The Role of Glacogen in Durance Exercises

The correct answer to this question is four free fatty acids. During prolonged steady ate in durance events such as amarathon, the predominant muscle energy source is in glacogen early in the event and free fatty acids after about 90 minutes. Arobic activities are low to moderate intensity that utilize typon muscle fibres and glacogen as its primary en sors for about 90 minutes or until stores have been depleted. This is different for each athlete, depending on diet, training regimen and genetics. Prolonged steady state exercise lasting several hours is characterized by a shift towards increased libit oxidation and reduce carbohydrate oxidation rates. The relative use of energy sources during exercise is mainly determined by the intensity