Nasalis
Anatomical Info
-
Position:
Anteroir -
Region:
Head -
Plane:
Frontal
Muscle Characteristics:
-
Movement:
Flexion -
Muscle Shape:
Pennate
Nerve:
Nerve
System
Spinal Plexus
Division
Trunk
Branch
Roots
Description
The Nasalis muscle is a paired muscle located in the nose that is responsible for controlling the shape and size of the nostrils. It is made up of two parts: the transverse part and the alar part.
The transverse part of the Nasalis muscle is located near the bridge of the nose and is responsible for flaring the nostrils. It works in opposition to the alar part, which is located near the opening of the nostrils and is responsible for constricting the nostrils.
The nasalis muscle is used in a variety of facial expressions, including sniffing, sneezing, and expressing disgust or disdain. It is also involved in conveying emotions such as excitement, surprise, and anger through facial expressions.
The importance of the nasalis muscle lies in its role in regulating the flow of air through the nose. By controlling the size and shape of the nostrils, it helps to regulate the flow of air during breathing and can help to filter out harmful particles from the air.
Muscle Engaging Sports
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