The vertebral column’s most important physiologic function is protecting the spinal cord, which is the main avenue for communication between the brain and the rest of the body. The spinal cord is ...
Medically reviewed by Brigid Dwyer, MD Key Takeaways The L5-S1 joint can be vulnerable to misalignment or injury. Common causes of pain at L5-S1 include disc herniation and spondylolisthesis.Pain from ...
Selam is a 3.3 million-year-old toddler and human ancestor whose skeleton provides clues on how we transitioned to walking upright. Zeray Alemseged/University of Chicago Fossils of an ancient child’s ...