Influence of post-warm-up recovery time on swim performance in international swimmers

D.J. West, B.M. Dietzig, R.M. Bracken, D.J. Cunningham, B.T. Crewther, C.J. Cook, L.P. Kilduff

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Objectives: Swimmers must enter a marshalling call-room 20 min prior to racing, which results in some swimmers completing their warm-up 45 min pre-race. Since a recovery period longer than 15-20 min may prove problematic, this study examined 200 m freestyle performance after a 20 and 45 min post-warm-up recovery period.

Design: Eight international swimmers completed this randomised and counter-balanced study.

Methods: After a standardised warm-up, swimmers rested for either 20 (20 min) or 45 min (45 min) prior to completing a 200 m freestyle time-trial (TT). Core temperature (T core), blood lactate (BL), heart rate and rate of perceived exertion (RPE) were recorded at baseline, post-warm-up, pre-TT, immediately post-TT and at 3 min post-TT.

Results: T core was similar after the warm-up under both conditions, however, at pre-TT T core was greater under 20 min (mean ± SD; 20 min 37.8 ± 0.2 vs. 45 min 37.5 ± 0.2 °C; P = 0.002). BL was similar between conditions at all-time points before the TT (P > 0.05). Swimmers demonstrated a 1.5 ± 1.1% improvement in performance under 20 min (20 min 125.74 ± 3.64 vs. 45 min 127.60 ± 3.55 s; P = 0.01). T core was similar between conditions at immediately post-TT and 3 min post-TT (P > 0.05), however, BL was higher at these time points under 20 min (P < 0.05). Heart rate and RPE were similar between conditions at all-time points (P > 0.05).

Conclusions: 200 m freestyle performance is faster 20 min post-warm-up when compared to 45 min probably due to better T core maintenance. This has implications for swim race preparation as warm-up procedures should be completed close to entering the pre-race call room, in order to maintain elevated core temperature.
Original languageEnglish
Pages (from-to)172-176
Number of pages5
JournalJournal of Science and Medicine in Sport
Volume16
Issue number2
DOIs
Publication statusPublished - Mar 2013

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Lactic Acid
Heart Rate
Temperature
Maintenance
carbosulfan

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West, D. J., Dietzig, B. M., Bracken, R. M., Cunningham, D. J., Crewther, B. T., Cook, C. J., & Kilduff, L. P. (2013). Influence of post-warm-up recovery time on swim performance in international swimmers. Journal of Science and Medicine in Sport, 16(2), 172-176. https://doi.org/10.1016/j.jsams.2012.06.002

Influence of post-warm-up recovery time on swim performance in international swimmers. / West, D.J.; Dietzig, B.M.; Bracken, R.M.; Cunningham, D.J.; Crewther, B.T.; Cook, C.J.; Kilduff, L.P.

In: Journal of Science and Medicine in Sport, Vol. 16, No. 2, 03.2013, p. 172-176.

Research output: Contribution to journalArticle

West, DJ, Dietzig, BM, Bracken, RM, Cunningham, DJ, Crewther, BT, Cook, CJ & Kilduff, LP 2013, 'Influence of post-warm-up recovery time on swim performance in international swimmers', Journal of Science and Medicine in Sport, vol. 16, no. 2, pp. 172-176. https://doi.org/10.1016/j.jsams.2012.06.002
West, D.J. ; Dietzig, B.M. ; Bracken, R.M. ; Cunningham, D.J. ; Crewther, B.T. ; Cook, C.J. ; Kilduff, L.P. / Influence of post-warm-up recovery time on swim performance in international swimmers. In: Journal of Science and Medicine in Sport. 2013 ; Vol. 16, No. 2. pp. 172-176.
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abstract = "Objectives: Swimmers must enter a marshalling call-room 20 min prior to racing, which results in some swimmers completing their warm-up 45 min pre-race. Since a recovery period longer than 15-20 min may prove problematic, this study examined 200 m freestyle performance after a 20 and 45 min post-warm-up recovery period. Design: Eight international swimmers completed this randomised and counter-balanced study. Methods: After a standardised warm-up, swimmers rested for either 20 (20 min) or 45 min (45 min) prior to completing a 200 m freestyle time-trial (TT). Core temperature (T core), blood lactate (BL), heart rate and rate of perceived exertion (RPE) were recorded at baseline, post-warm-up, pre-TT, immediately post-TT and at 3 min post-TT. Results: T core was similar after the warm-up under both conditions, however, at pre-TT T core was greater under 20 min (mean ± SD; 20 min 37.8 ± 0.2 vs. 45 min 37.5 ± 0.2 °C; P = 0.002). BL was similar between conditions at all-time points before the TT (P > 0.05). Swimmers demonstrated a 1.5 ± 1.1{\%} improvement in performance under 20 min (20 min 125.74 ± 3.64 vs. 45 min 127.60 ± 3.55 s; P = 0.01). T core was similar between conditions at immediately post-TT and 3 min post-TT (P > 0.05), however, BL was higher at these time points under 20 min (P < 0.05). Heart rate and RPE were similar between conditions at all-time points (P > 0.05). Conclusions: 200 m freestyle performance is faster 20 min post-warm-up when compared to 45 min probably due to better T core maintenance. This has implications for swim race preparation as warm-up procedures should be completed close to entering the pre-race call room, in order to maintain elevated core temperature.",
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