As people age, the shape of their face begins to change. As fat builds up in the neck, the skin begins to sag and the jaw muscles begin to shrink. This may cause your jawline to become less defined.

The temporomandibular joint (TMJ) is the hinge-like bone that connects your jaw and your skull. You can feel it moving by pressing your index fingers to your cheeks and opening and closing your mouth.

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 ...

If you have a weak jawline, also known as a weak jaw or weak chin, it means that your jawline isn’t well-defined. The edge of your chin or jaw may have a soft, rounded angle. The term might also refer ...

Several treatments are available that can help alleviate jaw tightness and reduce the frequency of temporomandibular joint (TMJ) flare-ups. While these methods can provide relief, TMJ is typically not ...