Understand your spine A human spine is made up of more than 30 bones (vertebrae), held together by ligaments, muscles, and discs. It supports the weight of the human body and a healthy one should neither hurt, nor should it have any damages. While spending many hours sitting in front of our computers, we put our spine to serious tests. Sitting is one of the worst positions for the body to maintain (check "The health hazards of sitting"
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