Accurate and reliable “individualized” low back erector spinae muscle (ESM) data are of importance to estimate its force producing capacity. Knowing the force producing capacity, along with spinal loading, enhances the understanding of low back injury mechanisms. The objective of this study was to build regression models to estimate the ESM cross-sectional area (CSA). Measurements were taken from axial-oblique magnetic resonance imaging (MRI) scans of a large historical population [54 females and 53 males at L3/L4, 50 females and 44 males at L4/L5, and 41 females and 35 males at L5/S1 levels]. Results suggest that an individual's ESM CSA can be accurately estimated based on his/her gender, height, and weight. Results further show that there is no significant difference between the measured and estimated ESM CSAs, and expected absolute error is less than 15%.
Prediction Models for the Erector Spinae Muscle Cross-Sectional Area
Manuscript received August 26, 2014; final manuscript received January 26, 2015; published online June 3, 2015. Assoc. Editor: Brian D. Stemper.
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Gungor, C., Tang, R., Sesek, R. F., Bo Foreman, K., Gallagher, S., and Davis, G. A. (July 1, 2015). "Prediction Models for the Erector Spinae Muscle Cross-Sectional Area." ASME. J Biomech Eng. July 2015; 137(7): 071012. https://doi.org/10.1115/1.4029984
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