Massage involves working and acting on the body with pressure – structured, unstructured, stationary, or moving – tension, motion, or vibration, done manually or with mechanical aids. Massage can be applied with the hands, fingers, elbows, knees, forearm, feet, or a massage device. Depending on the application and technique used, massage is used to promote relaxation and well-being,  and is beneficial in treating sports injuries and other problems affecting the musculature of the body such as postural misalignment and many painful conditions.