Work out in order to counterbalance your monotonous or non-use of muscle groups in the neck.
Watch out for psychological stress (pressure at work) ouching and try to avoid it. Factors such as stress or loading yourself with too much work or responsibility can greatly contribute to tenseness.
Find out what personal triggers of tension (stress, conflicts etc.) are, what role they play and what you can do to reduce them.
TENSE MUSCLES ARE OFTEN THE RESULT OF STRESSIf you work in an office environment, use any chance that you get to move around and get seome exercise. Walk or bike to the office, take the lift... Getting enough oxygen also helps to relax muscles and can prevent stress from building up in the muscles of the neck and shoulders.