Your neck pain or stiffness is accompanied with numbness and tingling sensations which will even unfold towards your hand Joint Instability feels like your arm is slipping out of its socket, or you have minimal control in excess of its mobility. This possible stems from a distinct condition, like tendonitis. https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/