- May 2, 2026The frontalis is the forehead muscle, the only elevator of the eyebrow, running from the galea aponeurotica to the eyebrow…
- May 2, 2026The corrugator supercilii is a small pyramidal muscle under the medial frontalis, pulling the eyebrow medially and downward to create…
- May 2, 2026The depressor anguli oris is a triangular muscle pulling the corner of the mouth downward, the antagonist of the zygomaticus…
- May 2, 2026The buccinator is the muscle of the cheek, forming the muscular wall of the buccal vestibule and maintaining food between…
- May 2, 2026The risorius is a variable and inconsistent muscle present in approximately 50 percent of people, pulling the mouth corner laterally…
- May 2, 2026The mentalis is the primary muscle of chin expression, producing the characteristic cobblestone or dimpled chin appearance of uncertainty, pouting,…
- May 2, 2026The four suboccipital muscles form the floor of the suboccipital triangle, a small but neurologically significant space at the base…
- May 2, 2026The masseter is the most powerful jaw-closing muscle per unit cross-sectional area in the body, capable of generating bite forces…
- May 2, 2026The temporalis is a large, fan-shaped muscle filling the temporal fossa on the side of the skull, its fibres converging…
- May 2, 2026The medial pterygoid is a thick, quadrilateral muscle forming the medial sling of the temporomandibular joint in concert with the…