Horrified
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Physicsman wrote:I think what your cycling "specialist" was trying to say, is that if you are working flat out, you are not optimally burning fat but carbohydrates instead.
See the following chart, where it can be seen that above a certain level your fat burn decreases and carb burn increases exponentially. You want to hit that area where the fat burn is maximal. On the chart it is about 112-120 watts but that varies from person to person. HTH.
If you are eating the same amount, why does it matter/
wouldn't the harder work on the muscles help top build muscle, which increases metabolic rate?
Mind you I pay no attention to the amounts* I eat, and have gained about half a stone whilst commuting this last 2-years.
But my waist has dropped back an inch to 31"
*I do eat pretty good-quality food, it helps to have a cooking/baking habit, and a breadmaker. And I do it because of the taste.0 -
the metabolism is a funny thing.
when i was at uni i put on over a stone. in my last year i went to the gym for about 2 hours 5 days a week. did weights and lots of cardio, as well as doing boxercise. barely lost anything - maybe 2 pounds. left uni and went straight into a job as an intern (tv) and was on my feet alot, running around all day most days, normally doing 15 hour days. lost the stone in about 2 months. oh, and i gave up bread. am sure that had something to do with it too. never really put it on again.
after my accident last year i went into catabolism (happens after major trauma) and my body broke itself down. i lost 2 stone just lying in a bed in 4 weeks and there was nothing i could do about it. lost all my muscle and as a friend kindly put it i looked 'like a famine victim.'
after 6 months of doing very little (made it back to 9st, a bit less than i was originally), and then slowly building up exercise over the last 4 months, i am eating ALOT (mostly good, nutritious food i admit) and drinking build up shakes, and I still cannot put weight on and over the last month, to my annoyance, people have commented that i have lost weight (although i think i have just toned up a little as have increased exercise). it seems my metabolism is still running on high. i reckon it might slow down around christmas 
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It only matters if you are trying to lose a rather large potbelly like I am! Then you want to be burning as much fat as possible to generate energy (calories) rather than carbohydrates. If you are of a svelte figure, then it won't matter that much.jimmypippa wrote:
If you are eating the same amount, why does it matter?
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lost_in_thought wrote:Borrocks.
There's a lot of stuff about 'zones' - fat-burning zone, anaerobic zone, derestricted zone, contaminated zone, twilight zone... personal trainers love 'em. I reckon they're a device to keep gullible people in the gym for longer. 'Oooooh if you work too hard you're not going to burn fat'.
My theory on it is the harder you work the more calories you burn, and if calories out is greater than calories in, you'll lose weight. Simples!
Never a woman has scored higher in my books! Well, except for my wife that is... :oops:0
