To maintain range of motion in the joints they need flexibility, or the muscles will shorten and tighten. Stretching regularly loosens and lengthens the muscles, allowing the joint to move freely. Premier Pain Management will teach you a variety of stretches to improve mobility and circulation, reduce stress, and increase energy. Stretching keeps your muscles flexible, strong, and healthy, improving posture and athletic performance. Stretching also relieves soreness and pain after exercise and helps to treat existing injuries and prevent future injuries.