Gregory Heuer, MD, PhD, a Children's Hospital of Philadelphia neurosurgeon, explains tethered cord, including the embryologic development, diagnosis through imaging, clinical signs and symptoms, surgical approaches, and long-term prognosis. As a co-author of the CHOP Clinical Pathway on Tethered Cord Release, Dr. Heuer provides insight into what to expect after surgery, which is helpful to anyone involved in the care of patients with a tethered cord.