How does cervical vertebra cause arm numbness to do

Cervical spondylosis is serious, if the nerve blood vessels are compressed, it will cause the arm to show numbness symptoms. Clinically, some neurotrophic drugs can be taken orally, such as methylcobalamin, neurotropin, vitamin B1 and other auxiliary treatments. Some Chinese patent medicines for relaxing muscles and activating blood circulation, such as Jingfukang granules, can also be taken for auxiliary treatment. The above drugs should be used under the guidance of professional doctors in regular hospitals. In addition, acupuncture, massage, moderate massage, physical therapy, etc. can also be done to relieve the tension of neck muscles, obviously relieve the compression of nerves in the diseased parts of cervical spine, and thus relieve the clinical symptoms of arm numbness.