If you are a senior, you should aim for approximately 150 minutes per week of moderate physical activity. It might sound like a lot all at once, but it breaks down to just over 21 minutes per day of activity. You can take a long walk, join a class at the gym, or even go swimming with your grandkids. You aren’t limited to the number of physical activities you have available, and you shouldn’t limit yourself to activities you don’t enjoy. Do what you love, and you won’t feel as if you’re working out. The Health Benefits of Senior Exercise…