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.
Simple straight leg raises and wall sits are great exercises you can do under he supervision of a therapist as well as on your own between therapy visits. Stationary bikes, swimming, short arc squats, leg extension against resistance are all additional exercises often used to strengthen the quadriceps.