Heat stress incidence and matchplay characteristics in Women's Grand Slam Tennis

Smith, MT; Reid, M; Kovalchik, S; Wood, T; Duffield, R

Heat stress incidence and matchplay characteristics in Women's Grand Slam Tennis

Smith, MT Reid, M Kovalchik, S Wood, T Duffield, R

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Publication Type:: Journal Article
Citation:: Journal of Science and Medicine in Sport, 2018, 21 (7), pp. 666 - 670
Issue Date:: 2018-07-01

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Field	Value	Language
dc.contributor.author	Smith, MT	en_US
dc.contributor.author	Reid, M	en_US
dc.contributor.author	Kovalchik, S	en_US
dc.contributor.author	Wood, T	en_US
dc.contributor.author	Duffield, R https://orcid.org/0000-0002-5641-1314	en_US
dc.date.available	2020-07-31T19:17:14Z
dc.date.issued	2018-07-01	en_US
dc.identifier.citation	Journal of Science and Medicine in Sport, 2018, 21 (7), pp. 666 - 670	en_US
dc.identifier.issn	1440-2440	en_US
dc.identifier.uri	http://hdl.handle.net/10453/129210
dc.description.abstract	© 2018 Sports Medicine Australia Objectives: To explore the relationship of wet bulb globe temperature (WBGT) on heat-related incidents and alterations in matchplay and behavioural characteristics in women's tennis at the Australian Open. Design: From 360 main draw Australian Open women's matches (2014-2016), data describing on-court calls for trainers, doctors, cooling devices and water, post match medical consults and matchplay characteristics were collated. Methods: Data were referenced against estimated WBGT and categorised into standard zones (zone 5: >32.3 °C, zone 4: 30.1–32.2 °C, zone 3: 27.9–30 °C, zone 2: 22.3–27.9 °C, zone 1: <22.2 °C). Generalized linear models assessed the association of WBGT zone on heat-related medical incidences, court call-outs and match characteristics. Results: With an increased estimated WBGT zone, there was an increase in total trainer calls (+19.5%/zone; p = 0.019), total doctor calls (+54.1%; p < 0.001), total calls for heat related incidents (+55.9%; p < 0.001), and cooling devices (+31.4%; p < 0.001) calculated from the regression slope. When match characteristics were adjusted for match quality, significant decreases (p < 0.001) in the number of winners and net approaches and increase in double faults were associated with increased estimated WBGT zone. Conclusions: An association between higher estimated WBGT and medical callouts (heat and non-heat related) was evident, with an increased call rate >32 °C WBGT, despite no heat-related retirements. As estimated WBGT increased, the number of winners and net approaches were reduced, while double faults increased, particularly >30 °C WBGT. Accordingly, the manner in which female players manage and play in the heat during women's Grand Slam tennis appears to change at ≈30 °C WBGT.	en_US
dc.relation.ispartof	Journal of Science and Medicine in Sport	en_US
dc.relation.isbasedon	10.1016/j.jsams.2017.11.006	en_US
dc.subject.classification	Sport Sciences	en_US
dc.subject.mesh	Humans	en_US
dc.subject.mesh	Heat Stress Disorders	en_US
dc.subject.mesh	Incidence	en_US
dc.subject.mesh	Linear Models	en_US
dc.subject.mesh	Tennis	en_US
dc.subject.mesh	Adult	en_US
dc.subject.mesh	Australia	en_US
dc.subject.mesh	Female	en_US
dc.subject.mesh	Athletic Performance	en_US
dc.subject.mesh	Hot Temperature	en_US
dc.subject.mesh	Young Adult	en_US
dc.title	Heat stress incidence and matchplay characteristics in Women's Grand Slam Tennis	en_US
dc.type	Journal Article
utslib.citation.volume	7	en_US
utslib.citation.volume	21	en_US
utslib.for	1106 Human Movement and Sports Sciences	en_US
utslib.for	1116 Medical Physiology	en_US
utslib.for	1117 Public Health and Health Services	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Health
pubs.organisational-group	/University of Technology Sydney/Faculty of Health/Sports and Exercise Science
pubs.organisational-group	/University of Technology Sydney/Strength - CHSP - Health Services and Practice
pubs.organisational-group	/University of Technology Sydney/Students
utslib.copyright.status	open_access	*
pubs.issue	7	en_US
pubs.publication-status	Published	en_US
pubs.volume	21	en_US

Abstract:

© 2018 Sports Medicine Australia Objectives: To explore the relationship of wet bulb globe temperature (WBGT) on heat-related incidents and alterations in matchplay and behavioural characteristics in women's tennis at the Australian Open. Design: From 360 main draw Australian Open women's matches (2014-2016), data describing on-court calls for trainers, doctors, cooling devices and water, post match medical consults and matchplay characteristics were collated. Methods: Data were referenced against estimated WBGT and categorised into standard zones (zone 5: >32.3 °C, zone 4: 30.1–32.2 °C, zone 3: 27.9–30 °C, zone 2: 22.3–27.9 °C, zone 1: <22.2 °C). Generalized linear models assessed the association of WBGT zone on heat-related medical incidences, court call-outs and match characteristics. Results: With an increased estimated WBGT zone, there was an increase in total trainer calls (+19.5%/zone; p = 0.019), total doctor calls (+54.1%; p < 0.001), total calls for heat related incidents (+55.9%; p < 0.001), and cooling devices (+31.4%; p < 0.001) calculated from the regression slope. When match characteristics were adjusted for match quality, significant decreases (p < 0.001) in the number of winners and net approaches and increase in double faults were associated with increased estimated WBGT zone. Conclusions: An association between higher estimated WBGT and medical callouts (heat and non-heat related) was evident, with an increased call rate >32 °C WBGT, despite no heat-related retirements. As estimated WBGT increased, the number of winners and net approaches were reduced, while double faults increased, particularly >30 °C WBGT. Accordingly, the manner in which female players manage and play in the heat during women's Grand Slam tennis appears to change at ≈30 °C WBGT.

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http://hdl.handle.net/10453/129210