Health 101: How to Sit - Best Posture for your health

"A 135-degree body-to-thigh sitting posture was demonstrated to be the best biomechanical sitting position, as opposed to a 90-degree posture most people consider normal,"
Disk movement and discomfort were the least pronounced in the 135-degree relaxed position.
"We were not created to sit down for long hours, but somehow modern life requires the vast majority of the global population to work in a seated position.
"Sitting in a sound anatomic position is essential, since the strain put on the spine and its associated ligaments over time can lead to pain, deformity and chronic illness,"
Sitting with a natural hollow in your back, which can be accomplished by placing a roll in the lower back area.
"It's good to get up and change positions throughout the day to flex and unflex the back muscles and balance things out,"
Between 70 and 85 per cent of people will experience back pain in their lives.