Reset your neck with three light moves. Chin tuck, side tilt and rotation. 1. Chin tuck: Slide the chin back to make a double chin then release. 2. Side tilt: Bring your ear to your shoulder, and hold briefly. Change sides. 3. Rotation: Turn to look over one shoulder. Change sides. Personal Trainers Tip: Keep the ranges small. Your neck will be happier, and your posture improved!