You can also use the concepts of flexion, extension, and twist ... pecs, biceps, triceps, latissimus dorsi (lats), and trapezius (traps). Stretching and strengthening go hand-in-hand.
Stretching other muscles such as the glutes, hamstrings, and calves may also help alleviate pain. Lifting, bending, and twisting activities are most likely to increase lower back pain. Lower back ...