Suprahyoid Muscles

Description

Illustrated suprahyoid muscles with attachment sites and innervation. The suprahyoid and thyrohyoid muscles are thought to open the upper esophageal sphincter (UES), in addition to other functions

Suprahyoid Muscle Group

Name

• Suprahyoid Muscle Group
• Suprahyoid group
• Floor-of-mouth muscles
• Muscles superior to the hyoid
• Supra-hyoid musculature

General

• Consists of four muscles located above the hyoid bone in the neck
• They are all pharyngeal muscles with the exception of mylohyoid

Muscles

• Digastric Muscle
• Stylohyoid Muscle
• Geniohyoid Muscle
• Mylohyoid Muscle

Function

• They all act to elevate the hyoid bone

Vascular Supply

• Branches of:
  • Facial artery
  • Occipital artery
  • Lingual artery

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Clinical Significance

• Needs to be updated

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See Also

• Neck Pain Main
• Neck Anatomy Main
• Physical Exam Neck

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