Wednesday, May 20, 2009

Cardio Question: When is the best time to do cardio?


This is a question that many devoted exercisers ask. "When should I do cardio to burn the most fat? In the morning or in the evening?". Let's break it down and get some answers!

The body responds differently in each instance. Early am after you've had nothing to eat all night, has your body ready to burn fat but your total calories used will be low. Before you eat b'fast, your body's insulin levels are low and glucagon is high. Your body may have to really make large amounts of catecholamines and cortisol to jump-start your fat metabolisim and your body's general functioning just to exercise. This could be one reason that fat burning is higher in the morning. Other benefits of morning exercise are: feelings of well-being and accomplishment early in the day, mental alertness is elevated, appetite moderation, improves mood and it jump starts your metabolism for the day. In contrast, evening cardio activity increases metabolism until you're ready for sleep and then it slows down. Also, evening cardio can interfere with sleep patterns.
So after all is said and done, it's a personal choice WHEN to do cardio. The best choice is the one in which you feel good about doing it and doing it well.

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