There are many reasons why a turn of the neck pulls a tendon of pain in the back, mostly related to muscle strain, muscle spasm, cervical spondylosis, and so on. 1. Muscle strain: long-term incorrect work posture or long-term head down to play the phone, the muscles are in a state of prolonged tension, the duration of too long will lead to muscle strain, thus appearing neck a turn pull back a tendon pain. 2. Muscle spasm: cold and other factors lead to muscle spasm, there will be a turn of the neck and pull the back tendon pain phenomenon. 3. Cervical spondylosis: cervical spondylosis compresses the nerves, and the muscles in the innervated area will produce pain and discomfort, which can be aggravated when turning the neck. There may also be other reasons for neck pain, such as acute pillow fall. When there is a long time back a tendon pain can not be relieved, it is recommended to consult a doctor in a timely manner, improve the relevant examination, clear the cause of the disease for targeted treatment and treatment.