NUTR 200 Lecture Notes - Lecture 16: Trans Fat, Monounsaturated Fat, Carbohydrate
16 Dec 2017
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Document Summary
Atp stored in muscle tissues will sustain activity for 1-3 seconds. Creatine phosphate can provide enough energy for another 10 seconds of activity. Fat depending on intensity if the exercise is even longer. Not a major source of fuel for intense or maximal activity. If exercise is prolonged, fat becomes the main fuel. The more trained a muscle (more mitochondria), the greater its ability to use fat as fuel ability to use fat as fuel. Temporary storage of glucose in the liver and muscle. Muscle glycogen is used only by the muscle. Liver glycogen is released as glucose into the blood stream. Low to moderate intensity; sustain work for about 2 hours. Carbohydrate deficient diet rapidly depletes muscle and liver glycogen. Carbohydrate depletion during prolonged exercise results in reduced exercise capacity. Drink fluid freely 24 hours before the event. Drink 1. 5-2. 5 cups two hours before the event. Consume 0. 5-1. 5 cups every 15 minutes for events lasting longer than 30 minutes.
