One bone segment is a vertebra, and multiple bone segments are vertebrae. Ligaments and muscles connect these vertebrae, and a disc separates most of the vertebrae and acts like a cushion to absorb ...

Your upper back (thoracic spine) contains 12 vertebrae (spinal bones) and intervertebral discs that separate and cushion the ...

Low back pain is one of the most common reasons patients see primary care doctors. To understand this condition, it’s ...

Lower back pain when sitting can also be exacerbated by poor posture, sciatica, a herniated disc, or spinal problems. To relieve lower back pain when sitting, you can adopt good posture ...

The bulging disc can press on nerves and cause pain. AS mostly affects the spine and sacroiliac joints (SI). There are two SI joints on either side of the spine in your pelvis. It’s unclear what ...

Lumbar stenosis is a common spinal condition that affects millions of people, particularly older adults. It occurs when the spinal canal located in the lower back experiences narrowing, putting ...

Lumbar disc herniation refers to the condition in which one of the discs in the lower back (lumbar spine) protrudes or ruptures. The lumbar spine consists of a stack of bones called vertebrae ...