Davis, JK, Laurent, CM, Allen, KE, Zhang, Y, Stolworthy, NI, Welch, TR, and Nevett, ME. Influence of clothing on thermoregulation and comfort during exercise in the heat. J Strength Cond Res 31(12): 3435-3443, 2017-Sport textiles of synthetic fiber have been proposed to have superior properties for keeping wearers cooler, drier, and more comfortable compared with natural fibers.
View Article and Find Full Text PDFThis study examined the effects of dehydration on intermittent sprint performance and perceptual responses. Eight male collegiate baseball players completed intermittent sprints either dehydrated (DEHY) by 3% body mass or euhydrated (EU). Body mass was reduced through exercise in the heat with controlled fluid restriction occurring 1 day before the trial.
View Article and Find Full Text PDFJ Public Health Manag Pract
September 2011
Many jobs in toxic environments and in less than ideal surroundings, such as oil spill remediation, require the use of 2 layers of personal protective equipment (PPE) to maximize worker safety. This study was designed to assess physiological and subjective responses while working in a single-layer (SL) or double-layer (DL) ensemble during a continuous work protocol in a hot environment of 31 °C WBGT. Eleven men in a repeated-measures design performed 2 counterbalanced work-bouts at a time-weighted work rate of 300 kcal/h.
View Article and Find Full Text PDFThe purpose of this study was to compare measures of body size in two samples of youth baseball players with normative data from the United States National Center for Health Statistics (NCHS) growth charts. One sample of youth baseball players participated in a local little league. The second sample of youth baseball players were members of eight of the twelve teams participating in the 1995 Dixie Youth World Series.
View Article and Find Full Text PDFThe purpose of this series of studies was to use a practical measure to examine the course of muscular endurance recovery after 3 sets to failure in 10 men (ages 18 to 30 years) and then compare those results with 10 men (ages 18 to 30 years) who performed 7 sets and 10 older men (ages 50 to 65 years) who performed 3 sets. Recovery as indicated by number of repetitions performed was observed at 24, 48, 72, and 96 hours. Repeated-measures ANOVA was used to investigate differences in recovery over time.
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