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The aim of this study was to investigate the effect of weight reduction on maximal oxygen uptake (V̇O 2 max and running speed in endurance‐trained female elite athletes. Seven (the cases) of the 33 subjects reduced a significant amount of body weight (BW) within a period of 2 months. The cases showed a significant decrease in V̇O 2 max and running speed relative to controls during the weight reduction period (WRP). A considerable loss in BW might have prevented cases from achieving a training‐induced increase in V̇O 2 max and running speed similar to controls during the WRP. Six cases maintained low BW and all 7 improved V̇O 2 max relative to controls 1 year after the WRP.
Ingjer et al. (Sun,) studied this question.