Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

The back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

Lower back pain is a common ailment affecting many Americans, often exacerbated by improper lifting techniques. Excess weight, especially in the midsection, increases strain on lower back muscles, ...