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.
Ascending a natural or artificial rock wall burns up to 700 calories an hour if you weigh 140 pounds or up to 974 calories an hour if you weigh 190 pounds. You burn 785.85 calories during 60 minutes of Rock Climbing.