What is IPC (intermittent pneumatic compression) ? Air chambers and air pumps are used to produce air compression massage for the legs and waist. Through the repeated sequential and intermittent inflation and deflation of the air chambers, air compression therapy is effective in promoting good blood and lymph circulation, improving metabolism and expanding blood vessels in the body. IPC therapy as a physical therapy method which is widely adopted by physiotherapist to make treatment for lymph edema relief, poor blood circulation, sports recovery, limb paralysis and limb pain relief.