There's TONS of info out there on this. Generally your body can store enough glycogen for about 1-1/2 hours of strenuous exercise. If it's more than that your body metabolizes fat and protein (i.e. you eat yourself).
Protein and fat in some drinks is specifically to help your body release steady energy for long endurance events.
The intake of fat actually stimulates your body to release fat stores quicker for use as energy. This is the same reason hollywood starvation diets don't work - your body rations what it's afraid of running out of.
There's TONS of info out there on this. Generally your body can store enough glycogen for about 1-1/2 hours of strenuous exercise. If it's more than that your body metabolizes fat and protein (i.e. you eat yourself).
Protein and fat in some drinks is specifically to help your body release steady energy for long endurance events.
The intake of fat actually stimulates your body to release fat stores quicker for use as energy. This is the same reason hollywood starvation diets don't work - your body rations what it's afraid of running out of.
Good points- when your body breaks down it's own protein you're in trouble, which is basically anorexia.
From a performance standpoint, cells metabolize glycogen/sugar 3 times as fast as fat, so naturally you consume different stuff depending on your program/desire.
Opie- might just be easier to hire or train a domestique- is Zabriskie on his way home yet?!
On a MTB bike not so bad, i ride all the time with a Camel back on, usually a 100oz size. On a ride bike, it's not comfortable at all. I can't do it even with a 50oz one. Between the more bent over position and having your shoulder rolled forward more, it starts to bug me after 20 mins.
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