Muscles Of the Thoracic Wall

Question 1

Mnemonics for muscles of the thoracic work

Answer 1

S_serratus posterior superior
S_ serratus posterior inferior
L_levator costarum
E_external intercostal
I_ internal intercostal
I_ innermost intercostal
S_ Subcostal
T_Transversus thoracis

Ssleiist

Question 2

Superior attachment of serratus posterior muscle

Answer 2

Nuchal ligament
Spinous process of c7_T3 vertebrae

Question 3

Inferior attachment of serratus posterior superior

Answer 3

Superior borders of 2nd _ 5th ribs

Question 4

Innervation of serratus anterior superior

Answer 4

2nd _5th intercostal nerves

Question 5

Action of serratus posterior superior

Answer 5

Elevates the ribs

Question 6

Superior attachment of serratus posterior inferior

Answer 6

Spinous process of T11_L2 vertebra

Question 7

Inferior attachment of serratus posterior inferior

Answer 7

Inferior border of ribs 8_12

Question 8

Innervation of serratus anterior inferior

Answer 8

Anterior rami of T9_12 thoracic spinal nerve

Question 9

Superior attachment of levator costarum

Answer 9

Transverse processes of C7_T11

Question 10

Inferior attachment of levator costarum

Answer 10

Subjacent ribs between tubercle and angle

Question 11

Innervation of levator costarum

Answer 11

Posterior rami of C8_T11 ribs

Question 12

Functions of levator costarum

Answer 12

Elevates ribs

Question 13

Functions of serratus posterior inferior

Answer 13

Depresses ribs

Question 14

Superior attachment of external intercostal, internal intercostal and innermost intercostal ribs

Answer 14

Inferior borders of ribs

Question 15

Inferior attachment of external intercostal, internal intercostal and innermost intercostal

Answer 15

Superior border of ribs below

Question 16

Innervation of intercostal muscle

Answer 16

Intercostal nerve

Question 17

Functions of external intercostal muscle

Answer 17

Elevates ribs during forced inspiration

Question 18

Functions of internal intercostal and innermost intercostal muscle

Answer 18

Interosseous part. Depresses ribs during forced inspiration
Interchondral part : elevates ribs during forced inspiration

Question 19

Superior attachment of subcostal muscle

Answer 19

Internal surface of lower ribs near their angles

Question 20

Inferior attachment of subcostal muscle

Answer 20

Superior borders of 2nd or 3rd ribs below

Question 21

Innervation of subcostal nerve

Answer 21

Intercostal nerve

Question 22

Functions of subcostal muscle

Answer 22

Interosseous part : depresses ribs during forced respiration
Interchondral part: elevates ribs during forced respiration

Question 23

Superior attachment of transversus thoracis

Answer 23

Posterior surface of lower sternum

Question 24

Inferior attachment of transversus thoracis

Answer 24

Internal surface of costal cartilages 2_6

Question 25

Main action of transversus thoracis

Answer 25

Weakly depresses ribs

Question 26

What are the regions of the vertebra

Answer 26

Cervical Thoracic Lumbar Sacrum Coccyx Imagine a crunchy breakfast at 7 A tasty lunch at 12 A light dinner at 5