The paraspinal muscles and their role in the maintenance of global spinal alignment. Another wrinkle in an already complex problem.

<bold>Commentary On: </bold>Yagi M, Hosogane N, Watanabe K, Asazuma T, Matsumoto M, Keio Spine Research Group. The paravertebral muscle and psoas for the maintenance of global spinal alignment in patient with degenerative lumbar scoliosis. Spine J 2016:16:451-8 (in this issue). [ABSTRACT FROM AUTHOR]