3-3 (Anterior Thoracic Wall) Flashcards
1
Q
Name
A
External intercostals
2
Q
Insertion
A
Attached to the upper border of the rib below.
3
Q
Action (two)
A
Active during inspiration, and elevate the ribs.
4
Q
Innervation
A
Intercostal nerves, e.g., the 4th intercostal nerve supplies muscles the 4th intercostal space (between the 4th and 5th ribs).
5
Q
Origin
A
Arises from the lower border of a rib.
