Anterolateral Neck Muscles

Question 1

Anterior Digastric

Answer 1

A: From the digastric fossa of the mandible to the intermediate tendon (greater cornu of hyoid)
Fx: Depression of the mandible or the elevation of the hyoid

Question 2

Posterior Digastric

Answer 2

A: From the temporal mastoid notch to the intermediate tendon (greater cornu of hyoid)
Fx: Depression of the mandible or elevation of the hyoid

Question 3

Geniohyoid

Answer 3

A: From the inferior genial tubercle of the mandible to the anterior aspect of the body of the hyoid
Fx: Elevation & anterior displacement of the hyoid, or depression of the mandible with a fixed hyoid

Question 4

Longus Capitis

Answer 4

A: from anterior tubercles of the transverse processes of cervical vertebrae to the basilar occipital bone
Fx: Flexion of the head & neck

Question 5

Longus Colli

Answer 5

A: From cervical vertebral bodies to cervical vertebral bodies & transverse processes
Fx: Flexion of the neck

Question 6

Mylohyoid

Answer 6

A: From the mylohoid line of the mandible to the midline raphe & anterior aspect of the body of the hyoid
Fx: elevation of the floor of the oral cavity

Question 7

Omohyoid

Answer 7

A: from the superior border of the scapula medial to the scapular notch to the lateral aspect of the hyoid passing through an intermediate tendon sling loosely associated with the clavicle & the 1st rib
Fx: Depression of the hyoid

Question 8

Scalenus Anterior

Answer 8

A: from the transverse processes of middle cervical vertebrae to the scalene tubercle of the 1st rib
Fx: Elevation of 1st rib (during forced inspiration) & flexion & rotation of the neck

Question 9

Scalenus Medius

Answer 9

A: From the transverse processes of cervical vertebrae to the 1st rib
Fx: Elevation of 1st rib (forced inspiration) & lateral flexion of the neck

Question 10

Scalenus Posterior

Answer 10

A: From lower cervical transverse processes to the 2nd rib
Fx: Elevation of the rib (forced inspiration)

Question 11

Sternocleidomastoid

Answer 11

A: From lateral aspect of the mastoid process & superior nuchal line to the manubrium & medial 1/3 of the clavicle
Fx: Flexion of the head & neck, contralateral rotation of the head

Question 12

Sternohyoid

Answer 12

A: From the posterior side of the proximal clavicle & adjacent manubrium to the inferior border of the body of the hyoid
Fx: Depressed the hyoid

Question 13

Sternothyroid

Answer 13

A: From the posterior aspect of the manubrium to the thyroid lamina
Fx: Depression of the elevated larynx

Question 14

Stylohyoid

Answer 14

A: From the styloid process to the greater cornu of the hyoid
Fx: Elevation & retraction of the hyoid

Question 15

Thyrohyoid

Answer 15

A: From the thyroid lamina to the hyoid bone
Fx: Depression of hyoid or elevation of thyroid cartilage