It refers to a quadrilateral muscle that is joined very closely to the superficial fascia. Some anatomists regard it to be a section of the occipitofrontalis muscle.
Frontalis - appearance
It is thin in appearance and does not have any bony attachments. However, it is broader in shape than the Occiptalis. It has fibers that are longer and paler in color. These fibers point upwards to the region where they meet galea aponeurotica under the coronal suture.
The immediate fibers of the muscle blend with Corrugator and Orbicularis oculi. They are joined to the skin of the eyebrows. Its lateral fibers belnd with the second muscle over the frontal bone zygomatic process while the medial fibers run constant with the media fibers of the Procerus.
The following images would help you know how this muscle appears to view.
Frontalis - origin
It has its pont of origin at the galea aponeurotica.
Frontalis - location
It is situated at the anterior end of the head.
Frontalis - function
The muscle is mainly responsible for helping humans elevate their eyebrows, especially while looking up. It is also useful in the adjustment of vision while viewing extremely distant or dim objects.
Frontalis - Picture
Find out the location of this useful muscle from these images.
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