Muscles of Thoracic Wall

Question 0

External intercostal

Insertion

Answer 0

Superior border of ribs below

Question 1

External Intercostal

Origin

Answer 1

Inferior border or ribs

Question 2

External Intercostal

Innervation

Answer 2

Intercostal nerve

Question 3

External Intercostal

Actions

Answer 3

During forced inspiration, elevates rib

Question 4

Internal Intercostal

Origin

Answer 4

Inferior border of ribs

Question 5

Internal Intercostal

Insertion

Answer 5

Superior border of ribs below

Question 6

Internal Intercostal

Innervation

Answer 6

Intercostal nerve

Question 7

Internal Intercostal

Actions

Answer 7

During forced respiration, interosseous part depresses ribs; interchondral part elevates ribs

Question 8

Innermost Intercostal

Origin

Answer 8

Inferior border of ribs

Question 9

Innermost Intercostal

Insertion

Answer 9

Superior border of ribs beow

Question 10

Innermost Intercostal

Innervation

Answer 10

Intercostal nerve

Question 11

Innermost Intercostal

Actions

Answer 11

During forced respiration; interosseous part depresses ribs; interchondral part elevates ribs

Question 12

Transversus Thoracis

Origin

Answer 12

Posterior surface of lower sternum

Question 13

Transversus Thoracis

Insertion

Answer 13

Internal surfaces of costal cartilages 2-6

Question 14

Transversus Thoracis

Innervation

Answer 14

Intercostal nerve

Question 15

Transversus Thoracis

Actions

Answer 15

Weakly depresses ribs