Anaerobic Metabolism as Part of Fitness Program

Aerobic metabolism is something that we all are experts at, right? In fact we use this type of energy producing system nearly every day/all day. However, on occasion we do find ourselves in an uncomfortable position with respect to energy needs. Anaerobic metabolism is something that we normally don’t do (or at least not well). So why bother? Please outline the need for anaerobic metabolism as part of your fitness program. Be sure to include supporting arguments. (50 Words Minimum)