Exam 2 Flashcards
(41 cards)
What is the most rigid part of the vertebral column?
*Thoracic spine Facet joints
How is the thoracic spine aligned?
*In a mild kyphosis
What is the resting position of the thoracic spine/facets?
*Midway between flexion and extension (upright posture)
What is the closed pack position of the Thoracic spine?
Extension
What is the capsular pattern of the Thoracic spine?
*side flexion and rotation equally limited, extension
What is the mobile platform for thoracic movement?
- Thoracic Spine Facet Joints
- Upper extremities via ST and SC joints
- Cervical Spine
What does the sternum (breast bone) made up of?
- Manubrium, body, Sternum
* Sternal Notch of the Manubrium
What does the manubriosternal joint (sternal angle) align with?
*2nd rib
What does the xiphosternal joint align with?
- T9 vertebrae
* T7 ribs
What does the xiphoid process align with?
- T9 vertebra
* T6 dermatome
What is the norm for the infrasternal angle and what is the cause of a large or small one?
- Norm: 90 dg
- > 90 dg: tightness in internal obliques
- < 90 dg: tightness in external obliques
Would an upper chest breather have a larger or smaller angle?
*Less than 90 dg because they don’t expand the lower ribs
What can be palpated in the anterior ribs?
*Costochondral Junctions
How do you palpate the first rib?
*Posterior while sitting and/or prone
What are the characteristics of ribs 2-12?
- Most rounded inferior rib felt anterolaterally is the 10th rib and it’s costochondral junction
- Inferior and posterolateral to that is the tip of rib 11, ending just anterior to mid-axillary line
- Rib 12, inferior and medial to rib 11, it is about an inch or so below rib 11 about 2-4 inches from the spinous process
Which ribs have angles and where are they found?
- Ribs 2-10 have them
- 1st rib doesn’t possess an angle and 11th and 12th are slight if present
- 3-4 cm lateral to the tips of the transverse process
What are the rib articulations with the costovertebral joints?
- Ribs 1, 10, 11, 12 have one vertebral body articulation
* Ribs 2-9 articulate with two adjacent vertebrae
What are the rib articulations with the costotransverse joints?
- *Ribs and transverse processes of the same level
- Ribs 1-10
- Ribs 11 and 12 do not have these joints
What are the rib articulations with the costochondral joints?
- Ribs and costal cartilage
- Ribs 1-7 = True Ribs
- Ribs 8-10 = False Ribs
- Ribs 11 and 12 = Floating
What is the Thoracic Rule of Three?
- T1-3: SP at level with TP
- T4-6: SP are 1/2 level down than TP
- T7-9: SP are one full level down from TP
- T10-12: Starts to come back up
- T10: SP is one full level below TP
- T11: SP is one 1/2 level below TP
- T12: SP is even with TP
What is the OIAN of the External Obliques?
- O: Ribs 5-12
- I: Iliac crest, pubis, linea alba
- A: Bilaterally compresses abdomen and flexes the spine, Unilaterally it does ipsilateral side bending and contralateral rotation
What is the OIAN of the internal obliques?
- O: Lateral inguinal ligament, middle lip of iliac crest, thoracolumbar fascia
- I: Pubis, inferior border of ribs 9-12, linea alba
- A: Bilaterally compress abdomen and flexes the spine
- N: Lower 5 thoracic nerves, 1st lumbar nerve, iliohypogastric and ilioinguinal n.
What is the OIAN of the rectus abdominis?
- O: Crest of Pubis and pubic tubercle, pubic symphysis
- I: Cartilages of the 5-7 ribs and xiphoid process
- A: Flexes vertebral column, compresses abdomen
- N: Spinal nerves T7-12
What forms the washboard effect in the abdominals?
*The transverse fibrous intersections of the rectus abdominis