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.
1 When it comes to stair climbing, like any other type of exercise, practice good form. 2  Youâll be able to workout harder and reduce the likelihood of injury. 3  Donât just use your calf muscles to power you up the stairs and avoid stepping just on your toes. 4  Focus on using your larger leg muscles.