion compared to traditional static stretching. By analyzing eighteen participants, the study demonstrates that eccentric exercises provide nearly three times the acute flexibility gains of stretching while uniquely reducing Achilles tendon stiffness. The authors highlight that these improvements are driven by a combination of mechanical tissue changes and increased stretch tolerance, rather than neurological muscle activity. Data also reveals a significant carry-over effect, where just two sessions of eccentric movement produce lasting flexibility improvements measured days later. Ultimately, the source suggests that eccentric training offers a more potent and efficient stimulus for both athletic performance and clinical rehabilitation than common stretching practices.(Kay AD, Baross AW, Baxter BA, Blazevich AJ. Within-session dose-response and between-session carry-over effects of eccentric contractions versus static stretches on range of motion and muscle-tendon mechanics. Eur J Appl Physiol [Internet]. 2026;126(2):1079–95. Available from: http://dx.doi.org/10.1007/s00421-025-05979-9)