Exercising is essential for staying healthy and maintaining a healthy weight. It is important to remember to eat properly while exercising.
Glycogen is used by your muscles during your exercise routine...both anaerobic and aerobic. If you do not have enough glycogen in your body, you will feel more tired and your performance will drop. A lack of glycogen can also make you more susceptible to injury.
Marathon runners experience fatigue to the point where they can barely walk around 20 miles. This is due to a lack of glucose. The body can only store up to 2,000 kilocalorie of glycogen at a time.
So how do you get enough glycogen? Now, I am far from a biologist or chemist, but from what I understand, glycogen comes from carbohydrates breaking down into glucose. Glycogen is a form of glucose.
There are specific ways to find out exactly how many calories you should be intaking for exercise. To find out how many calories you should be consuming, use the Calorie Calculator.
Getting tired toward the end of the day, or week, may be a result of not getting enough calories:
A common question is if you should eat before or after exercise. Either way, you will burn the same amount of calories: