Extended data and PRISMA-P checklist for: Evidence of lower back pain, lumbosacral, sacroiliac joint, and pelvic asymmetries relevant to the posterior triangle effect: A systematic review protocol

This record contains the extended data and completed PRISMA-P 2015 checklist associated with the systematic review protocol entitled “Evidence of lower back pain, lumbosacral, sacroiliac joint, and pelvic asymmetries relevant to the posterior triangle effect: A systematic review protocol.”The record includes the database search strategies (Appendix A), critical appraisal and methodological quality assessment materials (Appendix B), data extraction forms (Appendices C and D), and the completed PRISMA-P 2015 checklist.