Innercoastal muscles and nerves

Question 1

Layers of intercostal muscles?

Answer 1

External
Internal
Innermost

Question 2

In which direction are the muscular fibres orientated

Answer 2

External/inner- downwards oblique

Innermosr-vertical

Question 3

Where does the external muscle extend to?

Answer 3

From the vertebra it extends to the Costo-chondral junction

Question 4

Where does the internal muscle extend to?

Answer 4

From the sternum to the Coastal angle

Question 5

Where does the innermost muscle extend to?

Answer 5

Situated in the middle

Completed by the thoracis muscle and the subcoastalis muscle

Question 6

What completes the intercostal muscles?

Answer 6

An aponeurosis

Question 7

What do the intercostal muscles do?

Answer 7

• Respiration

- Prevent the lungs from ballooning out of the ribs

Question 8

Neurovascular bundle where is it located?

Answer 8

Just below every rib

Question 9

Order of neurovascular bundle?

Answer 9

VAN

Question 10

Where would you insert a chest drain

Answer 10

5th intercostal mid-axillary

Just above a rib to avoid hitting the neurovascular bundle

Question 11

What does a chest stain penetrate through?

Answer 11

Skin 
Superficial fascia 
Deep Fascia 
Intercoastal muscle
Parietal pleura 
Pleural cavity 
NOT VISCERAL