Session 1- Mm of the Thoracic Cage Flashcards

1
Q

Primary Mm of Respiration

A

Diaphragm

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2
Q

Intercostal Space Mm

A

External, Internal Intercostal
Neurovascular Bundle
Innermost Intercostal

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3
Q

Internal Cage mm

A

Subcostal and the Transverse Thoracics

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4
Q

External Cage Mm

A

Levator Costorum
Serratus Posterior Superior/Inferior

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5
Q

Accessory Mm of Respiration when then inspiration is deep and forceful

A

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

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6
Q

which way do Externa Intercostal Mm fibres run

A

infero-anteriorly

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7
Q

action of the External Intercostal Mm

A

elevate ribs-inspiration

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8
Q

which way to do Internal Intercostal mm fibres run

A

inefero-posteriroly

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9
Q

action of the Intenal Intercostal mm run

A

Interosseis-depress
interchondral- eelevates

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10
Q

what action do the inner intercostal mm share

A

internal intercostal

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11
Q

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

A

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

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12
Q

Transversus Thoracics insertion

A

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

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13
Q

Serratus Posterior Superior attachments

A

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

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14
Q

Serratus posterior Inferior PANDAS

A

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

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15
Q

Levator Cosotrum

A

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

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