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KOOS, JR. Quiz: Your knee. Explained.
The KOOS, JR.* is a trusted, surgeon-approved quiz that scores your knee health out of 100. It’s a quick way to measure pain, stiffness, and function—so you and your doctor can make informed decisions together. This quiz has been endorsed by the American Academy of Orthopaedic Surgeons (AAOS) and the Centers for Medicare & Medicaid Services (CMS).
*KOOS, JR. Knee Injury and Osteoarthritis Outcome Score for Joint Replacement.
A real Personalized Knee® experience
Question 1
Stiffness
The following questions concern the amount of joint stiffness you have experienced during the last week in your knee. Stiffness is a sensation of restriction or slowness in the ease with which you move your knee joint.
How severe is your knee stiffness after first wakening in the morning?
Hover your cursor or touch your finger on the blue button, then select the option that best reflects your level of severity.
Question 2
Pain
What amount of knee pain have you experienced in the last week during the following activities?
For each activity, hover your cursor or touch your finger on the blue button, then select the option that best reflects your answer for that specific question. Repeat this for all four activities on the page.
Question 3
Function, Daily Living
This section describes your ability to move around and to look after yourself. For each of the following activities, please indicate the degree of difficulty you have experienced in the last week due to your knee.
The following questions concern your physical function
For each activity, hover your cursor or touch your finger on the blue button, then select the option that best reflects your level of severity. Complete this step for both activities on the page.
Your KOOS, JR. Score
23
You scored similarly to patients who underwent knee replacement surgery. Talk to a doctor to see if knee replacement surgery is right for you.
You scored better than the average for patients who underwent knee replacement surgery. You should still see a doctor to better understand your knee health and treatment options.
This assessment does not provide medical advice. It is one of many factors that your care team will consider. No material in this assessment is intended to be a substitute for professional medical advice, diagnosis, or treatment. Never disregard professional medical advice or delay seeking it because of something you have read on this website.