One of the greatest aspects of tennis is that playing it can be fun. True, it can be challenging, especially if you're just learning.
Swimming is a good all-round activity because it: Keeps your heart rate up but takes some of the impact stress off your body.
Yoga poses stretch your muscles and increases your range of motion. Yoga is just as good as aerobic exercise for improving health.
Badminton gives your core muscles, arm and back muscles a great workout. Badminton does not only have physical benefits.