1. 

Are you 45 years of age or older?
   

2. 

Have you ever had an injury to your knee severe enough to put you in bed; to force you to use a cane, crutch or brace; or to require surgery?
   

3. 

Are you more than 10 pounds overweight?
   

4. 

Have you in the past or do you currently, participate in greater than 3 hours per day of heavy physical activites, such as bending, lifting, or carrying items on a regular basis?
   

5. 

Did you have hip problems that caused you to limp as a child?