Hi...., As you are 81kgs, Maintain a healthy weight. Being overweight strains back muscles....
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 — can increase strength and endurance in your back and allow your muscles to function better. Walking and swimming are good choices....
Answered2016-04-09 13:18:41
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