Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility and stability.Lumbar vertebrae are larger because they carry the load from ...

Add Yahoo as a preferred source to see more of our stories on Google. Though both giraffes and humans have the same number of individual neck bones (known as vertebrae), the two species also have size ...

A novel indwelling subcutaneous intrathecal catheter circumvented the complex spine anatomy of patients with spinal muscular atrophy (SMA), a challenge when giving nusinersen via intrathecal injection ...

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 ...