What is the AAOS normative range for knee flexion?

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Multiple Choice

What is the AAOS normative range for knee flexion?

Explanation:
Knee flexion is the amount the knee can bend from a straight leg. The AAOS normative range is 0 to about 135 degrees, meaning from full extension (0) you should be able to bend the knee to roughly 135 degrees. This is the standard reference for normal knee motion; some people may reach slightly more or less, but 0–135 is the typical AAOS benchmark. The other ranges imply limited motion and would indicate restriction rather than normal knee function, which is why they aren’t the normative value. Understanding this helps assess recovery after injury or surgery and sets rehabilitation goals to restore up to about 135 degrees of flexion.

Knee flexion is the amount the knee can bend from a straight leg. The AAOS normative range is 0 to about 135 degrees, meaning from full extension (0) you should be able to bend the knee to roughly 135 degrees. This is the standard reference for normal knee motion; some people may reach slightly more or less, but 0–135 is the typical AAOS benchmark. The other ranges imply limited motion and would indicate restriction rather than normal knee function, which is why they aren’t the normative value. Understanding this helps assess recovery after injury or surgery and sets rehabilitation goals to restore up to about 135 degrees of flexion.

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