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Medicine & Science in Sports & Exercise:
Basic Sciences: Original Investigations

Energy turnover in a sailing crew during offshore racing around the world

BRANTH, STEFAN; HAMBRÆUS, LEIF; WESTERTERP, KLAAS; ANDERSSON, AGNETA; EDSGREN, RONNIE; MUSTELIN, MARKUS; NILSSON, ROGER

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Abstract

Energy turnover during offshore sailing was studied in 11 male crew members of one team during the first three legs of the 1993-1994 Whitbread Round The World Race. The effect of racing on the energy balance of the crew members was studied by anthropometric measurements and dietary intake as calculated from food inventories before and after each leg. Energy turnover, calculated from dietary intake and release of endogenous energy as a result of changes in body composition, was higher than expected (about 18-20 MJ·d-1). These findings were confirmed using the doubly labeled water technique in six crew members during the third leg, in which mean energy turnover was found to be 19.3 MJ·d-1. Changes in body weight and composition indicated a negative energy balance during all legs.

©1996The American College of Sports Medicine

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