Session 1 Diaphragm Flashcards

1
Q

Functions of Diaphargm

A

Primary mm of respiration- inspiration
Central tendon supports heart
2 domes support right and left lung
mm of abdominal straining
weight lifiting mm
thoracic abdominal pump

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2
Q

Sternal origin

A

2 muscular slips to xiphoid process

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3
Q

costal origin

A

internal surface of inferior 6 costal cartilages and ribs bi-laterally

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4
Q

Vertebral Origin

A

right crus, left crus via arcuate lig

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5
Q

Median arcuate lig
Medial
Lateral

A

median- aorta
medial psoas
lateral ql

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6
Q

Nerve Supply of the Diaphragm

A

C3,C4,C5, right and left phrenic alive

Peripheral parts- sensory supply from the inferior 6 intercostal/subcostal

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7
Q

Superior Surface Arterial Supply

A

Pericardiacophrenic and Musculophernic arteries- branch of internal thoracic artery

superior phreninc areries

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8
Q

Inferior Surface of the Diaphragm

A

inferior phrenic arteries

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9
Q

Caval Opening

A

T8- transmits infeiror vena cava, phrenic nerve

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10
Q

Osephageal Hiatus

A

T10- oseophagus and vagus n

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11
Q

Aortic Hiatus

A

T12- Aorta passes posterior the diaphragm

Thoracic duct and azygous vein

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