Dietary Manipulation Clinical Trial
Official title:
The Effect of Dietary Macronutrient Manipulation and Glycogen Depleting Exercise on Substrate Oxidation at Rest and During Exercise
This study will investigate the effect of dietary macronutrient manipulation on glycogen (stored carbohydrate) levels in the muscle and substrate oxidation during exercise. The investigators will investigate the hypothesis that manipulating the macronutrient content of the diet will alter the levels of glycogen in the muscle and, in turn, substrate oxidation during exercise.
One way to help reduce body fat is to expend more energy from the oxidation of fat as a fuel.
Exercise is one way to increase fat oxidation. The extent to which exercise facilitates the
use of fat as a fuel may be influenced by an individual's dietary intake.
This study aims to establish the effect of dietary macronutrient manipulation on muscle
glycogen levels and substrate oxidation during exercise. Participants will undertake three
separate trial periods. During each trial period participants will consume a diet containing
different macronutrient compositions. For each of the trials the investigators will assess
how the macronutrient composition of the diet affects muscle glycogen level and substrate
oxidation during exercise.
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