The squeezing and pulling also flushes lactic acid from the muscles andimprovesthecirculationof the lymph fluid which carries metabolic waste away from muscles and internal organs, resulting in lowerbloodpressure and improved body function. Improvedblood circulationis e benefit ofmassagetherapy. Applying warm water pack will cause your arteries and veins to expand, which gives more space forbloodtoflow.