Back pain is one of the most common reasons Americans call in sick, second only to the flu.
One of the most common ways to avoid back strain is good posture. While at work, it's best to sit with the hips level to the knees and the spine slightly arched. If you work at a computer, you should keep your shoulders relaxed and elbows by your side.
If you find yourself suffering from back pain caused by strain, don't stay in bed for more than 48 hours. The lack of activity can delay the recovery process.