Superficial back (710)

Question 1

Borders of triangle of auscultation

Answer 1

1) Superficial horizontal border of lat. dorsi
2) Medial border of scapula / inferomedial border of rhomboid major
3) Inferolateral border of trap

Question 2

Injury to the Accessory Nerve (CN XI)

Answer 2

• Accessory nerve innervates trapezius.

- Ipsilateral weakness when shoulders elevated

Question 3

What nerve is at risk during surgery of the inferior axilla?

Answer 3

• Thoracodorsal nerve (C6-C8)

Question 4

What deficits result from injury to the thoracodorsal nerve?

Answer 4

• Inability to raise the the trunk with upper limbs or using axillary crutch

Question 5

Injury to dorsal scapular

Answer 5

• Affects actions of the rhomboids

- Scapula on affected side located more laterally