How does the CPM machine work?
A CPM (continuous passive motion) device gently moves your joint through a controlled range of motion without muscle effort. Early, surgeon-directed motion can support recovery by reducing stiffness and helping manage postoperative swelling. Fluid buildup in a joint can increase pressure on nerves and restrict motion; CPM may help promote circulation and comfort when used as directed. Always follow your surgeon’s protocol, and if you’re interested in CPM, ask your surgeon or physical therapist whether it’s appropriate for you.
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