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Ever raise your eyebrows in disbelief? Or squeeze them together in confusion? That’s your frontalisFrontalis Elevator / Brow raiser Across your forehead; raises your eyebrows and wrinkles your forehe and it’s getting a workout in this class.

Photography, text, and labels by Rob Swatski, Assistant Professor of Biology, Harrisburg Area Community College – York Campus, York, PA.
Frontalis Origin
The frontalis muscle originates from the galea aponeurotica. This is a broad, fibrous sheet. It forms the upper part of the epicranial aponeurosis. The galea aponeurotica extends across the top of the skull. It connects the frontalis muscle to the occipitalisOccipitalis Extensor / Scalp puller At the back of your head; pulls the scalp backward. muscle at the back of the headRounded proximal end that fits into the acetabulum of the hip bone.. This aponeurosis serves as a common attachment site for both the frontalis and occipitalis muscles. It allows them to work together to move the scalp.
Frontalis Insertion
The frontalis muscle fibers originate and run downward. They converge into the skinThe body’s largest organ, providing protection and regulation. of the forehead and the eyebrow region. The insertion points are primarily located in the skin above the eyebrows and in the horizontal folds of the forehead. This insertion allows the frontalis to exert its effects on the skin of the forehead, creating various facial expressions.
Frontalis Actions
Raising the Eyebrows
Creating Horizontal Wrinkles on the Forehead
Interactive Materials
🩻 Draw on an Image
Use your mouse or finger to draw directly on the image. Change your highlighter color, undo or redo strokes, clear, or download your annotated image.
💡 Tip: Switch between draw mode and text mode. Click on the canvas to add text labels!
Identify More Muscles
Link to more Muscle Identification
Upper Arm Muscles
Forearm Muscles
Calf Muscles
Anterior Thigh Muscles
Posterior Thigh Muscles
Knee Structures
Chest Muscles
Back Muscles
Abdominal Muscles
Neck Muscles
Head Muscles
List of terms
- frontalis
- occipitalis
- head
- skin