In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions

Daniela Schranner, Lisa Scherer, Grant P Lynch, Svenja Korder, John R Brotherhood, Babette M Pluim, Julien D Périard, Ollie Jay

Research output: Contribution to journalArticle

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Abstract

PURPOSE: This study aimed to assess the efficacy of different in-play cooling strategies for mitigating heat strain during simulated tennis match-play activity in a hot/humid environment representing the most extreme conditions during the US Open (36°C, 50% relative humidity).

METHODS: On three occasions, nine males completed an intermittent treadmill protocol with an exercise intensity and activity profile simulating a four-set tennis match, with 90-s breaks between odd-numbered games and 120-s breaks between sets, according to International Tennis Federation rules. During breaks, 1) the currently used cooling strategy-an ice-filled damp towel around the neck and a cold-damp towel on the head and thighs (ICE); 2) wetting of arms, neck, face, and lower legs with a sponge in front of an electric fan (FANwet); or 3) no cooling (CON) were applied. Rectal (Tre) and mean skin (Tsk) temperature and HR were measured throughout. Thermal sensation and RPE were assessed during breaks. Trials were terminated upon reaching a Tre ≥ 39.5°C or volitional exhaustion.

RESULTS: Seven, five, and one participant completed FANwet, ICE, and CON, respectively. By end set 1, ΔTre was lower in FANwet (0.92°C ± 0.15°C) compared with CON (1.09°C ± 0.09°C, P = 0.01), and by end set 2, ΔTre was lower (P < 0.001) in FANwet (1.55°C ± 0.23°C) and ICE (1.59°C ± 0.17°C) compared with CON (1.99°C ± 0.19°C). Mean RPE (FANwet = 13.9 ± 2.2, ICE = 13.6 ± 1.8, CON = 16.6 ± 1.8), HR (FANwet = 163 ± 21, ICE 164 ± 22, CON = 175 ± 19 bpm), Tsk (FANwet = 36.56°C ± 0.69°C, ICE 36.12°C ± 0.44°C, CON = 37.21°C ± 0.42°C), and thermal sensation were lower in FANwet and ICE (P < 0.05) compared with CON by end set 2.

CONCLUSIONS: The currently recommended ICE strategy successfully mitigates thermal strain during simulated tennis match play in hot/humid conditions. The FANwet intervention is an equally effective alternative that may be more practical in limited resource settings.

Original languageEnglish
Pages (from-to)991-998
Number of pages8
JournalMedicine and Science in Sports and Exercise
Volume49
Issue number5
DOIs
Publication statusPublished - May 2017
Externally publishedYes

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Tennis
Hot Temperature
Neck
Skin Temperature
Ice
Porifera
Thigh
Humidity
Leg
Arm
Head

Cite this

Schranner, D., Scherer, L., Lynch, G. P., Korder, S., Brotherhood, J. R., Pluim, B. M., ... Jay, O. (2017). In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions. Medicine and Science in Sports and Exercise, 49(5), 991-998. https://doi.org/10.1249/MSS.0000000000001183
Schranner, Daniela ; Scherer, Lisa ; Lynch, Grant P ; Korder, Svenja ; Brotherhood, John R ; Pluim, Babette M ; Périard, Julien D ; Jay, Ollie. / In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions. In: Medicine and Science in Sports and Exercise. 2017 ; Vol. 49, No. 5. pp. 991-998.
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Schranner, D, Scherer, L, Lynch, GP, Korder, S, Brotherhood, JR, Pluim, BM, Périard, JD & Jay, O 2017, 'In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions', Medicine and Science in Sports and Exercise, vol. 49, no. 5, pp. 991-998. https://doi.org/10.1249/MSS.0000000000001183

In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions. / Schranner, Daniela; Scherer, Lisa; Lynch, Grant P; Korder, Svenja; Brotherhood, John R; Pluim, Babette M; Périard, Julien D; Jay, Ollie.

In: Medicine and Science in Sports and Exercise, Vol. 49, No. 5, 05.2017, p. 991-998.

