Session 1- Mm of the Thoracic Cage

Question 1

Primary Mm of Respiration

Answer 1

Diaphragm

Question 2

Intercostal Space Mm

Answer 2

External, Internal Intercostal
Neurovascular Bundle
Innermost Intercostal

Question 3

Internal Cage mm

Answer 3

Subcostal and the Transverse Thoracics

Question 4

External Cage Mm

Answer 4

Levator Costorum
Serratus Posterior Superior/Inferior

Question 5

Accessory Mm of Respiration when then inspiration is deep and forceful

Answer 5

Serratus anterior, posterior, superior
Pec Major/Minor
SCM
Scalenes
Intercostal

Question 6

which way do Externa Intercostal Mm fibres run

Answer 6

infero-anteriorly

Question 7

action of the External Intercostal Mm

Answer 7

elevate ribs-inspiration

Question 8

which way to do Internal Intercostal mm fibres run

Answer 8

inefero-posteriroly

Question 9

action of the Intenal Intercostal mm run

Answer 9

Interosseis-depress
interchondral- eelevates

Question 10

what action do the inner intercostal mm share

Answer 10

internal intercostal

Question 11

Subcostal Mm inserts where, how many IC does it span? what direction-action

Answer 11

upper margin ribs 2-3 ribs below
Spanning 1-2 IC spaces
same direction as Internal Intercostal with the same action of Interosseus depression
interchondral-elevate

Question 12

Transversus Thoracics insertion

Answer 12

posteior surface of the xiphoid and body of the sternum and internal surface of 2-6 costal cartilage

Question 13

Serratus Posterior Superior attachments

Answer 13

Inferior part of the nuchal line, sps C7-T3
supeiro border of ribs 2-4
action to elevate the ribs
supplied by intercostal nerve 2-5

Question 14

Serratus posterior Inferior PANDAS

Answer 14

SP’s of t11-L2
inferior border of llower rib R8-12
depress and inferior ribs
nerve supply anterior rami of spinal nerve T9-T12

Question 15

Levator Cosotrum

Answer 15

tips of c7-T11-tps
subajecent ribs b/w tubercle and anglle
elevates rib below with weak inpsiration
dorsal rami of c8 t11