Continuous Mobility and Physical Activity in Vertebroplasty vs Sham for Osteoporotic Vertebral Fracture

Polymethyl-methacrylate (PMMA) cement is injected slowly into the vertebral body under constant bi-plane fluoroscopy

A short needle is passed through the skin, but not as far as the periosteum. PMMA is mixed to mimic the PVP procedure but not injected into the vertebral body.