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Base(7 posts)

Base5
Dec 21, 2001 3:33 PM
I met a guy on a ride the other day who told me I should be doing a lot of my slow long distance training in the morning. He said not to eat any breakfast and don't take any food, just water. This seems nuts! What's the deal?
re: Basemerckx56
Dec 21, 2001 4:54 PM
if you can hold yourself to riding slowly for 3 hours or so, you are burning the fat you have stored as energy. if you must eat, eat enough to feel like you've eaten, not so you feel like a pig. always take something with you, just in case! a bonk 60 minutes from home sucks.
re: Basepeloton
Dec 21, 2001 5:01 PM
Don't listen.

This sounds like something from someone trying desperatly to lose weight, but going about it in a very unsound manner. Doing some training in the morning has some value, because it will elevate your metabolism for the entire day helping you to burn more calories. Not eating is just going to run down your glycogen stores in your muscles and your liver though and you will soon feel tired and lethargic. A longer ride could even put you in danger of a bonk. Your body needs the energy it gets from food to fuel you in training. Trying to go without is a pretty unsound way to go about things. Eating smart will help you to train more effectively and recover faster. Gotta put gas in the car so to speak.
re: Base- Andy Hamsten did this.High Gear
Dec 30, 2001 3:20 AM
I read long ago that Andy Hamsten used this type of training to force the body to use fat as fuel. The idea was not to eat and only drink water while doing a long easy ride in the morning. Once you go through the glycogen you start to burn the other fule you have stored, fat. This wasn't a weight loss plan for him but a way to teach his body to burn an other source of energy.
Sound advice...Wayne
Jan 2, 2002 1:26 PM
if your goal is to burn fat. I would also recommend loading up on caffeine before the ride since this has been shown to increase Free Fatty Acid use. But you should ride easy or else your going to burn glycogen (which may be low because of your over night fast, and your lack of eating while riding). Basically, the easier you go, the longer you ride and the longer it's been since you've eaten the greater your body's reliance on fats for energy will be. I'm not sure how much evidence there is that this will "teach" your body to use fat when you're going harder but in the short term it will burn off fat (and preferentially adipose fat rather than intramuscular fat). Off course even going real easy you're going to be using some glycogen so the risk of bonking is real especially if your limiting you're calories to try to lose weight and therefore not fully replenishing your glycogen stores in between workouts.
question...NYCyclist
Jan 2, 2002 1:57 PM
Wayne,

Yes, caffeine use appears to result in an increase of fatty acid in the blood, but as far as I know there is no evidence showing that an athlete's body is able to/does utilize the available free fatty's. This was a topic of discussion a few years back, as a possible area of study, and I have not seen any studies published since. I've also been out of the loop for a while, so who knows?!?. If you are aware of any info, could you clue me in on where to find it? Thanks!
Looked into some....Wayne
Jan 7, 2002 1:55 PM
Yeah, you're right, the evidence isn't as good as I thought. Studies have shown an increase of FFA (and glucose) in the blood, some have shown decreased times in performance tests or increased times to exhaustion if effort level is controlled. But no change in R values to suggest an increased reliance on fat oxidation. Sort of a mixed bag of results, so I guess drink it if you like it!