Mastering the Muscles of the Neck
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Questions and Answers

Which group of muscles is responsible for the movement of the head in all directions?

  • Lateral neck muscles
  • Anterior neck muscles (correct)
  • Posterior neck muscles
  • None of the above

    • Which muscles are responsible for the movement of the head in all directions?

  • Lateral neck muscles
  • Posterior neck muscles
  • All of the above
  • Anterior neck muscles (correct)

    • Which muscles are responsible for the movement of the head in all directions?

  • All of the above
  • Posterior neck muscles
  • Lateral neck muscles
  • Anterior neck muscles (correct)

    • Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior</p> Signup and view all the answers

    What are the three groups of muscles that make up the neck muscles?

    <p>Anterior, lateral, and posterior</p> Signup and view all the answers

    Which group of muscles are responsible for the movement of the head in all directions?

    <p>Anterior neck muscles</p> Signup and view all the answers

    Which of the following is NOT one of the three subgroups of anterior neck muscles?

    <p>Posterior</p> Signup and view all the answers

    Which group of muscles are responsible for the movement of the head in all directions?

    <p>Anterior neck muscles</p> Signup and view all the answers

    Which group of muscles are responsible for the movement of the head in all directions?

    <p>Anterior neck muscles</p> Signup and view all the answers

    Which of the following muscles is responsible for elevating the hyoid bone and retracts the tongue?

    <p>Stylohyoid</p> Signup and view all the answers

    Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior</p> Signup and view all the answers

    What are the three subgroups of the anterior neck muscles?

    <p>Suprahyoid, infrahyoid, and pretracheal muscles</p> Signup and view all the answers

    Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior vertebral muscles</p> Signup and view all the answers

    Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior vertebral muscles</p> Signup and view all the answers

    Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior vertebral muscles</p> Signup and view all the answers

    Which muscle is responsible for elevating the hyoid bone and retracts the tongue?

    <p>Stylohyoid</p> Signup and view all the answers

    Which subgroup of the anterior neck muscles includes the digastric, mylohyoid, geniohyoid, and stylohyoid muscles?

    <p>Suprahyoid muscles</p> Signup and view all the answers

    Which of the following is NOT a subgroup of the anterior neck muscles?

    <p>Posterior vertebral muscles</p> Signup and view all the answers

    What is the function of the mylohyoid muscle?

    <p>Elevates the hyoid bone and the floor of the mouth</p> Signup and view all the answers

    Which muscles are included in the suprahyoid muscles?

    <p>Digastric, mylohyoid, geniohyoid, and stylohyoid muscles</p> Signup and view all the answers

    Which muscle of the suprahyoid muscles has dual innervation and its function depends on its point of action?

    <p>Digastric</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and depresses the mandible?

    <p>Mylohyoid muscle</p> Signup and view all the answers

    Which muscle has dual innervation and its function depends on its point of action?

    <p>Digastric muscle</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and retracts the tongue?

    <p>Stylohyoid muscle</p> Signup and view all the answers

    Which muscle is responsible for depressing the mandible?

    <p>Digastric</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and retracts the tongue?

    <p>Stylohyoid muscle</p> Signup and view all the answers

    Which of the following muscles is responsible for depressing the mandible?

    <p>Digastric</p> Signup and view all the answers

    Which of the following muscles is responsible for moving the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    What is the function of the infrahyoid muscles?

    <p>To depress the hyoid bone and larynx to reopen the airways after swallowing</p> Signup and view all the answers

    What is the function of the infrahyoid muscles?

    <p>To depress the hyoid bone and larynx to reopen the airways after swallowing</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and the floor of the mouth and depresses the mandible?

    <p>Mylohyoid muscle</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    What is the function of the mylohyoid muscle?

    <p>Elevates the hyoid bone and the floor of the mouth and depresses the mandible</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    What is the function of the infrahyoid muscles?

    <p>To depress the hyoid bone and larynx</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    Which muscle depresses the mandible?

    <p>Mylohyoid muscle</p> Signup and view all the answers

    Which muscle is responsible for depressing the hyoid bone and larynx to reopen the airways after swallowing?

    <p>Sternohyoid muscle</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and retracts the tongue?

