Pain in the lower left back could indicate a problem with the muscles, joints, mid-back, or organs in the pelvic area. Common sources of pain include muscle injuries, kidney problems, and arthritis.

A nationwide Chinese study found that older adults with sarcopenia, an age-related loss of muscle mass and strength, experience significantly higher rates of lower back pain compared to their peers ...

Pain in the back of your knee when walking? Learn the causes, symptoms, and best treatments to relieve discomfort and prevent ...

Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed on posture or pulled muscles—but the real cause may be deeper. Experts point to a deep ...

Your journey to getting shredded doesn't involve just situps and planks. Your midsection can power so much more.