Short - term activities requiring greater power outputs depend on anaerobic energy, whereas longer duration activities with less power outputs shift to aerobic energy. (blog.nasm.org)
They are readily used for both short - term, intense bouts of exercise and long - duration activities like running and even your daily work activities. (gymjunkies.com)
It can also be used to prevent fatigue during longer duration activities allowing you to maintain the intensity required to yield results. (athleanx.com)