The term kati refers to low back region. It is procedure where by medicated oil is retained for a certain period of time in the low back area. A completely sealed walled boundary is made with the paste of black gram powder or wheat powder in the kati (low back) region. The medicated oil is heated till it becomes lukewarm. This lukewarm medicated oil is then poured in to the space inside the walled boundary in a constant and continuous stream. It is retained there for a particular period of time. The medicated oil is soaked up, heated to becomes lukewarm and poured back again by adding fresh oil in it. This repeated during the whole procedure. It helps in strengthening the muscles especially those in the low back region. It helps in alleviating neuronal complaints, lumbago and sciatica. The treatment is also effective in muscular spasm and inflammations in the low back region. Dhaanwantaram tailam, Sahacharady thailam, kottomchukkadi thailam, murivenna, karpoora thailam etc. are some of the medicated oils used for the treatment. The ayurvedic oils for the treatment are selecting depending up on the conditions of the patient or direction of the physician. The duration of the treatment varies from 30 to 40 minutes depending up on the condition of the individual. The course of treatment depending up on the directions of the physician or the conditions of the individuals.
Benefits of kati vasti are relieves occupational tension build-ups, stiffness, spasms, pains and aches, and is very effective for sciatic pains and scolyosis.