The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders.

2024年3月25日 · What Is Low Back Pain? The low back, also called the lumbar region, is the area of the back that starts below the ribcage. Almost everyone has low back pain at some point in life. It’s one of...

Your lumbar spine is the lower back region of your spinal column or backbone. It consists of five bones (L1-L5). Other structures in or around your lumbar spine are your intervertebral disks, spinal cord and nerves, muscles, tendons and ligaments.

2025年1月13日 · However, if the curve becomes too deep, it can affect your posture and may cause pain or discomfort. Sacral Curve. The sacral curve refers to the natural backward bend of the sacrum, a triangular bone at the base of the spine. ... Spinal Cord in Spine Anatomy. The spinal cord is a tube-like structure made of nerve tissue that runs through your ...

Discover the connection between spinal anatomy and back pain. Learn about common causes and the essential structures involved in back and neck pain.

2024年10月25日 · Vertebrae: Thirty-three stacked vertebrae for the spinal cord. The cervical, thoracic, and lumbar spine are composed of distinct vertebrae that allow for movement. Conversely, the vertebrae at the base of the spine, the sacrum and coccyx, are …

Thirty-one pairs of nerves are rooted to the spinal cord and they control body movements and transmit signals from the body to the brain. The spine extends from the skull to the coccyx and includes the cervical, thoracic, lumbar, and sacral regions. The lumbar spine consists of 5 moveable vertebrae (numbered L1-L5).

Explore the lumbar spine’s anatomy, function, and common disorders. Understand how this lower back area supports weight, enables movement, and protects nerves. Learn about symptoms, causes, and treatments for lumbar spine issues

2025年1月28日 · Each lumbar vertebra has several bony projections for muscle attachment and articulation: Spinous Process: A single, prominent projection extending posteriorly from the vertebral arch, easily palpable through the skin.

Located between the dorsal region and the sacrum, the lumbar spine forms the region of the lower back. It can be the site of several pathologies due to the many constraints it undergoes. What is the lumbar spine, and what are the most common symptoms encountered with a …