Continuous Passive Motion (CPM) Devices - Kinetec Centura bed/wheelchair BW CPM - shoulder : Kinetec Centura bed/wheelchair BW helps prevent joint stiffness, soft tissue contractures, atrophy. Patient set-up is anatomical, comfortable and quick with a color-coded set-up system. Easy change for left or right. Used while the patient lies in bed or sits in a wheelchair. Programming through the hand control allows for extension/flexion movements. Breaks down for convenient transportation. ROM: arm in full extension 0 - 110 degrees. Arm flexed 90 degrees 30-110 degrees.