Reliability and validity of spinal coordination patterns during treadmill walking in persons with thoracic spine pain – a preliminary study

BackgroundPersons with low back pain fail to show the same transition as healthy individuals from in-phase to anti-phase rotation of the thorax and pelvis as walking speed increases. The purpose of this study was to determine if the relative phase of the thorax and pelvis during walking was a reliable (within day test-retest) and valid measure for persons with thoracic pain.MethodsThe time series motion of the spine over C7, T8 and sacrum were …