What does "Range of motion" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Range of motion" refers to how much movement a person has in their joints. It's like how far a door can swing open or closed. In the context of a knee, for example, it would be how much a person can bend or straighten their leg. A "good range of motion" means that the joint can move freely and without difficulty.
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