Olympic Bodies: Then and Now
Athletes more muscular at the London Olympics than previous generations.
London Olympics 2012: Muscles Are Name of the Game for Top Athletes
The Olympics have changed. Athletes are often bigger and more muscular. In the 1976 and '80 Games, Nadia Comaneci, left, reigned over gymnastics at 5-foot-4 and 99 pounds. This year, Gabby Douglas will go for a medal at 4-foot-11 and 90 pounds. (AP Images | Ezra Shaw/Getty Image)
