Cupping cans can’t suck, may be too low negative pressure, alcohol concentration is too low, muscle is not full enough and so on, cupping should be carried out under the guidance of a doctor.
1. Negative pressure is too low: there are many kinds of cans, bamboo cans, glass cans, plexiglass cans and engineering resin pumping cans. Before cupping to check whether the can has cracks, leaks, negative pressure is too low will lead to the can adsorption can not.
2. alcohol concentration is too low: cupping flash fire to use 90% concentration of alcohol cotton balls, in the tank speed sweep a week after the extraction of rapid cover on the skin, alcohol concentration is too low or too slow operation will lead to adsorption can not be.
3. Muscle is not full: the location of the acupoints are different local muscle, bone structure is different, waist and back muscle is easy to adsorption, you can use the mouth diameter of the jar operation is relatively large, and near the joints, neck, head and face muscles are not full, if the elderly skin laxity, the use of the mouth diameter of the jar is small and the parts of the jar operation to match can be very good adsorption.
Cupping should be carried out under the guidance of a doctor, so as not to delay the condition or cause adverse reactions.