Frontalis Muscle: Where It Is, How to Strengthen and Activate It, Exercises, Isometric Holds, and Signs It’s Weak

The frontalis is the muscle that covers the forehead and lifts the eyebrows. It is one of the main muscles of facial expression, and most people use it daily without thinking about it. Some people overuse it (constant eyebrow raising, “surprised” forehead tension), while others barely use it (a flatter, less active forehead). Either way, […]