Infant Carriers and Spinal Stress

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Infant Carriers and Spinal Stress

Post  haider on Fri Jan 28, 2011 5:35 am

Spondylolisthesis is defined as the forward slipping of a vertebra on the one below it. The degrees of severity are determined using the Meyerding grading scale, with grade 1 being the least amount of slippage and grade 5 being complete slippage off the vertebra below. This condition may have a related stress fracture at the pars interarticularis, a structure at the back of the vertebra that takes most of the stress inflicted on the spine when it is arched backwards. When present, a spondylolisthesis occurs at the fifth lumbar vertebra 90% of the time and at the fourth lumbar vertebra 9% of the time.


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