DAYTON, Ohio — A great core exercise, stability ball knee tucks help to strengthen many muscle groups at the same time, including the abdominals, low back, legs and arms. This exercise also ...

Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you need to know is your height. If you’re 5’5” or shorter, stick to a 55 ...