Nerves of the Thoracic Wall Flashcards
1
Q
What is the origin of the intercostal nerves?
A
Continues as an extension of thoracic ventral ramus (once the T4 ventral ramus enters the intercostal space it becomes the fourth intercostal nerve).
2
Q
What is the intercostal nerves course?
A
Travels in the upper region of the IC space between the internal and innermost intercostal muscles.
3
Q
What motor function do intercostal nerves supply?
A
Intercostal muscles in the thorax, and abdominal body muscles in the abdomen.
4
Q
What sensory innervation do intercostal nerves supply?
A
Anterior and Lateral cutaneous branches.
