Superficial Structures of the Neck Flashcards
What is the innervation of the platysma? A. Facial Nerve B. Accessory Nerve C. Occipital Nerve D. Platysma Nerve
A. Facial Nerve
What is the function of the platysma?
Depresses mandible and draws down corner of mouth
What is the innervation of the Sternocleidomastoid? A. Occipital Nerve B. Accessory Nerve C. Maxillary Nerve D. Facial Nerve
B. Accessory Nerve
What is the function of the sternocleidomastoid?
chief flexor of the head
What are the 3 types of Torticollis?
Congenital
Muscular
Spasmodic
What is congenital torticollis?
fibrous tissue build up (tumor) at or shortly after birth
What is muscular torticollis?
due to birth injury
What is spasmodic torticollis?
occurs in adults due to abnormal tonicity
What is the most common torticollis and can be treated by chiropractors?
Spasmodic Torticollis
What is the innervation of the Trapezius?
Accessory Nerve and C3 and C4
What is the function of the Trapezius?
upper portion elevates
middle portion retracts
lower portion depresses the scapula
What does the external jugular vein drain?
face and scalp
What two veins connect to make the external jugular vein?
Retromandibular and posterior auricular vein
What does the external jugular vein drain into?
subclavian vein
Which of the following is not a tributary of the external jugular vein? A. Retromandibular vein B. Posterior Auricular Vein C. Posterior External Jugular vein D. Anterior Jugular Vein E. Transverse Cervical Vein F. Lateral Cervical Vein G. Suprascapular Vein
F. Lateral Cervical Vein
Who is most prone to having Prominent External Jugular Vein?
opera singers and bagpipe players
What two conditions can cause prominent external jugular vein? A. Congestive Heart Failure B. Obstruction of superior vena cava C. Stroke D. Heart Attack
A and B
Congestive Heart Failure and Obstruction to superior vena cava