    <p>Stylohyoid muscle</p> Signup and view all the answers

    What is the function of the infrahyoid muscles?

    <p>To depress the hyoid bone and larynx</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    Which muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone, and is innervated by C1 and C2?

    <p>Rectus capitis anterior muscle</p> Signup and view all the answers

    What is the function of the anterior vertebral muscles?

    <p>To flex the head at the atlanto-occipital joint</p> Signup and view all the answers

    Which of the following muscles is innervated by C1 via the hypoglossal nerve?

    <p>Thyrohyoid</p> Signup and view all the answers

    Which muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone?

    <p>Rectus capitis anterior muscle</p> Signup and view all the answers

    What is the function of the infrahyoid muscles?

    <p>Depresses the hyoid bone and larynx to reopen the airways after swallowing</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint?

    <p>Rectus capitis lateralis muscle</p> Signup and view all the answers

    Which muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone, and is innervated by C1 and C2?

    <p>Rectus capitis anterior</p> Signup and view all the answers

    Which muscle is innervated by the ansa cervicalis and supplied by the lingual and superior thyroid arteries?

    <p>Sternothyroid muscle</p> Signup and view all the answers

    Which group of muscles depresses the hyoid bone and larynx to reopen the airways after swallowing?

    <p>Infrahyoid muscles</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts, and is innervated by C2-C6?

    <p>Longus colli muscle</p> Signup and view all the answers

    Which of the following muscles is NOT a part of the anterior vertebral muscles?

    <p>Longus colli</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts?

    <p>Longus colli muscle</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint and helps stabilize the joint during movement?

    <p>Rectus capitis lateralis</p> Signup and view all the answers

    Which muscle is innervated by C1 and C2?

    <p>Rectus capitis anterior muscle</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint?

    <p>Rectus capitis lateralis muscle</p> Signup and view all the answers

    Which muscle is innervated by the ansa cervicalis and supplied by the lingual and superior thyroid arteries?

    <p>Sternothyroid muscle</p> Signup and view all the answers

    What is the function of the anterior vertebral muscles?

    <p>To flex the head to varying degrees</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts?

    <p>Longus colli</p> Signup and view all the answers

    Which muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone?

    <p>Rectus capitis anterior muscle</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint and helps stabilize the joint during movement?

    <p>Rectus capitis lateralis</p> Signup and view all the answers

    Which of the following muscles flexes the head laterally at the atlanto-occipital joint?

    <p>Rectus capitis lateralis</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts?

    <p>Longus colli muscle</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts, and is innervated by C2-C6?

    <p>Longus colli</p> Signup and view all the answers

    Which of the following muscles spans the cervical and upper thoracic spine and is divided into three parts?

    <p>Longus colli</p> Signup and view all the answers

    Which muscle spans the cervical and upper thoracic spine and is divided into three parts?

    <p>Longus colli muscle</p> Signup and view all the answers

    Which muscle depresses the mandible?

    <p>Mylohyoid muscle</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint and helps stabilize the joint during movement?

    <p>Rectus capitis lateralis muscle</p> Signup and view all the answers

    Which muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    Which muscle is innervated by C1 and C2?

    <p>Rectus capitis anterior</p> Signup and view all the answers

    What are the anterior vertebral muscles?

    <p>A group of muscles located anterior to the cervical vertebral column and are surrounded by the prevertebral fascia</p> Signup and view all the answers

    Which muscle is supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery?

    <p>Thyrohyoid muscle</p> Signup and view all the answers

    Which muscle is innervated by C1-C3?

    <p>Longus capitis muscle</p> Signup and view all the answers

    Which of the following muscles is innervated by C1 and C2?

    <p>Rectus capitis anterior</p> Signup and view all the answers

    Which muscle is responsible for flexing the head at the atlanto-occipital joint and stabilizing the joint?

    <p>Rectus capitis anterior</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly?

    <p>Geniohyoid muscle</p> Signup and view all the answers

    Which group of muscles is located anterior to the cervical vertebral column and are surrounded by the prevertebral fascia?

    <p>Anterior vertebral muscles</p> Signup and view all the answers

    Which muscle is innervated by the ansa cervicalis and supplied by the lingual and superior thyroid arteries?

