Sitting on a thick wallet can stress your back and cause pain. The wallet forces you to elevate your pelvis on one side, which bends the spine. You compress the sciatic nerve, which runs behind your hip. This can not only cause lower back pain, but problems down your leg and up to your shoulder. With all the other things we do that cause back issues, this is an easy one to solve.
Thanks Stuart McGill, professor of spine biomechanics at the University of Waterloo, Ontario.
Thanks Stuart McGill, professor of spine biomechanics at the University of Waterloo, Ontario.
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