If you're suffering from knee, back or hip pain, the most likely culprit is gluteal weakness/atrophy says San Francisco Bay Area specialized personal trainer Deborrah Cooper. To counter the "pancake butt" epidemic of the new millennium, her new e-book Improve Your Assets - 30 Days to a Better, Higher, Rounder Booty offers more than 80 client-tested options for developing a better bottom line.
You can't help but see them as you walk up and down the street - dozens of flattened, sagging rear ends. Deborrah Cooper, a San Francisco area specia ...