Do not use the massage gun on the head, face, elbows, knees and other joints, spine or other bony areas with minimal muscle coverage. Do not use the massage gun on the sides, front or back (cervical vertebrae) of the neck to avoid damages to the carotid sinus. Otherwise, it could lead to fainting and cardiac arrest. Do not use the massage gun on the underarms, the inside of upper arm, the inner side of clavicle, the inside of elbow, the back of knee, the abdomen, the kidney area, the genitals or other fragile areas with dense nerves and blood vessels.
Do not use the massage gun below the abdomen of persons with urinary diseases, such as kidney stones, ureteral stones, bladder stones, urethral stones, urinary tract infections, etc. Do not use the massage gun on the body areas with bruises or pain, surface wounds, local fever, red swelling or discomfort, inflammation, muscle spasms, muscle lacerations, acute sprains, contusions, and strains. Do not use the massage gun if symptoms such as fever, nausea, vomiting, or muscle pain or weakness occur afer strenuous exercise, and medical atention should be sought immediately. Do not use the massage gun on persons with the following diseases:
cardiovascular and cerebrovascular diseases, blood diseases, coagulation disorders, thrombocytopenic purpura, neck plaque, varicose veins, venous thrombosis, cancer, tumors, and mental illness. Do not use the massage gun on persons with fractures or metal implants. Do not use the massage gun while driving or conducting precise operations. Do not use the massage gun continuously for a prolonged period of time, so as to prevent muscle damage caused by excessive massaging.