Muscle stiffness is the sensation of tight, cramped or painful muscles. You’ve possible skilled muscle mass stiffness at some time in your lifetime. Accidents. Rear-conclusion car collisions generally end in whiplash injuries. This occurs when the head jerks backward after which forward, straining the soft tissues of the neck. Google https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/