IKDC Subjective Knee Evaluation

The knee-specific subjective component of the International Knee Documentation Committee form set. It measures symptoms, sport-related difficulty and overall knee function as a single normalised score.

Instructions:

Answer each question for the past four weeks, or since your injury if that period is shorter. For symptom items, grade at the highest activity level you believe you could manage without significant symptoms, even if you are not currently active at that level. Item 10a (function before injury) is optional context only and is not used in the IKDC score.

Symptoms

1. What is the highest level of activity that you can perform without significant knee pain?

Very strenuous activities like jumping or pivoting as in basketball or soccer

Strenuous activities like heavy physical work, skiing or tennis

Moderate activities like moderate physical work, running or jogging

Light activities like walking, housework or yard work

Unable to perform any of the above activities due to knee pain

2. During the past 4 weeks, or since your injury, how often have you had pain? (0 = Never, 10 = Constant)

No Pain

Severe Pain

3. If you have pain, how severe is it? (0 = No pain, 10 = Worst pain imaginable)

No Pain

Severe Pain

4. During the past 4 weeks, or since your injury, how stiff or swollen was your knee?

Not at all

Mildly

Moderately

Very

Extremely

5. What is the highest level of activity you can perform without significant swelling in your knee?

Very strenuous activities like jumping or pivoting as in basketball or soccer

Strenuous activities like heavy physical work, skiing or tennis

Moderate activities like moderate physical work, running or jogging

Light activities like walking, housework, or yard work

Unable to perform any of the above activities due to knee swelling

6. During the past 4 weeks, or since your injury, did your knee lock or catch?

Yes

7. What is the highest level of activity you can perform without significant giving way in your knee?

Very strenuous activities like jumping or pivoting as in basketball or soccer

Strenuous activities like heavy physical work, skiing or tennis

Moderate activities like moderate physical work, running or jogging

Light activities like walking, housework or yard work

Unable to perform any of the above activities due to giving way of the knee

Sports activities

8. What is the highest level of activity you can participate in on a regular basis?

Very strenuous activities like jumping or pivoting as in basketball or soccer

Strenuous activities like heavy physical work, skiing or tennis

Moderate activities like moderate physical work, running or jogging

Light activities like walking, housework or yard work

Unable to perform any of the above activities due to knee

9a. How does your knee affect your ability to go up stairs?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9b. How does your knee affect your ability to go down stairs?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9c. How does your knee affect your ability to kneel on the front of your knee?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9d. How does your knee affect your ability to squat?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9e. How does your knee affect your ability to sit with your knee bent?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9f. How does your knee affect your ability to rise from a chair?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9g. How does your knee affect your ability to run straight ahead?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9h. How does your knee affect your ability to jump and land on your involved leg?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

9i. How does your knee affect your ability to stop and start quickly?

Not difficult at all

Minimally difficult

Moderately difficult

Extremely difficult

Unable to do

Function

10a. Function prior to your knee injury (0 = Couldn't perform daily activities, 10 = No limitation in daily activities). This item is for context only and is not included in your IKDC score.

No Pain

Severe Pain

10b. Current function of your knee (0 = Can't perform daily activities, 10 = No limitation in daily activities; 10 = normal, excellent function).

No Pain

Severe Pain

Patient Watch Form - 5/1/2026