Circuit training involves a circuit or sequence of exercises that include both aerobic and strength training exercises. A participant is expected to complete every exercise in a circuit. The circuit may consist of nine to twelve stations hosting equipment or space for an exercise type. Circuit training has become a part of the exercise regimen of sportsmen practicing different disciplines because it stimulates muscular development as well as cardio-vascular fitness. It also helps to improve flexibility. The exercises can also be customized to fit the needs of a sporting discipline. Circuit training does not require expensive equipment or gym conditions.