ArticleBMC sports science, medicine & rehabilitation2026
Acute kinematic changes following low-intensity tethered swimming as a constraints-led priming strategy in competitive swimmers.
Article in BMC sports science, medicine & rehabilitation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07554248 (Effect of Low-Intensity Technical Tethered Swimming Training on Front Crawl Kinematics in Adolescent Swimmers), which is not on this map. Not yet cited in PubMed.
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The trial behind it
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Effect of Low-Intensity Technical Tethered Swimming Training on Front Crawl Kinematics in Adolescent Swimmers
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundTraditional pre-activation protocols, such as post-activation performance enhancement, often rely on high-intensity stimuli, which may induce peripheral fatigue and impair fine motor control. This may be particularly problematic in swimming, where technical precision is critical. Therefore, this study examined the acute effects of low-intensity technical tethered swimming (LITTS) as a constraints-led pre-activation strategy.
methodsThirty-two adolescent competitive swimmers (mean age 13.2 ± 0.6 years) completed two pre-activation conditions on separate testing days: LITTS and a non-tethered swimming condition. Approximately 90 s following the intervention (for equipment setup), participants performed a maximal 50-m front-crawl trial. Acute technical changes were assessed using triaxial accelerometry-derived kinematic variables. Statistical comparisons were performed between conditions and pre-post responses.
resultsFollowing LITTS, significant post-intervention changes in swimming kinematics were observed. In particular, stroke length significantly improved following LITTS (F(1,29) = 47.09, p = 0.001, η
conclusionsLITTS may be an effective low-fatigue proprioceptive priming strategy in adolescent swimmers. The findings suggest that this approach may acutely improve selected swimming kinematics and short-distance swimming performance, offering a technically oriented alternative to traditional high-intensity priming protocols.
trial registrationClinicalTrials.gov, NCT07554248. Registered 17.04.2026 (retrospectively registered). https://clinicaltrials.gov/study/NCT07554248.
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