>> reporter: the more i look into this the more i think that may be the case. there was a big study in 2006 in the archives of internal medicine that looked at massage and found that people with problems of arthritis of the knee that had swedish massage for eight weeks in a proceed showed significant improvement in how their muscle function, less fatigue. the muscles get very tense. by relaxing them you can do a lot more especially when you have art right us. i want to explain what i mean by swedish massage, that is the most common used. deep circular motions, kneading, vie basing. jenna vibration. jenna: this is an attempt to get a massage chair in the fox newsroom. you go to a spa and get the lavender oil and all that or does it have to be a real true medical massage by a professional, a doctor. >> reporter: it doesn't have to