Randomized controlled trial2016

Evaluating Warm-Up Strategies for Elite Sprint Breaststroke Swimming Performance

McGowan CJ, Pyne DB, Thompson KG, Rattray B

International journal of sports physiology and performance · 5 citations

How it was studied

Design
Randomized controlled trial (indexed by PubMed)
Studied in
People
Main outcome
Health markers and function

Who paid for it

Funding
Independent funding
University or hospital
University of Canberra

Based on 1 listed funder(s).

Publication

Published
2016-01-27 · Int J Sports Physiol Perform · vol. 11 · issue 7 · pp. 975–978
Publisher
Human Kinetics
Cited
11 citations · more than 70% of similar papers · 0.5× the field average
References
0 works
Access
Open access (repository copy) · CC-BY
Research areas
Sports Performance and Training · Thermoregulation and physiological responses · Exercise and Physiological Responses
Keywords
Sprint, Time trial, Crossover study, Animal science, Core temperature, Medicine, Confidence interval, Physical therapy, Mathematics, Internal medicine, Placebo, Biology
MeSH
humans, lactic acid, body temperature, cross-over studies, skin temperature, heart rate, swimming, female, male, athletic performance, warm-up exercise

4 authors

  • Courtney J. McGowan
  • David B. Pyne
  • Kevin Thompson
  • Ben Rattray

Abstract

Purpose

Targeted passive heating and completion of dryland-based activation exercises within the warm-up can enhance sprint freestyle performance. The authors investigated if these interventions would also elicit improvements in sprint breaststroke swimming performance.

Methods

Ten national and internationally competitive swimmers (~805 FINA (Fédération internationale de natation) 2014 scoring points; 6 men, mean ± SD 20 ± 1 y; 4 women, 21 ± 3 y) completed a standardized pool warm-up (1550 m) followed by a 30-min transition phase and a 100-m breaststroke time trial. In the transition phase, 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 crossover design.

Results

Performance in the 100-m time trial (control: 68.6 ± 4.0 s, combo: 68.4 ± 3.9 s, P = .55) and start times to 15 m (control: 7.3 ± 0.6 s; combo: 7.3 ± 0.6 s; P = .81) were not different between conditions. It was unclear (P = .36) whether combo (-0.12°C ± 0.19°C [mean ± 90% confidence limits]) elicited an improvement in core temperature maintenance in the transition phase compared with control (-0.31°C ± 0.19°C). Skin temperature immediately before commencement of the time trial was higher (by ~1°C, P = .01) within combo (30.13°C ± 0.88°C [mean ± SD]) compared with control (29.11°C ± 1.20°C). Lower-body power output was not different between conditions before the time trial.

Conclusions

Targeted passive heating and completion of dryland-based activation exercises in the transition phase does not enhance sprint breaststroke performance despite eliciting elevated skin temperature immediately before time trial commencement.

Abstract via Europe PMC. Copyright remains with the authors or publisher.

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