14/06/2026
Do you clench your jaw without realizing it? Wake up with headaches? Notice clicking, popping, or fatigue in your jaw by the end of the day? Maybe the area under your chin feels tight, or the front of your neck seems to be working harder than it should.
The digastric is part of the suprahyoid muscle group and has a unique structure. It consists of two muscle bellies connected by a small tendon, linking the jaw, the hyoid bone, and the base of the skull. Despite its size, it plays an important role in everyday functions.
This muscle helps open the mouth, assists with swallowing, and supports the coordinated movements involved in chewing, speaking, yawning, and tongue function.
The hyoid is the only bone in the body that doesn't directly connect to another bone. Instead, it is suspended within a network of muscles and fascia that link the jaw, tongue, throat, and neck. Because of this, tension or restriction in the digastric can have effects far beyond the area beneath the chin.
In bodywork, this muscle often deserves attention when working with clients who experience TMJ issues, jaw clenching, headaches, forward head posture, neck tension, mouth breathing, snoring, airway challenges, or even speech-related concerns. Improving mobility in this region can positively influence breathing, swallowing, speech, and overall jaw mechanics.
The digastric may not get much attention, but it sits at an important crossroads between the jaw, neck, tongue, and airway.
Sometimes the smallest muscles have the biggest influence. 🥰
Sarah 🧙♀️🪄