Doctors explain common causes of lower back pain, from PMS and pregnancy to posture, muscle strain, herniated discs, and when to seek care. Back pain is one of the most common problems you deal with as you age. About 80% of adults have it at some point. And more than 25% of adults say they’ve had it in the past 3 months. Your lower back is where your spine connects to your pelvis, bearing the weight of your upper body. This area experiences a lot of movement and stress, which may lead to wear, tear and injuries. Low back pain or lumbago is a common disorder involving the muscles, nerves, and bones of the back, in between the lower edge of the ribs and the lower fold of the buttocks. We’ve narrowed down a range of workouts to compile the best lower back exercises you can try for yourself. Many of these exercises will also help with muscle growth and strength across a range of other muscle groups, making them excellent for full-body sessions. The low back supports the weight of the upper body and provides mobility for everyday motions such as bending and twisting. Muscles in the low back are responsible for flexing and rotating the hips while walking, as well as supporting the spinal column. Doctors and physical therapists share the most effective lower back pain remedies, from stretching to wearing the right shoes to physical therapy. Lower back pain affects the lumbar region of your spine or back. The most common cause is a muscle or tendon injury. Lower back pain is often caused by an injury (like a muscle strain) or an underlying condition. Discover more causes, how it's diagnosed, and prevention tips. WebMD's low back pain slideshow explains the most common causes of low back pain and what you can do to help alleviate it.