Bodybuilding is a form of body modification, involving intensive muscle hypertrophy. An individual who engages in this activity is referred to as a bodybuilder.
In competitive and professional bodybuilding, bodybuilders display their physiques to a panel of judges, who assign points based on their appearance. Bodybuilders prepare for competition through a combination of fat loss, oils, and tanning (or tanning lotions) which combined with lighting make the definition of the muscle group more distinct.
Some well-known bodybuilders include Charles Atlas, Steve Reeves, Reg Park, Arnold Schwarzenegger, and Lou Ferrigno. Currently, IFBB professional bodybuilder Jay Cutler from the United States holds the title of Mr. Olympia. The winner of the annual Mr. Olympia contest is generally recognized as the world's top professional bodybuilder.

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