Head Muscles Anatomy

The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull hyoid bone auditory ossicles and cervical spine. The tongue comprises of intrinsic and extrinsic muscles.

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The depressor labii inferioris is an analogous muscle that lowers the bottom lip.

Head muscles anatomy. The neck muscles including the sternocleidomastoid and the trapezius are responsible for the gross motor movement in the muscular system of the head and neck. The muscles of the middle ear contract to dampen the amplitude of vibrations from the eardrum to the inner ear. It receives motor innervation from the hypoglossal nerve.

The muscles of the face give it general form and contour help you outwardly express your feelings and enable you to chew your food. The muscles of the head include the tongue muscles of facial expression extra ocular muscles and muscles of mastication. Teachme anatomy part of the teachme series the medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes.

Other muscles of the mouth. This muscle originates at the side of the nose and has several insertion points on either side of the nose extending down to the lip and inserting at both lateral and frontal portions of the upper lip. In addition to large muscles areas of the face such as the cheeks have many smaller muscles that work when you do simple things such as smile laugh or cry.

The head rests on the top part of the vertebral column with the skull joining at c1 the first cervical vertebra known as the atlas.

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