Muscles of Thoracic Wall

Question 0

Insertion of External Intercostal

Answer 0

Superior border of Ribs below

Question 1

Origin of External Intercostal

Answer 1

Inferior border of Ribs

Question 2

Innervation of External Intercostal

Answer 2

Intercostal Nerve

Question 3

Actions of External Intercostal

Answer 3

During forced inspiration: elevate ribs

Question 4

Origin of Internal Intercostal

Answer 4

Inferior border of Ribs

Question 5

Insertion of Internal Intercostal

Answer 5

Superior border Ribs below

Question 6

Innervation of Internal Intercostal

Answer 6

Intercostal nerve

Question 7

Action of Internal Intercostal

Answer 7

During forced respiration: interosseus part depresses ribs; interchondral part elevates ribs

Question 8

Origin of Innermost Intercostal

Answer 8

Inferior border of Ribs

Question 9

Insertion of Innermost Intercostal

Answer 9

Superior border of Ribs below

Question 10

Innervation of Innermost Intercostal

Answer 10

Intercostal Nerve

Question 11

Action of Innermost Intercostal

Answer 11

During forced respiration: interosseus part depresses ribs; interchondral part elevates ribs

Question 12

Origin of Transverse Thoracis

Answer 12

Posterior surface of lower Sternum

Question 13

Insertion of Transverse Thoracis

Answer 13

Internal surface of Costal Cartilages 2-6

Question 14

Innervation of Transverse Thoracis

Answer 14

Intercostal nerve

Question 15

Action of Transverse Thoracis

Answer 15

Weakly depresses Ribs