You want to know the treatment for a tendon pain in your arm when you move it, and know what causes the tendon pain in your arm. There are several common causes of arm tendon pain: first, it may be due to excessive exercise, a large amount of lactic acid accumulation in the arm, too late to dissipate it will lead to arm tendon pain, if this is the cause, no special treatment, need to rest for a period of time will be able to relieve themselves. If the arm tendon pain is caused by sports injuries, such as strains, it needs to be treated, for example, through acupuncture and massage, which can unblock the meridians and speed up the repair of damaged tendons. Secondly, if the pain is caused by cervical spondylosis pressing on the nerves that control the arm, it must be treated for cervical spondylosis, not just simply treating the pain in the arm, otherwise it will not be very effective.