Arnold Schwarzenegger was a person who built their body up with exercise.
Arnold Alois Schwarzenegger ( [ ˈʃwɔːrtsənˌɛɡər ] [ ˈaɐ̯nɔlt ˈalɔʏs ˈʃvaɐ̯tsn̩ˌɛɡɐ ] ; born July 30 , 1947 ) is an Austrian-American actor , producer , businessman , investor , author , philanthropist , activist , politician and former professional bodybuilder . He is widely considered to be among the greatest bodybuilders of all time as well as bodybuilding 's biggest icon . Bodybuilding is the use of progressive resistance exercise to control and develop one 's musculature . Bodybuilders prepare for competitions through a combination of intentional dehydration , elimination of nonessential body fat , and carbohydrate loading to achieve maximum vascularity , as well as tanning to accentuate muscular definition .