Lead to persistent muscle spasm: cause muscle damage somewhere, stay nervous for a long time and then have spasm. Keep the muscles of a certain part beating continuously, which cannot be relieved for a long time. Muscle weakness: Massage instrument makes local muscles contract and relax by electromagnetic pulse, thus relieving fatigue. Long-term overuse may lead to muscle weakness. Aggravate some diseases: it may lead to aggravation of local muscle injury.

1, which may lead to persistent muscle spasm. This situation can be seen when patients choose unqualified products or temporarily use excessive stimulation. At this time, it may cause the muscles in a certain place to remain tense for a long time, and then spasm may occur. Some patients use too much stimulation, and after using this massage instrument, the muscles in a certain part may continue to beat, and it will not be relieved for a long time.

2. After using this massager, it may lead to muscle weakness in patients for a period of time. This massage instrument mainly relaxes local muscle contraction through electromagnetic pulse, thus relieving fatigue, but if it is used excessively for a long time, it may lead to muscle weakness.

3. It may aggravate some diseases. For example, when the patient has muscle strain in some parts, if this massage instrument is used, it may lead to the aggravation of local muscle injury.