Muscles of Neck and Thorax Lecture

Question 1

Epaxial Muscles

Answer 1

Above transverse spinous processes

Question 2

Hypaxial Muscles

Answer 2

Below transverse spinous processes

Question 3

Sternocephalicus Origin and Insertion

Answer 3

O-manubrium

I-mastoid process and nuchal crest

Question 4

Stenohyoideus Origin and Insertion

Answer 4

O-manubrium

I-Basihyoid bone

Question 5

Sternothyroideus Origin and Insertion

Answer 5

O-manubrium

I-thyroid cartilage of the larynx

Question 6

Thoracic hypaxial AKA

Answer 6

Scalenus
Serratus ventralis
External intercostals
Internal intercostals

Muscles of INSPIRATION

Question 7

External intercostal muscle fibers

Answer 7

Run caudoventrally

Question 8

Internal intercostal muscle fibers

Answer 8

Run cranioventrally

Question 9

Epaxial muscles

Answer 9

Iliocostalis system
Longissimus system
Transversospinalis system
-->Splenius
-->Multifidus lumborum