Term
Which thoracic joints are synchondrosis? |
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Definition
1st sternocostal and all costochondral |
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Term
Which thoracic joints are synovial plane joints? |
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Definition
2nd-7th sternocostal, all costovertebral, and all costotransverse |
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Term
Thoracic muscles assisting in respiration, which ones are during forced respiration? |
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Definition
External intercostal, normal respiration. Levator costarum, serratus posterior superior and inferior, forced respiration |
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Term
Thoracic muscles assisting in expiration, which ones are during forced expiration? |
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Definition
Internal intercostal, innermost intercostal, subcostal, transverse thoarcic, all normal expiration |
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Term
Direction of external intercostal fibers |
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Definition
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Term
Direction of internal intercostal fibers |
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Definition
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Term
Where are external intercostal fibers replaced by external intercostal membrane? |
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Definition
Anteriorly at the costochondral joint |
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Term
Where are the internal intercostal fibers replaced by internal intercostal membrane? |
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Definition
at the angle of the rib, posteriorly |
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Term
Transversus thoracis loaction |
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Definition
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Term
Innermost intercostal location |
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Definition
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Term
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Definition
Posterior thoracic region |
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Term
Name the fascia that lines the entire internal thoracic wall, what function does it serve? Clinical correlation? |
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Definition
Endothoracic fascia, adheres the parietal pleura to the thoracic wall, provides cleavage plane between thoracic wall and pleura for surgery |
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Term
Increase in A-P diameter or pump-handle action is due to what type of movement at what joint? |
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Definition
Rotational at costotransverse joint |
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Term
Increase in transverse diameter or bucket-handle action is due to what type of movement at what joint? |
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Definition
Gliding at posterior (costovertebral and costotransverse) joints |
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Term
Location of diaphragm during deep expiration |
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Definition
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Term
Location of diaphragm during forced inspiration |
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Definition
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Term
Non thoracic muscles involved in forced inspiration |
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Definition
Sternocleidomastoid, scalene muscles, serratus anterior, Pec. major and minor, quadratus lumborum |
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Term
What type of rami make up intercostal and subcostal nerves, do they travel, between what layers? |
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Definition
Ventral, in the costal groove along inferior margin of the rib, between 2nd and 3rd layers, internal intercostal and innermost/transversus thoraces/subcostalis depending on posterior, anterior, or lateral portion of thoracic cavity |
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Term
Where are collateral branches of intercostal nerves given off? Lateral perforating (cutaneous) branches? Anterior? |
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Definition
near angle of rib, superior border Near MAL, pierce wall and divide into anterior and posterior cutaneous branches Lateral border of sternum, divide into medial and lateral cutaneous branches |
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Term
What intercostal nerve has no cutaneous branches? |
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Definition
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Term
Lateral branch of what intercostal nerve forms intercostobrachial cutaneous nerve? What innervation does it provide? |
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Definition
2nd, skin and subcutaneous tissue of axilla and medial brachial area |
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Term
Dermatome of nipple(male), xiphoid, and umbilicus |
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Definition
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Term
Where does internal thoracic artery divide into terminal branches? What are they? |
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Definition
near 6th or 7th costal cartilage, musculophrenic and superior epigastric |
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Term
What provides posterior intercostal arteries and subcostal artery? |
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Definition
1-2 via supreme/superoir/highest 3-11 and subcostal via descending thoracic aorta |
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