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voluntary muscle
foreheadThe corrugator is the muscle that contracts the forehead into wrinkles and pulls the eyebrows together.
Muscle located beneath the frontalis and orbicularis oculi is called corrugator muscle. It draws the eyebrow down and wrinkles the forehead vertically.
Currugator muscle draws the eyebrow down and wrinkles the forehead
yes, one would have the laugh lines or wrinkles in the forehead, etc because of the specified area muscle movement.
you can yous proacttive
the frontal belly of the epicranius
Nothing particularly.
Wrinkles.
Wrinkles the skin of the forehead & elevates the eyebrows
no..only if your frowning
It could depending on how you express it. I know when I'm sarcastic I tend to raise my eyebrows which gives me horizontal forehead wrinkles.