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The acceptability of a novel seismocardiography device for measuring VO max in a workplace setting: a mixed methods approach.
BMC Public Health
January 2025
Advanced Wellbeing Research Centre, Sheffield Hallam University, Sheffield, UK.
Background: Workplace health screening rarely includes measures of cardiorespiratory fitness, despite it being a greater predictor of cardiovascular disease and all-cause mortality than other routinely measured risk factors. This study aimed to determine the comparative acceptability of using a novel seismocardiography device to measure cardiorespiratory fitness via VO max during a workplace health check.
Methods: Participants were invited to participate in workplace health screening sessions where VO max was assessed by both seismocardiography at rest and sub-maximal exercise testing, in order for acceptability of both to be compared across multiple domains.
Intramyocellular lipid use is altered with exercise in males with childhood-onset obesity despite no differences in substrate oxidation.
Int J Obes (Lond)
January 2025
Department of Health, Kinesiology, and Applied Physiology, Concordia University, Montreal, QC, Canada.
Objective: Compared to adulthood-onset obesity (AO), those with childhood-onset obesity (CO) are at greater risk of metabolic disease. However, the differences between these two obesity phenotypes are not clear. The aim of this study is to investigate how the age of obesity onset (CO vs.
View Article and Find Full Text PDFTactical Behaviors in Men's and Women's Middle-Distance Global Championship Track Finals.
Int J Sports Physiol Perform
January 2025
Sports Science Research Center, Rey Juan Carlos University, Madrid, Spain.
Purpose: To analyze tactical behaviors associated with performance in track middle-distance global championship finals.
Methods: Finalists' season-best finishing race time, 100-m section times, and intermediate positions were obtained from 800- and 1500-m men's and women's finals in 2 Olympic Games and 5 World Championships. Differences between medalists, fourth- to eighth-ranked (T8), and ninth- to 12th/13th-ranked finalists in relative performance (relative to season-best), race time, and section times were determined.
Effects of 24-h sleep deprivation on whole-body heat exchange in young men during exercise in the heat.
Eur J Appl Physiol
January 2025
Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, 125 University, Montpetit Hall, Room 367, Ottawa, ON, Canada.
Sleep deprivation has been associated with impaired thermoregulatory function. However, whether these impairments translate to changes in whole-body heat exchange during exercise-heat stress remains unknown. Therefore, following either a night of normal sleep or 24 h of sleep deprivation, 10 young men (mean (SD): 23 (3) years) completed three 30-min bouts of semi-recumbent cycling at increasing fixed rates of metabolic heat production (150, 200, 250 W/m), each separated by a 15-min rest in dry heat (40 °C, ~ 13% relative humidity).
View Article and Find Full Text PDFAn exploratory survey assessing the determinants of heat stress and heat strain in the Canadian mining industry from the worker's perspective.
J Occup Environ Hyg
January 2025
Human and Environmental Physiology Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada.
With mines extending deeper and rising surface temperatures, workers are exposed to hotter environments. This study aimed to characterize heat stress and strain in the Canadian mining industry and evaluate the utility of the Heat Strain Score Index (HSSI), combined with additional self-reported adverse health outcomes. An exploratory web-based survey was conducted among workers ( = 119) in the Canadian mining industry.
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