NUTR 406 Lecture 12: NUTR 406 – LECTURE 12
16 Mar 2018
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The relative and absolute amount of fat utilized as a fuel: Poll everywhere q: what is the primary explanation for the fact that during prolonged exercise (2 hours and more) fat utilization increases, glycogen depletion. If you want to work out at a high intensity, you have to produce atp quickly --> oxidizing. Glucose: green = g of fat being oxidized in the percentages, percentage of fat may go down, the absolute amount of fat being oxidized is higher, overall energy expenditure is higher!!! Fat loading: maybe go longer before burning out all glycogen stores. High-fat diets -- fat loading: endurance performance not likely to improve. Intensity of exercise would be too low to be competitive: rate of atp isn"t increasing. Ketogenic diet and performance: 21 male world class race walkers, 3 weeks on diets & intensified training, high cho diet, 8. 6/kg/d carb, 1. 2g/kg/d fat, 2. 1 g/kg/d protein, cho cycling, periodized between high and low cho diets.
