In the category of health care, () refers to a health care method that massages some parts or acupoints of the human body with the skills of hands and fingers, so as to achieve the purpose of prevention and health care. Answer: b

Massage, which is called "rubbing webbed feet" in ancient times, is one of the traditional health care methods in China. Massage some parts or acupoints of the human body with the skills of hands and fingers, so as to achieve the purpose of prevention and health care, which is called health care massage. Health massage mainly promotes the whole metabolism by stimulating local parts of the body, so as to adjust the coordination and unity of the functions of various parts of the human body, maintain the relative balance of yin and yang, and enhance the body's natural disease resistance. Achieve the effects of relaxing muscles and tendons, promoting blood circulation, strengthening body and preventing diseases.