Healthy Wednesday. Check out this video for some cool and fun stretching exercises that you can try from home. There are many benefits to regular stretching. Not only can stretching help increase your flexibility, which is an important factor of fitness, but it can also improve your posture, reduce stress and body aches. 1. Increases your flexibility 2. Increases your range of motion 3. Improves your performance in physical activities 4. Increases blood flow to your muscles 5. Improves your post