The neck is the part of the body on many vertebrates that connects the head with the torso and provides the mobility and movements of the head. The most common neck injuries include: Neck sprain or strain – A sprain can happen when ligaments in the neck are torn. A strain refers to a torn muscle or tendon. This can occur as a result of a sudden injury during physical activity or even a minor car accident. Using the correct product can help to facilitate healing and recovery.