Difference between eliptical vs treadmil osteoarthritis?

Restate question: Osteoarthritis is a disease of a joint. Tredmill and elliptical are not adjectives used to qualify osteoarthritis.If you mean does treadmill exercise effect osteoarthritis more than elliptical exercises, the answer is "yes" if you are talking about the hip knee or ankle joints. Treadnmill exercise is high impact if you are running.