MOINA: Muscles of Respiration

Question 1

what is the origin of internal intercostals

Answer 1

Inferior border of rib

Question 2

what is the insertion of internal intercostals

Answer 2

superior border of rib below

Question 3

what is the nerve supply of internal intercostals

Answer 3

intercostal nerves

Question 4

what is the action of internal intercostals

Answer 4

lowers ribs in expiration

Question 5

what is the origin of external intercostals

Answer 5

inferior border of rib

Question 6

what is the insertion external intercostals

Answer 6

superior border of rib below

Question 7

what is the nerve supply of external intercostals

Answer 7

intercostal nerves

Question 8

action of external intercostals

Answer 8

raised ribs during inhalation

Question 9

what is the origin of innermost intercostal

Answer 9

medial edge of costal groove of rib above

Question 10

insertion of innermost intercostal

Answer 10

internal aspect of superior margin of rib below

Question 11

what is the nerve supply of innermost intercostal

Answer 11

intercostal nerves

Question 12

action of innermost intercostal

Answer 12

assist in internal and external intercostals

Question 13

origin of diaphragm

Answer 13

xiphoid, lower six cc, L1-L3

Question 14

insertion of diaphragm

Answer 14

central tendon

Question 15

nerve of diaphragm

Answer 15

phrenic nerve

Question 16

action of diaphragm

Answer 16

inc vertical diameter by pulling central tendon downwards

assist in raising lower ribes

used in abdominal straining

Question 17

origin of levatores costarum

Answer 17

tips of tranverse processes of C7-T11

Question 18

insertion of levatores costarum

Answer 18

rib below

Question 19

nerve of levatores costarum

Answer 19

posterior rami of thoracic spinal nerves

Question 20

action of levatores costarum

Answer 20

elevates ribs and propioception

Question 21

origin of serratus posterior superior

Answer 21

lower cervical and upper thoracic spines

Question 22

insertion of serratus posterior superior

Answer 22

upper ribs

Question 23

nerve of serratus posterior superior

Answer 23

intercostal nerves

Question 24

action of serratus posterior superior

Answer 24

proprioception and raises ribs

Question 25

origin of serratus posterior inferior

Answer 25

upper lumabr and lower thoracic spines

Question 26

insertion of serratus posterior inferior

Answer 26

lower ribs

Question 27

nerve of serratus posterior inferior

Answer 27

intercostal nerves

Question 28

action of serratus posterior inferior

Answer 28

propprioception and depresses ribs

Question 29

origin of subcostales

Answer 29

internal surface of ribs near angle

Question 30

insertion of subcostales

Answer 30

internal surface of second or third rib below

Question 31

action of subcostales

Answer 31

may depress ribs

Question 32

origin of transversus thoracis

Answer 32

inferior margin and internal surfaces of cc of rib 2-6

Question 33

insertion of transversus thoracis

Answer 33

inferior aspect of deep surface of body of sternum, xiphoid and cc of rib 4/7

Question 34

action of transversus thoracis

Answer 34

depresses cc and secures internal thoracic vessels