Repeated heavy lifting or a sudden awkward movement can strain back muscles and spinal ligaments. If you're in poor physical condition, constant strain on your back can cause painful muscle spasms. Bulging or ruptured disks. Disks act as cushions between the bones (vertebrae) in your spine. Preview Of What You'll Learn: - Chapter 1: Relieving Pain by Prevention - Chapter 2: Living a Back-Friendly Lifestyle - Chapter 3: Releasing Back Muscle Tension through Relaxation - Chapter 4: Relieving Back Pain with Exercises - And much, much moreRepeated heavy lifting or a sudden awkward movement can strain back muscles and spinal ligaments. If you're in poor physical condition, constant strain on your back can cause painful muscle spasms. Bulging or ruptured disks. Disks act as cushions between the bones (vertebrae) in your spine. Preview Of What You'll Learn: - Chapter 1: Relieving Pain by Prevention - Chapter 2: Living a Back-Friendly Lifestyle - Chapter 3: Releasing Back Muscle Tension through Relaxation - Chapter 4: Relieving Back Pain with Exercises - And much, much more