Does being fit keep you healthy? how would being fit be defined, and how far does someone have to go to be considered healthy?

Describe the concept of interval training. what is the benefit of this type of training?

Arm circles are often effective dynamic stretches for swimmers because they

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?