Sitting For extended periods has become a common feature of modern lifestyles. Office work, studying, driving, and extended screen time often keep people stationary for most of the day. Over time, many individuals report stiffness in the lumbar region, particularly when standing up after a long work session.Prolonged desk work https://www.zupyak.com/p/5000073/t/why-does-back-pain-get-worse-after-sitting-for-long-hours