Neck: Triangles and Muscles Flashcards
What are the borders of the anterior triangle of the neck
Anterior: SCM
Inferior: Mandible
Midline of neck
What are the borders of the posterior triangle of the neck
SCM
Trapezius
Clavicle
Occipital bone
What divides the posterior triangle
Omohyoid muscle
What does the omohyoid muscle divide the posterior triangle into
occipital and supraclavicular triangles
What are the divisions of the anterior triangle
Carotid
Submandibular
Submental
muscular triangle
What are the borders of the submandibular triangle
mandible
digastric muscle bellies
What are the borders of the submental triangle
hyoid bone
anterior belly digastric
What are the borders of the muscular triangle
SCM
Superior omohyoid
hyoid bone
What are the borders of the carotid triangle
superior omohyoid
SCM
posterior digastric and stylohyoid
What are the attachments of stylohyoid
syloid process
hyoid bone
What is the function of stylohyoid
elevation of hyoid
What is the innervation of stylohyoid
CNVII
What are the attachments of the digastric muscle
digastric fossa of mandible
mastoid notch
hyoid bone
What is function of digastric muscle
elevation of hyoid
What is the innervation of digastric muscle
anterior belly: V3
posterior belly: VII
What are the attachments of mylohyoid
hyoid bone
mylohyoid line of mandible
What are the functions of mylohyoid
elevation of hyoid
What is the innervation of mylohyoid
CN V3