An aching back? Well don't sit up straight! - News-Medical.net
 Xinhua | An aching back? Well don't sit up straight! News-Medical.net - By using a new form of magnetic resonance imaging (MRI) Scottish and Canadian researchers have been able to show that sitting in an upright position places unnecessary strain on the back. Study: laid-back posture avoids back pain Was Mom wrong? Study says you shouldn't sit up straight |
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