The repetitive activities (or inactivity) of your daily life can lead to muscle tension and tightness, especially in your neck, back, chest, hips, and hamstrings, so you should make it a point to stretch throughout the day. Stretching counteracts stiffness, corrects flexibility imbalances, and helps improve your range of motion, which will keep you healthier and more active in the long run. These 6 moves stretch your entire body: Hold each for at least 30 seconds.