Could 'cupping' ease chronic knee pain? By ROGER DOBSON FOR THE MAIL ON SUNDAY Updated: 19:43 EDT, 12 April 2010 . 3. View comments. ... resulting in swelling.

A swollen knee can be caused when your knee is hit and the thin sac around the kneecap, known as the bursa, swells. Tiffany Raymond Q. Last week, I was working in the yard and banged my left knee ...

Half the 60 patients received cupping therapy, while the other half got no treatment at all. Patients who underwent cupping did report a significant improvement in pain compared to those who didn’t.