So an overstuffed bag can strain the lower back, especially if you have it working day immediately after working day. If you should tote a major load, consider switching to the wheeled briefcase. See a health treatment professional any time you might have back pain after a slide or injury. https://www.theorthopaedicandpainpractice.com/find-relief-from-lower-back-pain-with-orthopaedic-and-medical-care/