Term
| Thoracis cavity and its wall are ____ superiorly and ___ inferiorly |
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Definition
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Term
| Thoracic cage is supported horizontaly by ___ and Vertically by ____ |
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Definition
1. Ribs, coastal cartilage
2. Sternum, Thoracic vertebrae |
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Term
| Thoracic outlet is also know as ___ and its upward push makes sure that _____ |
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Definition
1. floor of the thoracic cavity
2. nearly half of the visceral structures of the abodomen are surrounded by Thoracic cavity
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Term
| Thoracic inlet is the ____ extent of thoracic cavity |
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Definition
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Term
Thoracic Inlet
1. bounded anteriorly by ___
2. posteriorly by ___
3. Laterally by ____
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Definition
1. Manubrium
2. T1
3. right and left 1st rib |
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Term
| Thoracic cavity is divided into three major spaces: |
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Definition
1. Mediastinum (central compartment)
2. Right Pleural cavity (rt. lateral compartment)
3. Left Pleural cavity (left lateral compartment )
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Term
| Components of thoracic wall |
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Definition
- skin
- subcutaneous tissue
- fascia
- muscles
- (except pec. major)
- bone (ribs, sternum, manubrium)
-cartilage (CC) |
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Term
Function of the thoracic Dome
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Definition
- protect: vital thoracic and abdominal internal organs
- Resists negative internal pressures generated by the elastic recoil of the lungs
- provide support and attachment for upper limb muscles and structures
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Term
Skeleton of Thoracic wall is made up of
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Definition
- 12 pairs of ribs
- 12 thoracic vertebrae
- intervertebral discs
- costal cartilages
- manubrium
- Sternum
- Xiphoid process |
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Term
Kind of ribs:
1. True
2. False
3. Floating
A. Typical
B. Atypical
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Definition
1. 1st --- 7th : attached directly to the sternum thru their own CC
2. 8th --- 10th: CC are attached to the ribs above
3. 11th & 12th
A. 3rd --- 9th: head, neck, tubercle & body
B. 1,2,10-12 |
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Term
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Definition
Brodest, shortest, most sharply curved
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Term
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Definition
- more typical than atypical
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Term
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Definition
NO neck or tubercle
Only 1 facet on their head |
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Term
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Definition
- medial end of the clavicle articulates w/ it
- Manubriosternal joint (Angle of Louis)
- |
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Term
| Manubriosternal joint (Angle of Louis) |
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Definition
- 2nd costal cartilage is at the level of angle of loius
- sternal angle
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Term
| Sternum at the level of ___ |
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Definition
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Term
Xiphoid process located at ___ level
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Definition
-T10
- indicates the inferior limit of the thoracic cavity
- superior limit of: liver
- Central tendon of: diaphragm
- inferior border of: heart |
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Term
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Definition
- costovertebral joints
- sternoclavicular Joints
- Manubriosternal Symphysis
- Costochondral joints
- chondrosternal joints
- Xiphisternal joint
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Term
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Definition
1. Diaphragm --- separates the thoracic cavity from the abdominal cavity
2. Serratus Posterior superior
3. Levator costorum
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Term
| Muscles used during Forced Inspiration |
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Definition
- External Intercostal
- Scalene anterior, middle & posterior
- sternocleidomastoid
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Term
| Muscle used during expiration |
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Definition
None cause its a passive process
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Term
| Muscles used during Forced Expiration |
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Definition
- Internal intercostals
- Abdominal wall muscles
- Serratus Posterior Inferior
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Term
| Thoracic Wall Movements during inspiration |
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Definition
** increase in intrathoracic volume
- Increase in Vertical, AP & X Dimension
V: Diap. contraction
AP: contraction of external intecostal
X: rise of lateral part of the ribs
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Term
| Thoracic Wall Movements during Expiration |
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Definition
| ** Diaphragm, intercostal & other muscles relax, decreasing intrathoracic volume but increase the Intrathoracic pressure |
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Term
| Above the Clavicle the Lymph flows to _____ and below the clavicle parietal lymph nodes drain into _____ |
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Definition
1. inferior jugular lymph nodes
2. Axillary lymph nodes |
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Term
| Jugular notch of the manubrium located at the level of |
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Definition
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Term
| Manubrium is located at the level of |
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Definition
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Term
| Infrasternal Angle used as a landmark during ____ procedure |
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Definition
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Term
| Intercostal Muscles of the Thoracic Wall |
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Definition
1. External Intercostal Muscles: Run inferomedially from the rib above to the rib below
2. internal intercostal Muscles: muscles fibers at the right angle to the EI muscles
3. Intermost intercostal muscles: separated from internal interc. mm's by intercostal nerves and vessels |
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