Targeted passive heating and completion of dryland-based activation exercises within the warm-up can enhance sprint freestyle performance. We investigated if these interventions would also elicit improvements in sprint breaststroke swimming performance.
Ten national and internationally competitive swimmers (~805 FINA2014 scoring points; 6 male, 20 ± 1 yr; 4 female, 21 ± 3 yr) completed a standardized pool warm-up (1550 m) followed by a 30 min transition and a 100 m breaststroke time-trial. Within transition, swimmers wore a conventional tracksuit and remained seated (Control) or wore tracksuit pants with integrated heating elements and performed a 5 min dryland-based exercise routine (Combo) in a cross-over design.
100 m time-trial performance (Control: 68.6 ± 4.0 s; mean ± SD; Combo: 68.4 ± 3.9 s; P = 0.55) and start times to 15 m (Control: 7.3 ± 0.6 s; Combo: 7.3 ± 0.6 s; P = 0.81) were not different between conditions. It was unclear (P = 0.36) whether Combo (-0.12 ± 0.19ºC; mean ± 90% confidence limits) elicited an improvement in core temperature maintenance within transition compared to Control (-0.31 ± 0.19ºC). Skin temperature immediately prior to time-trial commencement was higher (by ~1ºC, P = 0.01) within Combo (30.13 ± 0.88 ºC; mean ± SD) compared to Control (29.11 ± 1.20 ºC). Lower-body power output was not different between conditions pre time-trial.
Targeted passive heating and completion of dryland-based activation exercises within transition does not enhance sprint breaststroke performance despite eliciting elevated skin temperature immediately prior to time-trial commencement.
This research output has an Altmetric Attention Score of 8. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 September 2016.
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