% during a 10/12-hour shift Twist/Turn- 34-66% during a 10/12-hour shift Kneel/Squat- 0-33% during a 10/12-hour shift Sit- 0-33...% during a 10/12-hour shift. Stand/Walk- 67-100% during a 10/12-hour shift Overhead Reaching- 0-33% during a 10/12-hour shift...