When did classical fitness come into being?

Ancient Greek period. According to relevant data, in ancient Greece, people also beautified their bodies through weight-bearing and resistance training, making them full of strength and beauty. The requirements of classical bodybuilding competitions are grouped according to height. The World Men's Classical Bodybuilding Championships are divided into five levels according to their height: 168cm or less, 17 1cm or less, 175cm or less, 180cm or more.