Spondylolysis
Spondylolysis is a stress fracture through the vertebrae, one of the bones that make up the spinal column.
Symptoms
It is a common cause of low back pain in adolescent athletes involved in sports involving repetitive hyperextension of the lower spine (gymnastics, weight lifting and football).
Causes
Repetitive hyperextension of the lower spine (gymnastics, weight lifting and football).
Treatment
The stress fracture can be seen on X-ray, but sometimes requires CT or MRI to diagnose.