Thoracic Wall Flashcards
1
Q
External Intercostals
A
- Inferior border of rib above
- Superior border of rib below
- Elevation of ribs (Assist with inhalation)
- APR: Intercostal nerves
2
Q
Internal Intercostals (interchondral part)
A
- Inferior border of rib above
- Superior border of rib below
- Elevation of ribs (Assist with inhalation)
- APR: Intercostal nerves
3
Q
Internal Intercostals (interosseus part)
A
- Superior border of rib below
- Inferior border of rib above
- Depression of ribs (assist with exhalation)
- APR: Intercostal nerves
4
Q
Innermost Intercostals
A
- Superior border of rib below
- Inferior border of rib above
- Depression of ribs (assist with exhalation)
- APR: Intercostal nerves
5
Q
Subcostal
A
- Superior border of ribs (2 or 3) below
- Inferior border of rib above
- May assist with depression of ribs
- APR: Intercostal nerves
6
Q
Transverse Thoracis
A
- Posterior surface of lower sternum
- Internal surface of costal cartilage
- May assist with depression of ribs
- APR: Intercostal nerves
7
Q
Levatores Costarum
A
- TPs C7-T11
- Subjacent ribs between tubercle and angle
- Elevate ribs
- Posterior Primary Rami: C8-T11
