The Age reported that the more relaxed 135-degree backward sprawl sitting posture substantially put least strain on spinal discs and surrounding muscles and tendons which is the best way to avoid back pain. Both desk slouchers and upright sitters are exposed to fairly equal risk of wear and tear to spinal discs in their lower spine according to some researches.
Researches utilised 22 volunters with snapshots of their spines taken by positional magnetic resonance imaging as they sat in 3 positions:1. slouched and hunched forward;
2. upright;
3. laid back at the angle of 135 degrees.
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