Join Date: Jan 2002
Location: Orlando, FL
Bikes: litespeed, cannondale
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Well, losing weight and power to weight ratio depend on what you are losing.
The problem with many people is when they lose weight, they are losing mainly muscle. They restrict their calories severely so the body is starved for carbohydrates and the body rips up proteins (muscle) to make more carbos.
Another thing is sedentary people tend to lose mainly muscle mass when dieting. I think the human body just loves to horde fat.
The trick is to eat enough carbohydrates whilst losing weight to meet the requirements so you do not lose muscle mass. That is tricky. Too little carbo and you lose muscle, too much and you don't lose weight.
Also, intense exercise tends to burn carbohydrates and little fat. Less intense exercise will burn fat. Generally, this is at the lower end of one's aerobic zone. It is ok to go out and pound also. In my experience, I seem to lose weight best with less intense riding and going longer distances.
But if you lose the fat and keep the muscle, your power to weight ratio should improve dramatically. The area you will see the most improvement on is climbs. On flat stretches, even pretty chubby riders can crank out impressive speeds if they are fit. Their extra pretty much comes into play on the climbs and on acceleration (but usually on a ride you are not doing much of this so if things are flat, it does not come into play).