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.
It provides many benefits such as increasing strength and endurance, as well as decreasing body fat. Cycling mainly uses the legs but also incorporates upper-body muscles such as the chest, back, biceps, triceps and shoulders for stabilization and performing maneuvers.