Quote:
Originally Posted by sexyalisha
i've heard it's even better that you don't run on a treadmill or any hard surface b/c of all the bouncing which loosens collagen which also leads to sagging!
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I have never heard of that before. Weird? I guess it could be true for some people. Some runners... I do see them with sagging right at the knees. But some people that run are so perfectly toned it's nuts. I guess it just depends on the body. Maybe you need to tone up and run too. Maybe the people that sag... don't tone at all???