It is a relatively common cause of injury to the neck and occurs when a persons neck experiences a sudden, unrestrained forward, backwards or sideways movement, often in a road traffic accident. This results in the soft tissues of the neck becoming stretched and damaged. 

Symptoms.

You may develop one or more of the following symptoms, usually within the first few days after the injury: Neck pain and stiffness, Headaches. Pain in the shoulder or between the shoulder blades.

These problems can last for several weeks and its important you seek Osteopathic and medical advice on the correct treatment and exercise regime. Soft tissue damage, if left unchecked, can lead to more chronic pain problems.