The sacrum and the coccyx each consist of multiple bones that fuse over time. L5-S1 consists of the last bone in the lumbar spine (low back), called L5, and the triangle-shaped bone under it ...

The sacrum is the base of a person’s spine. It consists of five vertebrae that fuse to form one bone. These bones, known as S1–S5, fuse together during adolescence. This segment of the spine ...

Sacral insufficiency fractures are types of stress fractures that typically occur in older people, especially older people who were assigned female at birth with osteoporosis. As we age, our ...

The sacrum is a triangular bone wedged into the rear section of the pelvis. It is made up of five fused vertebral bones. The female sacrum is shorter and wider than a male’s. The sacrum is ...

and the highest vertebra in the sacrum (S1). The sacrum is a large, triangular bone that anchors the spine at the back of the pelvis. If Woods had any good fortune, it’s that of any disk to ...

The sacrum is a big, triangle-shaped bone at the base of your spine. The ilium is the big bone in your hip. The SI joint is where the sacrum meets the inside of the ilium. The idea behind SI joint ...

spine or wrist, but other bones can break, too - including the sacrum. 3 "Sacral insufficiency fractures are associated with a tremendous amount of pain and debilitation for individuals who have ...

When the sacroiliac joints become inflamed or irritated, it can cause lower back pain and stiffness. This is known as sacroiliitis. In some cases, the pain may also radiate into the hips, buttocks ...

Sacralization is a condition where the base of your spine has fused to the top of your pelvis. Your bottom vertebra is called the L5 lumbar vertebra. It’s joined to your sacrum, the upper ...

An extremely rare condition of the spine, in which an extra lumbar vertebra is present, was recently discovered in nearly one-fifth of burials in an ancient Peruvian cemetery. Could this inherited ...