1

Does your knee cause you constant pain?

• Yes
• No

2

Are you developing knee deformity like knock-knees or bow-legs?

• Yes
• No

3

Can you no longer fully straighten your knee joint?

• Yes
• Sometimes
• No

4

Does anti-inflammatory medication no longer work?

• Yes
• Sometimes
• No

5

Is the distance you can walk getting shorter?

• Yes
• No

6

Does your knee grind or click?

• Yes
• Sometimes
• No