What is circuit training? Circuit training is a method of training. A circuit usually has 8 to 15 stations, where at each station a different exercise is carried out for a certain amount of time. Circuit training can improve muscular endurance, cardiovascular endurance, aerobic fitness, muscular strength, speed and agility. A circuit-training program may also be designed for a certain sport. Circuits for this purpose will include exercises to improve all the muscles and skills associated with the sport. Example: A circuit training program for basketball should include skills like jumping, catching or throwing. Specificity ...
to doing the exercises gradually.

Although I had improved during the six-week period I had only improved slightly, so if I were repeating this program I would make it last 12 weeks so improvements could be seen more easily. Once the circuit becomes to easy I would have to make it harder to affect plateauing. If the circuit is not made harder the body will stop improving in the areas of muscular endurance and anaerobic respiration. The body must also train to prevent reversibility. This is when the affects of training decrease and the benefits are lost.