The DGYAO Deep Healing Pad is for YOU if you experience lower or upper back pain from. Invisible near infrared energy are absorbed by muscle, subcutaneous tissue, which results in THERMAL EFFECT. Your body responds to the radiation heat with increased blood flow, allowing the parts of the body to receive oxygen and nutrients they need in order to function more effectively, regeneration is stimulated, eliminate swelling and promote inflammation dissipation when treating chronic inflammation.