It travels from the lower spine, through the pelvis, and down each leg. It is the longest and widest nerve in the human body. The sciatic nerve is the dominant nerve that innervates the lower back ...

Your back pain may be due to evolution and spine shape. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2020 / 03 / 200305132047.htm ...

The human back contains various muscles, tendons, and ligaments. Tendons and ligaments are bands of fibrous connective tissue. Tendons connect muscle to bone, whereas ligaments connect bone to bone.

Human trials have shown that hydrogel injections are a promising, effective treatment for chronic lower back pain caused by degenerative disc disease (DDD). The treatment is far less invasive than ...

The spine (aka backbone) is a linked column of bones running from the head down to the lower back. Bone segments form the column. One bone segment is a vertebra, and multiple bone segments are ...

The human head weighs about a dozen pounds. But as the neck bends forward and down, the weight on the cervical spine begins to increase. At a 15-degree angle, this weight is about 27 pounds, at 30 ...