The lumbar spine, or lower back, consists of five vertebrae labeled L1 through L5. Learn all about lumbar spine anatomy on Spine-health. | Spine-health

Learn how to improve your posture, decompress your lumbar spine, unlock tight hips, and strengthen your glutes with this one exercise, which is especially crucial if you're over 41. | Physical Therapy Session

What are the four stages of disc herniation, and learn how to do exercises at home to relieve the symptoms. #backpainrelief #discherniation #herniateddisc #sciatica | Physical Therapy Session

Here's how a lumbar disc herniates near the nerve and causes sciatica. Nobody wants this -- do what you can to protect your back! | Spine-health