A continuous passive motion (CPM) machine is used to promote healing and flexibility in the knee and hip joint and increase circulation to the operative area. Select all of the following that are true about the use of CPM.
• The physician orders the amount of extension and flexion produced by the machine.
• The physician orders the frequency of use of the machine.
• The amount of flexion for clients with hip replacements should never exceed 30° in the CPM machine.
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