Our knees take a lot of abuse in our day to day. Anything from a morning jog, to crouching in a kitchen pantry can aggravate pre-existing pain. If you're dealing with sensitive knees, you are one of the 26% of American adults who suffer from knee discomfort. Luckily, however, there are steps you can take every day to prevent achy knees and soothe them when they're acting up. For 6 exercises to strengthen your knees, click here.