Human anatomy still has a few surprises in store for us: researchers at the University of Basel have discovered a previously overlooked section of our jaw muscles and described this layer in detail ...

The newly discovered muscle layer runs from the back of the cheekbone to the anterior muscular process of the lower jaw. (S= superficial layer, D= deep layer, C= coronoid layer) Jens. C. Türp, ...

A tight jaw can result from stress, anxiety, inflammation, or injury. Overexerting the jaw, such as by chewing too much, can also cause muscle tightness. Treatment can depend on the cause. Preventive ...