Biomechanical Phenotyping of Chronic Low Back Pain: Protocol for BACPAC. - Quirk, D Adam; Johnson, Marit E; Anderson, Dennis E; Smuck, Matthew; Sun, Ruopeng; Matthew, Robert; Bailey, Jeannie; Marras, William S; Bell, Kevin M; Darwin, Jessa; Bowden, Anton E (Pain Medicine, 2023)