24 Questions
Which nerve innervates the posterior belly of the digastric muscle?
Facial nerve
What nerve innervates the anterior belly of the digastric muscle?
Inferior alveolar nerve
Where does the mylohyoid muscle originate?
Mylohyoid line of the mandible
What action does the geniohyoid muscle perform?
Depresses the mandible and elevates the hyoid bone
Which nerve innervates the geniohyoid muscle?
C1 nerve roots within the hypoglossal nerve
What is the arterial supply to the infrahyoid muscles?
Superior and inferior thyroid arteries
What is the action of the sternohyoid muscle?
Depresses the hyoid bone
Which nerve innervates the scalene muscles?
Anterior rami of C5-C6
Where does the thyrohyoid muscle originate from?
Thyroid cartilage of the larynx
What is the function of the anterior scalene muscle?
Elevation of the first rib
Which muscles converge into one large belly that inserts into the first rib?
Middle scalene
What happens when the hyoid bone is fixed and the thyrohyoid muscle contracts?
Can elevate the larynx
What is the origin of Rectus Capitis Posterior Minor muscle?
Posterior tubercle of C1 vertebra
Which nerve innervates Obliquus Capitis Superior muscle?
Suboccipital nerve (posterior ramus of C1)
Where does Stylohyoid muscle insert?
Lateral aspect of the hyoid bone
What action does Digastric muscle perform?
Depresses the mandible and elevates the hyoid bone
What is the innervation of Stylohyoid muscle?
Stylohyoid branch of the facial nerve (CN VII)
Where does Obliquus Capitis Superior muscle insert?
Occipital bone (between the superior and inferior nuchal lines)
What type of joint connects adjacent vertebral bodies in the cervical spine?
Symphysis
Which muscles are situated underneath the occipital bone and are responsible for extension and rotation of the head?
Suboccipital muscles
What type of joint permits flexion at the head between the superior facets of the lateral masse of the atlas and the occipital condyles?
Condyloid type synovial joint
Which nerve innervates the Suboccipital muscles, including Rectus Capitis Posterior Major and Obliquus Capitis Inferior?
Suboccipital nerve (posterior ramus of C1)
What is the origin of Obliquus Capitis Inferior muscle?
Spinous process of the C2 vertebra
Which joints are unique to the cervical spine anatomy?
Atlantoaxial and atlantooccipital joint
Learn about the joints of the cervical spine, including the types of joints present throughout the vertebral column and those unique to the cervical region. Explore how adjacent vertebral bodies are connected by intervertebral discs and the articulation of superior and inferior articular processes.
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