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 rib

Question 2

innervation of external intercostal

Answer 2

Intercostal nerve

Question 3

Action of external intercostal

Answer 3

During forced inspiration: elevates ribs

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

Action of internal intercostal

Answer 7

During forced respiration
Interosseous part depresses rib
interchondral part elevates rib

Question 8

Innermost intercostal origin

Answer 8

Inferior border of ribs

Question 9

Insertion of innermost intercostal

Answer 9

superior border of ribs

Question 10

Innervation of innermost intercostal

Answer 10

Intercostal nerve

Question 11

Action of innermost intercostal

Answer 11

During forced respiration
Interosseous part depresses rib
interchondral part elevates rib

Question 12

Transversus thoracis Origin

Answer 12

Posterior surface of lower sternum

Question 13

Transversus thoracis insertion

Answer 13

internal surfaces of costal cartilage 2-6

Question 14

innervation of Transversus thoracis

Answer 14

Intercostal nerve

Question 15

Action of Transversus thoracis

Answer 15

Weakly depresses rib