Head, Neck, and Face muscles

INFERIOR LONGITUDINAL LINGUAE MUSCLE

Tongue is made up of a group of muscles. There are two major types of tongue muscles: intrinsic muscles and extrinsic muscles. The 4 intrinsic muscles of the tongue are those situated inside the tongue. The 4 extrinsic muscles of the tongue are those that attach to the outside of the tongue from the jaw. Inferior longitudinal linguae muscle is an intrinsic muscle of the tongue.

Published December 22, 2021

Origin

Hyoid bone, submucosa of the tongue.

Insertion

Submucosa of the tongue.

Blood supply

Lingual artery, tonsillar artery.

Nerve supply

Hypoglossal nerve.

Action

The intrinsic muscles alter the shape of the tongue in order to carry out functions like swallowing, talking, and whistling.

Disease/Injury

Neurological damage or diseases of hypoglossal nerve, such as pseudobulbar palsy, can cause loss of movements of the tongue. Lack of use can also weaken the tongue and lose the ability to form words and guide food properly.

Muscle Exercises

Interesting Facts