Spinal cord - It is a long ,neural, conical structure extending as a continuation of the brain. Spinal cord consists of many nerves, which is supported by the vertebral column of bones.
Inter vertebral disc - It is a cushion like structure found in between two vertebral bones.
Posture - The normal alignment of all the segments of the body. The position or bearing of the body.
Occupational stress - The discomfort caused by the physical and mental state of body due to an occupation.
MRI - Magnetic Resonance Imaging. It is a diagnostic method, which uses magnetic resonance to give out the image of the scanned structure.
Ergonomics - An applied science concerned with studying the structure of a person and designing and arranging items like furniture so that these are most effectively and safe for the proper functioning of the body. (Human Engineering)
De-compression - Surgical way of removing narrowing bone and disc, that compresses the nerves of the spinal cord.