@178anatomy: YOUR HAND NUMBNESS MAY BE COMING FROM YOUR NECK. Cervical nerve-root irritation can influence the brachial plexus and create symptoms through the shoulder, arm, hand, or fingers. The area where symptoms are felt is not always the true mechanical source. #CervicalRadiculopathy #PinchedNerve #ArmNumbness #CervicalSpine #MedicalAnatomy