According to ACRR, morning stiffness in knee OA typically lasts less than how many minutes?

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Prepare for the Musculoskeletal Knee Test. Review with comprehensive flashcards and multiple-choice questions; each explained and hinted. Ace your test!

Multiple Choice

According to ACRR, morning stiffness in knee OA typically lasts less than how many minutes?

Explanation:
Morning stiffness in knee osteoarthritis tends to be mechanical and brief, appearing after periods of rest and improving quickly with movement. The typical duration is under 30 minutes, which helps distinguish OA from inflammatory arthritis, where stiffness lasts much longer—often an hour or more. So the best choice is less than 30 minutes. Stiffness lasting hours or a full day would point away from OA, while an extremely brief duration (under 10 minutes) is not the usual pattern described for OA.

Morning stiffness in knee osteoarthritis tends to be mechanical and brief, appearing after periods of rest and improving quickly with movement. The typical duration is under 30 minutes, which helps distinguish OA from inflammatory arthritis, where stiffness lasts much longer—often an hour or more. So the best choice is less than 30 minutes. Stiffness lasting hours or a full day would point away from OA, while an extremely brief duration (under 10 minutes) is not the usual pattern described for OA.

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