Arm pain like cramps is usually caused by pathological factors, such as cervical spondylosis, neuropathy, tumor compression, etc. It is recommended to seek medical treatment in time and according to the cause of the appropriate treatment. 1. Cervical spondylosis: If the herniated intervertebral disc presses on the nerve root, the nerve root is stimulated, and the area it innervates may have radiating pain and numbness, which radiates to the arm, and may cause pain in the arm, like cramps. 2. Neuropathy: If peripheral neuropathy in the neck or brain is caused by various reasons such as chronic viral infection, nutritional and metabolic disorders, etc., it may cause damage to the nerves innervating the arm, resulting in increased muscle tone and muscle atrophy in the arm, which may cause arm pain like cramps. 3. Tumor compression: if there is osteosarcoma, osteoblastoma and other tumors in the peripheral nerves, such as ulnar nerve, median nerve and other peripheral nerves, which may lead to arm pain like cramps. In addition to the above reasons, trauma, rheumatic diseases may also lead to arm pain like cramps. If you have arm pain, go to the regular hospital in time, complete the relevant examination under the guidance of the doctor and follow the doctor’s instructions to treat it actively.