Traumatic Injury
Injuries due to accident or any other reason can also be a cause of trigger finger. When a person faces a heavy accident that has affected his fingers, there is a strong possibility that the sheath of his hand will be escalated or inflamed. When the hand gets injured the tendons or ligaments can get a surge or even rapture depending upon the type of injury, in such case the person can have multiple disorders including trigger finger or damage of hand muscles. So traumatic injury can be a cause of trigger finger.