1 - 4 of 4 results for "Dennis Zacharkow"

Title: Wheelchair Posture and Pressure Sores, Author: Dennis Zacharkow
Title: Posture: Sitting, Standing, Chair Design and Exercise, Author: Dennis Zacharkow
Title: The Healthy Lower Back: Laying the Foundation Through Proper Lifting, Sitting, and Exercise, Author: Dennis Zacharkow
Title: Zackback Sitting: The Revolutionary Solution for Relieving Your Pain and Improving Your Posture!, Author: Dennis Zacharkow