www.dynasplint.com Chief of Orthopedic Hand Surgery at Henry Ford Medical Center in Detroit, Dr. Ephriam Zinberg treats many distal radius fractures. Whether the patient has had surgery of not, wrist range of motion in both extension and flexion-as well as supination and pronation- must be regain for full function. Dr Zinberg uses Dynasplint and tell when he prescribes and why.