Hi..... You may be able to avoid back pain or prevent its recurrence by improving your physical condition and learning and practicing proper body mechanics.... Exercise. Regular low-impact aerobic activities — those that don't strain or jolt your back — increase strength and endurance in your back and allow your muscles to function better. Build muscle strength and flexibility. Maintain a healthy weight. Being overweight strains back muscles. If you're overweight, trimming down can prevent back pain..... ,,