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14 Cards in this Set
- Front
- Back
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Intercostal muscles: |
1. External intercostal muscles 2. Internal intercostal muscles 3. Subcostalis 4. Transversis thoracis |
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1. External intercostal muscles |
helps ribcage move upwards - starts inspiration intercostal nerve |
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2. Internal intercostal muscles |
expiration (help ribcage move back downwards) intercostal nerve |
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3. Subcostalis |
expiration intercostal nerve |
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4. Transversis thoracis |
intercostal nerve |
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intrinsic (originate and insertion on ribs) |
external intercostalis internal intercostalis intercostales intimi |
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thoracohumeral |
pectoralis major - pectoral nerve pectroalis minor - pectroal nerve subclavius - subclavian nerve |
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diaphragm: separates |
thoracic + abdominal cavity |
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diaphragm: attaches to |
ribs sternum vertebrae |
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diaphragm: muscular parts |
sternal costal lumbar |
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diaphragm: 3 openings |
aortic hiatus (aorta) esophageal hiatus (esophagus, plexuses of vagus nerve) foramen vena cava (vena cava) |
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diaphragm: innervation |
phrenic nerve (cervical plexus) |
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diaphragm: function |
principal resp. muscle (inspiration) |
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diaphragm: expiration |
diaphragm muscle sinks |
