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Effect of acute heat exposure on the determination of critical power and W’ in women and men

Gil Bourgois (UGent) , Patrick Mucci, Kevin Caen (UGent) , Alessandro Colosio (UGent) , Manon Kerckhove (UGent) , Jan Bourgois (UGent) , Silvia Pogliaghi (UGent) and Jan Boone (UGent)
(2023) EUROPEAN JOURNAL OF SPORT SCIENCE. 23(12). p.2425-2434
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Abstract
The goal of this study was to investigate to what extent acute heat exposure would affect the parameters of the power-duration relationship, i.e. CP and W & PRIME;, using multiple constant workload tests to task failure, in women and men. Twenty four young physically active participants (12 men, 12 women) performed 3-5 constant load tests to determine CP and W & PRIME;, both in temperate (TEMP; 18 & DEG;C) and hot (HOT; 36 & DEG;C) environmental conditions. A repeated-measures ANOVA was executed to find differences between TEMP and HOT, and between women and men. In HOT, CP was reduced by 6.5% (227 & PLUSMN; 50 vs. 212 & PLUSMN; 47 W), while W & PRIME; increased 12.4% (16.4 & PLUSMN; 4.4 vs. 18.5 & PLUSMN; 5.6 kJ). No significant two-way sex x temperature interactions were observed, indicating that the environmental conditions did not have a different effect in men compared with women. The intersection of the average curvatures in TEMP and HOT occurred at 137 s and 280 W in women, and 153 s and 397 W in men. Acute heat exposure had an impact on the parameters CP and W & PRIME;, i.e. CP decreased whereas W & PRIME; increased. The increase in W & PRIME; might be a consequence of the mathematical modelling for the used test methodology, rather than a physiological accurate value of W & PRIME; in HOT. No differences induced by heat exposure were observed between women and men.
Keywords
Orthopedics and Sports Medicine, Physical Therapy, Sports Therapy and Rehabilitation, General Medicine, threshold>, temperature, sex, power-duration relationship, Constant workload, threshold, EXERCISE, PERFORMANCE, HYPERTHERMIA, HOT, METABOLISM, CAPACITY, FATIGUE, STRESS, FEMALE, TIME

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Citation

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MLA
Bourgois, Gil, et al. “Effect of Acute Heat Exposure on the Determination of Critical Power and W’ in Women and Men.” EUROPEAN JOURNAL OF SPORT SCIENCE, vol. 23, no. 12, Informa UK Limited, 2023, pp. 2425–34, doi:10.1080/17461391.2023.2240748.
APA
Bourgois, G., Mucci, P., Caen, K., Colosio, A., Kerckhove, M., Bourgois, J., … Boone, J. (2023). Effect of acute heat exposure on the determination of critical power and W’ in women and men. EUROPEAN JOURNAL OF SPORT SCIENCE, 23(12), 2425–2434. https://doi.org/10.1080/17461391.2023.2240748
Chicago author-date
Bourgois, Gil, Patrick Mucci, Kevin Caen, Alessandro Colosio, Manon Kerckhove, Jan Bourgois, Silvia Pogliaghi, and Jan Boone. 2023. “Effect of Acute Heat Exposure on the Determination of Critical Power and W’ in Women and Men.” EUROPEAN JOURNAL OF SPORT SCIENCE 23 (12): 2425–34. https://doi.org/10.1080/17461391.2023.2240748.
Chicago author-date (all authors)
Bourgois, Gil, Patrick Mucci, Kevin Caen, Alessandro Colosio, Manon Kerckhove, Jan Bourgois, Silvia Pogliaghi, and Jan Boone. 2023. “Effect of Acute Heat Exposure on the Determination of Critical Power and W’ in Women and Men.” EUROPEAN JOURNAL OF SPORT SCIENCE 23 (12): 2425–2434. doi:10.1080/17461391.2023.2240748.
Vancouver
1.
Bourgois G, Mucci P, Caen K, Colosio A, Kerckhove M, Bourgois J, et al. Effect of acute heat exposure on the determination of critical power and W’ in women and men. EUROPEAN JOURNAL OF SPORT SCIENCE. 2023;23(12):2425–34.
IEEE
[1]
G. Bourgois et al., “Effect of acute heat exposure on the determination of critical power and W’ in women and men,” EUROPEAN JOURNAL OF SPORT SCIENCE, vol. 23, no. 12, pp. 2425–2434, 2023.
@article{01H6ZQR1ZYHCX62554476ESMJM,
  abstract     = {{The goal of this study was to investigate to what extent acute heat exposure would affect the parameters of the power-duration relationship, i.e. CP and W & PRIME;, using multiple constant workload tests to task failure, in women and men. Twenty four young physically active participants (12 men, 12 women) performed 3-5 constant load tests to determine CP and W & PRIME;, both in temperate (TEMP; 18 & DEG;C) and hot (HOT; 36 & DEG;C) environmental conditions. A repeated-measures ANOVA was executed to find differences between TEMP and HOT, and between women and men. In HOT, CP was reduced by 6.5% (227 & PLUSMN; 50 vs. 212 & PLUSMN; 47 W), while W & PRIME; increased 12.4% (16.4 & PLUSMN; 4.4 vs. 18.5 & PLUSMN; 5.6 kJ). No significant two-way sex x temperature interactions were observed, indicating that the environmental conditions did not have a different effect in men compared with women. The intersection of the average curvatures in TEMP and HOT occurred at 137 s and 280 W in women, and 153 s and 397 W in men. Acute heat exposure had an impact on the parameters CP and W & PRIME;, i.e. CP decreased whereas W & PRIME; increased. The increase in W & PRIME; might be a consequence of the mathematical modelling for the used test methodology, rather than a physiological accurate value of W & PRIME; in HOT. No differences induced by heat exposure were observed between women and men.}},
  author       = {{Bourgois, Gil and Mucci, Patrick and Caen, Kevin and Colosio, Alessandro and Kerckhove, Manon and Bourgois, Jan and Pogliaghi, Silvia and Boone, Jan}},
  issn         = {{1746-1391}},
  journal      = {{EUROPEAN JOURNAL OF SPORT SCIENCE}},
  keywords     = {{Orthopedics and Sports Medicine,Physical Therapy, Sports Therapy and Rehabilitation,General Medicine,threshold>,temperature,sex,power-duration relationship,Constant workload,threshold,EXERCISE,PERFORMANCE,HYPERTHERMIA,HOT,METABOLISM,CAPACITY,FATIGUE,STRESS,FEMALE,TIME}},
  language     = {{eng}},
  number       = {{12}},
  pages        = {{2425--2434}},
  publisher    = {{Informa UK Limited}},
  title        = {{Effect of acute heat exposure on the determination of critical power and W’ in women and men}},
  url          = {{http://doi.org/10.1080/17461391.2023.2240748}},
  volume       = {{23}},
  year         = {{2023}},
}
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