This document provides information about aerobics, including its definition, benefits, history, types, and guidelines. Aerobics involves oxygen-using exercise to strengthen the cardiovascular system. It was developed in the 1960s and involves dance-like routines to music. Types include freestyle, step, sport, water, and kickboxing aerobics. Sport aerobics involves 1.5 minute routines with 3 compulsory exercises evaluated on artistic impression, execution, and difficulty. A typical aerobics class includes a 5-10 minute warm-up, 15-25 minute cardiovascular section, and 10-15 minute cool-down and stretching.