I'm 21 yrs old on my cut started with 13.8% BF. Now I'm @ 8.6% is it goo to do empty stomach cardio in the morning? I weigh 165lbs 5'9"..I also do my weight training after school which is around 4pm....Also is cardio everyday bad?
Thanks,
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02-15-2010, 10:37 AM #1
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Empty stomach cardio with 8.6% body fat..Good or bad?
Last edited by jguillen712; 02-15-2010 at 11:11 AM.
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02-15-2010, 10:41 AM #2
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02-15-2010, 10:41 AM #3Cardiovascular exercise has several myths surrounding it. The largest myth being that one should perform low intensity cardio in a fasted state. The logic being that if one is in a fasted state, their glycogen levels will be low and will force their body to burn fat. Unfortunately, this idea is misguided.
While performing cardio in a fasted state may indeed increase the amount of calories that are burned from fat stores, it will also increase amino acid oxidation. Cardiovascular exercise while in a fasted state is a great way to increase cortisol release. Cortisol will liberate amino acids to produce glucose (glucose cannot be synthesized from fats) and can lead to muscle loss.
Additionally, I find it ironic that many people take such great care to time their meals so that they do not go for more than 2-3 hours without eating in order to prevent muscle loss. However, they purposefully induce this state and then perform work on top of this!
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02-15-2010, 10:51 AM #4
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02-15-2010, 11:12 AM #5
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02-15-2010, 11:15 AM #6
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02-15-2010, 11:16 AM #7
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02-15-2010, 11:51 AM #8
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02-15-2010, 01:46 PM #9
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02-15-2010, 02:23 PM #10
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This is really interesting to me... do you have any links to the articles / studies that support this? (not asking because I don't believe you, I just want some more information ) I personally run in the morning right after waking up, so if I am killing muscle in the process I need to find a new schedule for my 9 mile jog. Thanks for the post / thread!
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