Neck strain is usually due to acute injury to the cervical spine, which is part of the spinal column surrounded the neck of the person. Neck pain often strain the muscles in the neck. Often occur when a person strongly presided pressure remote backward or forward, a phenomenon known as infection. It may also be due to neck strain of object landing on top of the head of anyone. Damage to vital infrastructure for people such as airway or blood vessels that supply the brain, usually are not part of the definition of neck strain. automobile accidents, one of the main causes of tension in neck muscles. For example, if a car suddenly stopped, the person has been wearing a seatbelt. The individuals who work in jobs requiring extended neck also can suffer from shoulder and neck fatigue. Individuals suffering from neck strain due to repeated poor position during sleep, or even when awake.