Muscles of the thoracic wall

Question 0

external,internal, and innermost intercostal inferior attachment

Answer 0

superior border of ribs below

Question 1

external, internal, and innermost intercostal superior attachment

Answer 1

inferior border of ribs

Question 2

the intercostal nerves innervate which muscles

Answer 2

external and internal intercostals
innermost intercostals
transverse thoracis
subcostal

Question 3

action of external intercostals

Answer 3

during forced inspiration elevate ribs

Question 4

internal intercostals action

Answer 4

during forced respiration
interosseous part depresses
interchondral part elevates

Question 5

transversus thoracis action

Answer 5

weakly depresses ribs

Question 6

transversus thoracis superior attachment

Answer 6

posterior surface of lower sternum

Question 7

transversus thoracis inferior attachment

Answer 7

internal surface of costal cartilages 2-6

Question 8

diaphragm origin

Answer 8

inferior of thoracic cage and superior lumbar vertabrae

Question 9

diaphragm attachments

Answer 9

posterior sternum behind xiphoid process
internal surface of inferior 6 costal cartilages and ribs
medial and lateral arcuate ligament