Disorders of breathing and continence have a stronger association with back pain than obesity and physical activity
http://www.journalofphysiotherapy.com/article/S0004-9514(06)70057-5/abstract
Lumbopelvic Dysfunction and Stress Urinary Incontinence: A Case Report Applying Rehabilitative Ultrasound Imaging
http://www.jospt.org/doi/10.2519/jospt.2007.2538
