Books by Dennis Zacharkow
Total count: 5
Wheelchair posture and pressure soresC.C. Thomas1984-01-01
The healthy lower backlaying the foundation through proper lifting, sitting, and exerciseThomas1984-01-01
Posturesitting, standing, chair design, and exerciseThomas1988-01-01
Zackback sittingthe revolutionary solution for relieving your pain and improving your posture!1st ed.Zackback International1998-01-01