Research output: Contribution to journalArticle

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T1 - In-Play Cooling Interventions for Simulated Match-Play Tennis in Hot/Humid Conditions

AU - Schranner, Daniela

AU - Scherer, Lisa

AU - Lynch, Grant P

AU - Korder, Svenja

AU - Brotherhood, John R

AU - Pluim, Babette M

AU - Périard, Julien D

AU - Jay, Ollie

PY - 2017/5

Y1 - 2017/5

N2 - PURPOSE: This study aimed to assess the efficacy of different in-play cooling strategies for mitigating heat strain during simulated tennis match-play activity in a hot/humid environment representing the most extreme conditions during the US Open (36°C, 50% relative humidity).METHODS: On three occasions, nine males completed an intermittent treadmill protocol with an exercise intensity and activity profile simulating a four-set tennis match, with 90-s breaks between odd-numbered games and 120-s breaks between sets, according to International Tennis Federation rules. During breaks, 1) the currently used cooling strategy-an ice-filled damp towel around the neck and a cold-damp towel on the head and thighs (ICE); 2) wetting of arms, neck, face, and lower legs with a sponge in front of an electric fan (FANwet); or 3) no cooling (CON) were applied. Rectal (Tre) and mean skin (Tsk) temperature and HR were measured throughout. Thermal sensation and RPE were assessed during breaks. Trials were terminated upon reaching a Tre ≥ 39.5°C or volitional exhaustion.RESULTS: Seven, five, and one participant completed FANwet, ICE, and CON, respectively. By end set 1, ΔTre was lower in FANwet (0.92°C ± 0.15°C) compared with CON (1.09°C ± 0.09°C, P = 0.01), and by end set 2, ΔTre was lower (P < 0.001) in FANwet (1.55°C ± 0.23°C) and ICE (1.59°C ± 0.17°C) compared with CON (1.99°C ± 0.19°C). Mean RPE (FANwet = 13.9 ± 2.2, ICE = 13.6 ± 1.8, CON = 16.6 ± 1.8), HR (FANwet = 163 ± 21, ICE 164 ± 22, CON = 175 ± 19 bpm), Tsk (FANwet = 36.56°C ± 0.69°C, ICE 36.12°C ± 0.44°C, CON = 37.21°C ± 0.42°C), and thermal sensation were lower in FANwet and ICE (P < 0.05) compared with CON by end set 2.CONCLUSIONS: The currently recommended ICE strategy successfully mitigates thermal strain during simulated tennis match play in hot/humid conditions. The FANwet intervention is an equally effective alternative that may be more practical in limited resource settings.

AB - PURPOSE: This study aimed to assess the efficacy of different in-play cooling strategies for mitigating heat strain during simulated tennis match-play activity in a hot/humid environment representing the most extreme conditions during the US Open (36°C, 50% relative humidity).METHODS: On three occasions, nine males completed an intermittent treadmill protocol with an exercise intensity and activity profile simulating a four-set tennis match, with 90-s breaks between odd-numbered games and 120-s breaks between sets, according to International Tennis Federation rules. During breaks, 1) the currently used cooling strategy-an ice-filled damp towel around the neck and a cold-damp towel on the head and thighs (ICE); 2) wetting of arms, neck, face, and lower legs with a sponge in front of an electric fan (FANwet); or 3) no cooling (CON) were applied. Rectal (Tre) and mean skin (Tsk) temperature and HR were measured throughout. Thermal sensation and RPE were assessed during breaks. Trials were terminated upon reaching a Tre ≥ 39.5°C or volitional exhaustion.RESULTS: Seven, five, and one participant completed FANwet, ICE, and CON, respectively. By end set 1, ΔTre was lower in FANwet (0.92°C ± 0.15°C) compared with CON (1.09°C ± 0.09°C, P = 0.01), and by end set 2, ΔTre was lower (P < 0.001) in FANwet (1.55°C ± 0.23°C) and ICE (1.59°C ± 0.17°C) compared with CON (1.99°C ± 0.19°C). Mean RPE (FANwet = 13.9 ± 2.2, ICE = 13.6 ± 1.8, CON = 16.6 ± 1.8), HR (FANwet = 163 ± 21, ICE 164 ± 22, CON = 175 ± 19 bpm), Tsk (FANwet = 36.56°C ± 0.69°C, ICE 36.12°C ± 0.44°C, CON = 37.21°C ± 0.42°C), and thermal sensation were lower in FANwet and ICE (P < 0.05) compared with CON by end set 2.CONCLUSIONS: The currently recommended ICE strategy successfully mitigates thermal strain during simulated tennis match play in hot/humid conditions. The FANwet intervention is an equally effective alternative that may be more practical in limited resource settings.

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