The main causes of undressing upper arm muscle pain include aseptic inflammation and cervical spondylosis.
1. Aseptic inflammation: long-term fatigue injury of muscles, cold and other factors can induce aseptic inflammation in the soft tissues of the upper arm. The mechanism is due to the anaerobic metabolism of muscles or local vasoconstriction, resulting in the accumulation of metabolites such as lactic acid, leukotrienes, oxygen free radicals, etc., which stimulate the nerve roots and give rise to muscle pain symptoms.
2. Cervical spondylosis: Cervical spondylosis is mainly due to degenerative lesions in the cervical intervertebral discs, and the proliferation of bony cumbers or intervertebral discs will compress or stimulate the nerves in the spinal canal and spinal nerves, resulting in pain and numbness in the innervated area. The radicular pain of sympathetic cervical spondylosis is a typical symptom, and electric shock-like pain such as that in the neck, shoulder, and upper extremities can occur during activities.
Simply based on the symptoms of upper arm muscle pain when undressing can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results in order to make an accurate judgment, it is recommended that under the guidance of the doctor to clarify the cause and targeted treatment.