Tilt your head to one side and then to the other. Slowly tuck our chins and bring our head forward. Roll it around to the other shoulder. Stop, so that you do not hyper extend and go outside the parameters of a normal, cervical movement.
Put your arm across your body and pull towards you, either above or below the elbow, but never on the elbow. You should feel it all the way in your deltoid and then you can repeat it on the opposite side.