The chin nod stretch otherwise known as a deep neck flexor strengthening exercise is great for those suffering with chronic neck pain or acute injuries such as whiplash.
Lie down with a soft pillow under your neck, and with your knees bent up.
Gently and slowly nod your head forward as if to say ‘yes’.
Feel the muscles at the front of your neck.
Stop the nodding action just before you feel the front muscles hardening.
Hold the nod position for five seconds and then relax.
Gently move your head back to the normal start position