A 25-minute indoors climbing class includes interval training, resistance and speed training, and upper body workout. This overall conditioning workout tones all the major muscle groups and improves the cardiovascular system. Compared to its competitors, it is more effective and time efficient - providing a lower body as well as an upper body workout. Utilizing low impact methods to prevent stress on the bones and joints, climbing creates a better-balanced body and lowers the risk of injury. It will leave you feeling exhilarated and strong.