Muscles of the Neck

Question 1

Sternohyoid

Answer 1

O: sternum

I: hyoid bone

A: depression and/or fixation of the hyoid bone

In: ventral rami of first 3 cervical spinal nerves via ansa cervicalis

Question 2

Sternothyroid

Answer 2

O: sternum

I: thyroid cartilage

A: depression and/or fixation of the thyroid cartilage

In: ventral rami of first 3 cervical spinal nerves via ansa cervicalis

Question 3

Thyrohyoid

Answer 3

O: thyroid cartilage

I: hyoid bone

A: depression and/or fixation of the hyoid bone. If hyoid bone is fixed, then elevation of thyroid cartilage

In: ventral rami of C1 by way of hypoglossal nerve

Question 4

Omohyoid

Answer 4

O: superior border of scapula

I: hyoid bone

A: depression and/or fixation of the hyoid bone

In: ventral rami of first 3 cervical spinal nerves via ansa cervicalis

Question 5

Mylohyoid

Answer 5

O: medial surface of mandible on each side

I: hyoid bone

A: forms sloping floor of oral cavity

In: mandibular branch of trigeminal nerve

Question 6

Digastric

Answer 6

WILL INSERT LATER