1.Stand against a wall, with your head, shoulders and back touching the wall. Don’t slouch!
2.Keeping your head against the wall, pull your chin backwards. Imagine you are trying to hold a pen under your chin.
3.Hold in this position for a few seconds.
4.Relax and return to the starting position.
5.Repeat 10 times, once a day.
An other option is to use a soft ball for a more intens excersise