timing how long it takes for your kettle to boil 1 cup (250ml) of water. looking at the power of your kettle (Watts, often found on the base of the kettle) joules = wattage x time (in seconds)
Rock climbing can help build and tone your legs and glutes. Indoor rock climbing is a sport that when properly executed, recruits every major muscle group in the body. Rock climbing is a full body workout that tones and strengthens the arms, shoulders and core muscles. You can also effectively strengthen and tone your legs and buttocks with regular indoor rock climbing sessions.
According to a 2000 study of sedentary young women in the journal Preventative Medicine, a short-term stair-climbing workout provides considerable cardiovascular health benefits. Stair climbing also requires more effort than walking or running on flat ground, according to NYTimes.com. Convenience. Stair climbing requires significant energy and burns plenty of calories in a short period of time. Because of this, you can achieve the benefits of a longer, more moderate workout in a shorter amount of time.