Touching the toes: In addition to stretching the hamstrings, bending forward to reach your toes will help loosen the muscles in the lower back.
Cobra Pose: Lying on your stomach, with your hands face down beside the shoulders, gently lift your chest up so that the top of your head points toward the ceiling.
Cat-Cow Pose: Beginning on your hands and knees, slowly alternate between arching your back toward the ceiling and dipping it toward the floor.
Child’s Pose: Sitting on the heels with your knees hip-width apart, lean forward to place your head on the floor, stretching your arms out in front of your head.