    <p>Sternothyroid muscle</p> Signup and view all the answers

    Which of the following muscles is responsible for depressing the hyoid bone and larynx to reopen the airways after swallowing?

    <p>Infrahyoid muscles</p> Signup and view all the answers

    Which muscle is supplied by the lingual and superior thyroid arteries?

    <p>Sternothyroid muscle</p> Signup and view all the answers

    Which muscle flexes the head laterally at the atlanto-occipital joint and helps stabilize the joint during movement?

    <p>Rectus capitis lateralis muscle</p> Signup and view all the answers

    Which muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone, and is innervated by C1 and C2?

    <p>Rectus capitis anterior muscle</p> Signup and view all the answers

    Which group of muscles is located anterior to the cervical vertebral column and surrounded by the prevertebral fascia?

    <p>Anterior vertebral muscles</p> Signup and view all the answers

    Which muscle elevates the hyoid bone and retracts the tongue?

    <p>Stylohyoid muscle</p> Signup and view all the answers

    Which group of muscles function to flex the head to varying degrees?

    <p>Anterior vertebral muscles</p> Signup and view all the answers

    Which of the following muscles elevates the hyoid bone and the floor of the mouth?

    <p>Mylohyoid</p> Signup and view all the answers

    Study Notes

    • The muscles of the neck are responsible for the movement of the head in all directions.
    • The muscles are divided into three groups: anterior, lateral, and posterior.
    • The anterior neck muscles are further divided into three subgroups: suprahyoid, infrahyoid, and pretracheal muscles.
    • The suprahyoid muscles include the digastric, mylohyoid, geniohyoid, and stylohyoid muscles.
    • The digastric muscle has dual innervation and its function depends on its point of action.
    • The mylohyoid muscle elevates the hyoid bone and the floor of the mouth and depresses the mandible.
    • The geniohyoid muscle elevates the hyoid bone and moves the larynx and pharynx anterosuperiorly.
    • The stylohyoid muscle elevates the hyoid bone and retracts the tongue.
    • The infrahyoid muscles include the sternohyoid, omohyoid, sternothyroid, and thyrohyoid muscles.
    • The function of the infrahyoid muscles is to depress the hyoid bone and larynx to reopen the airways after swallowing.
    • The sternothyroid muscle is innervated by the ansa cervicalis and supplied by the lingual and superior thyroid arteries.
    • The thyrohyoid muscle is innervated by C1 via the hypoglossal nerve and supplied by the infrahyoid and superior laryngeal branches of the superior thyroid artery and lingual branch of the external carotid artery.
    • The anterior vertebral muscles are a group of muscles located anterior to the cervical vertebral column and are surrounded by the prevertebral fascia.
    • The rectus capitis anterior muscle arises from the lateral mass of atlas and inserts on the basilar part of the occipital bone, and is innervated by C1 and C2.
    • The rectus capitis lateralis muscle arises from the transverse process of the atlas and inserts onto the jugular process of the occipital bone, and is innervated by C1 and C2.
    • The longus capitis muscle arises from the anterior tubercles of the transverse processes of vertebrae C3-C6 and inserts onto the basilar part of the occipital bone, and is innervated by C1-C3.
    • The longus colli muscle spans the cervical and upper thoracic spine and is divided into three parts, and is innervated by C2-C6.
    • The functions of the infrahyoid muscles are to depress the hyoid bone and larynx, and the anterior vertebral muscles function to flex the head to varying degrees.
    • The rectus capitis anterior muscle flexes the head at the atlanto-occipital joint and stabilizes the joint.
    • The rectus capitis lateralis muscle flexes the head laterally at the atlanto-occipital joint and helps stabilize the joint during movement.

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    Description

    This quiz tests your knowledge on the anatomy and function of the muscles of the neck. From the anterior, lateral, and posterior groups to the subgroups of suprahyoid, infrahyoid, and pretracheal muscles, you will learn about the intricacies of each muscle's function and innervation. You'll also explore the anterior vertebral muscles and their role in flexing the head, and gain a deeper understanding of how these muscles work together to allow movement and stabilization of the head and

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