Timed physical exercise does not influence circadian rhythms and glucose tolerance in rotating night shift workers: The EuRhythDia study.

Although there was a slight trend towards better training status in individuals randomized to the exercise group than to the control group, both groups did not differ significantly: baseline peak VO 2 was 35.8 ± 3.7 mL/min/kg in the exercise group versus 29.9 ± 7.1 mL/min/kg in the no-intervention group ( p = ns).

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