The knee joint is called Janu Sandhi in Sanskrit; hence the name Janu Vasti is given to the procedure done on knee joints. In this the
knee joint is bathed with warm medicated oil or freshly prepared herbal decoction. The medicated oil is retained over the knee joint.
Depending on the condition it can be practiced over both the knee joints or on one knee joint. Knee joints are considered as sandhi
Marma in Ayurveda. So the januvasti is specialized knee therapy or massage which rejuvenate the janumarma.
This treatment is very effective in treating different conditions of the knee joints like arthritis degenerative conditions etc.