What does genioglossus muscle mean?
The genioglossus muscle is a fan-shaped muscle that is involved in forming most of the tongue mass. It emerges from the superior mental spines and inserts on the hyoid bone as well as the inferior portion of the tongue.
Which muscle is the antagonist to the genioglossus?
Styloglossus
Function: Styloglossus elevates and draws back the tongue, acting as an antagonist to genioglossus. These two muscles work together to position the tongue for most vowels.
Why is it called genioglossus?
The name of the genioglossus muscle comes from the Greek words genion (chin) and glossa (tongue). The genioglossus muscle is innervated by the cranial nerve XII, which is also known as the hypoglossal nerve. This muscle receives its blood supply from both the lingual artery and facial artery.
What is genioglossus innervation?
The genioglossus is innervated by the hypoglossal nerve, as are all muscles of the tongue except for the palatoglossus. Blood is supplied to the sublingual branch of the lingual artery, a branch of the external carotid artery. The canine genioglossus muscle has been divided into horizontal and oblique compartments.
What is the origin of the genioglossus muscle?
Geniohyoid muscle
| Origin | Inferior mental spine (inferior genial tubercle) |
|---|---|
| Insertion | Body of the hyoid bone |
| Action | Elevates and draws hyoid bone anteriorly; shortens the mouth floor; widens pharynx |
| Innervation | Anterior ramus of spinal nerve C1 (via hypoglossal nerve) |
| Blood supply | Sublingual branch of the lingual artery |
Why is genioglossus Called Life Saving muscle?
why genioglossus muscle is called as safety muscle of tongue?? Bcoz genioglossus helps in protruding the tongue. It keeps the tongue protruded. If the person falls unconscious or if u observe an epileptic attack, then the pt’s tongue may fall back due to temporary loss of motor control on tongue muscle.
Why is genioglossus called safety muscle?
Genioglossus is called as the safety muscle of tongue because genioglossus helps in protruding the tongue. It keeps the tongue protruded. If the person falls unconscious or if you observe an epileptic attack, then the person’s tongue may fall back due to temporary loss of motor control on tongue muscle.
Does the genioglossus move the mandible?
The genioglossus is the largest muscle of the tongue, and it attaches on the central area on the inner side of the lower jaw. Genioglossus advancement captures this area of bony attachment and moves it forward.
Why is genioglossus called the safety muscle?
Is the genioglossus muscle intrinsic or extrinsic?
extrinsic muscles
The extrinsic muscles of the tongue Genioglossus: arises from mandibular symphysis and inserts into the body of the hyoid/full length of tongue. It protrudes, depresses, and draws the tip of the tongue back and down.
Can you exercise your uvula?
Push the tip of your tongue against the roof of your mouth and slide it backward 20 times. Suck your tongue upward against the roof of your mouth 20 times. Push the back of your tongue down while keeping the tip touching the inside of your front teeth 20 times. Lift your soft palate and uvula 20 times.