A group of Scottish researchers has discovered that the conventional wisdom on the correct posture when sitting -- upright with back and thighs at a 90-degree angle -- might actually be a cause of back pain. They used a positional MRI scanner that can image patients in weight-bearing positions to assess the degree of strain produced by several commonly used sitting positions. You might be surprised by the results.
i was taught if u sit up strait, ur lungs open up and more oxygen gets to ur brian=better learning
Gibson2471 2 years ago
really what variables?
Jacobomo 2 years ago
dumbest study i have ever heard, there are so many variables. This is total crap
wowcu 2 years ago
wicked i never thought woodend hospital did such work, mastrick is world famous lol
yyvonneP 4 years ago