•Sleeping in a position that strains the neck muscles
•Sports injuries that strain the neck
•Any activity that involves repeatedly turning the head from side to side, such as swimming the front crawl stroke
•Poor posture, such as slouching while viewing the computer monitor
•Excessive stress, which can lead to tension in the neck
•Holding the neck in an abnormal position for a long period, such as cradling a phone between the neck and shoulder.