Aerobic fitness, energy balance and BMI are associated with training load assessed by activity energy expenditure
Tanskanen, M., Uusitalo, A., Häkkinen, K., Nissilä, J., Santtila, M., Westerterp, K. R., & Kyröläinen, H. (2009). Aerobic fitness, energy balance and BMI are associated with training load assessed by activity energy expenditure. Scandinavian Journal of Medicine and Science in Sports, 19(6), 871-878. http://www3.interscience.wiley.com/cgi-bin/fulltext/121452596/HTMLSTART
Julkaistu sarjassa
Scandinavian Journal of Medicine and Science in SportsTekijät
Päivämäärä
2009Tekijänoikeudet
© Wiley. This is a final draft version of an article whose final and definitive form has been published by Wiley.
The present study examined whether activity energy expenditure related to body mass (AEE/kg) is associated with maximal aerobic fitness (VO2max), energy balance, and body mass index (BMI) during the 2 hardest weeks of the military basic training season (BT). An additional purpose was to study the accuracy of the pre-filled food diary energy intake. Energy expenditure (EE) with doubly labeled water, energy intake (EI), energy balance, and mis-recording was measured from 24 male conscripts with varying VO2max. AEE/kg was calculated as (EE × 0.9−measured basal metabolic rate)/body mass. The reported EI was lower (P<0.001) than EE (15.48 MJ/day) and mis-recording of the pre-filled diary was −20%. The negative energy balance (−6±26%) was non-significant; however, the variation was high. The subjects with a low VO2max, a high BMI, and a negative energy balance were vulnerable to low AEE/kg. However, in the multivariate regression analysis only BMI remained in the model, explaining 33% of the variation in AEE/kg. During wintertime BT, AEE/kg is affected by energy balance, VO2max, and BMI. From these three factors, overweight limits high-level training the most. Furthermore, an optimal energy balance facilitates physical performance and enables high training loads to be sustained during the BT season.
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Alkuperäislähde
http://www3.interscience.wiley.com/cgi-bin/fulltext/121452596/HTMLSTARTJulkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/17925518
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