Jaw tension is easy to underestimate. You may notice that you clench your teeth while working, wake with a tired jaw, feel tenderness around the cheeks or temples, or develop headaches after long periods of concentration or stress. One of the main muscles involved is the masseter—a powerful chewing muscle running from the cheekbone to the lower jaw. What many clients do not realise is that the masseter can be approached from the outside of the cheek and, when appropriate, fro