Apr 4, 2015 - brought on by a number of different reasons (1). Different forms of exercise have been linked to low back pain, with running being one of them.
Evaluating the Relationship Between Running and Spinal Height Loss
Authors: Pekovitch, Erin; Knott, Patrick
Abstract Research has shown that spinal height loss during exercise can be used to indicate the amount of spinal loading that has occurred throughout a workout period. In this case study, the loss of stature was measured and used to signify the amount of exercise induced spinal loading experienced during a thirty-‐minute running period. The spinal height was measured in one female subject at five different stages during the thirty minute period: pre-‐running, after 10 minutes of running, after 20 minutes of running, after 30 minutes of running, and post-‐running. The Formetric 4D surface topography system was used to take images of the subject between these time frames and gather the variables of trunk length, sagittal imbalance, coronal imbalance, pelvic obliquity, pelvic torsion, kyphotic angle, lordotic angle, vertebral rotation, apical deviation, and scoliosis angle. The results showed little difference in trunk length throughout the thirty-‐minute interval, with the height loss being 4 mm overall. Further research is necessary to continue evaluating the relationship between the loss of stature and the amount of spinal loading experienced during exercise.
Introduction Low back pain is experienced by 80% of adults at some point in their lifetime and can be brought on by a number of different reasons (1). Different forms of exercise have been linked to low back pain, with running being one of them. During exercise, the spine experiences a compressive load where it shrinks, or shortens, due to the stress applied. With the use of The Formetric 4D surface topography system, the spine length can be measured at different points during an exercise period to ultimately measure the total decrease in spinal length. This decrease can then be used as an indication to the amount of spinal shortening that has occurred, which allows the amount of stress the spine is seeing to be inferred. The Formetric 4D system, by Diers Medical Systems, is a radiation free and contactless 4D scan technology system. It was originally developed to create a radiation-‐free spine measurement for scoliosis patient monitoring, but has since been utilized in many other clinical fields. It works by projecting a line grid onto the back of a patient, analyzing the line curvature, and then generating a 3D reconstruction of the spine (Fig. 1, 2). To construct this 3D model, the Diers system automatically detects and uses the anatomical markers of sagittal imbalance, pelvic obliquity, pelvic torsion, pelvic inclination, kyphotic angle, lordotic angle, scoliotic angle, vertebral rotation, and apical deviation (2). To reduce postural variances and improve preciseness, the system uses an averaging method, which compensates for things such as body sway and respiration (3). There are a number of previously published studies that report on the reliability and validity of the Formetric 4D system (4, 5, 6).
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