Definition of Continuous passive motion machine
Continuous passive motion machine: A machine used to help rehabilitate a limb (an arm or leg).
The continuous passive motion (CPM) machine is attached to, for example, a knee that has had surgery. The CPM machine then constantly moves the knee through a range of motion for a period of time while the patient relaxes.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016