Wrist

Question 1

What is a positive ulnar variance and what injury is this finding assoicated with?

Answer 1

Ulnar longer than radius

TFCC

Question 2

What are the proximal borders of carpal tunnel?

Answer 2

Ulnar side- hook of hamte

Radial side- Scaphoid

Question 3

What are the distal borders of carpal tunnel?

Answer 3

Radial- trapezium

ulnar- pisiform

Question 4

Structures that compose carpal tunnel?

Answer 4

Carpal tunnel contents
four flexor digitorum superficialis (FDS) tendons
four flexor digitorum profundus (FDP) tendons
flexor pollicis longus (FPL)
median nerve

Question 5

Most sensitive test for CT?

Answer 5

CT compression test. Compress nerve with thumb

Symptoms within 30 s is a + test.

Question 6

Median nerve motor component?

Answer 6

Lumbricals 1-2. Flex at MCP joint and extension at IP joints

Question 7

Main cause of the Superficial radial nerve compression

Answer 7

nerve trapped between the ECRL and BR

Question 8

Ortho referral for distal radius fracture?

Answer 8

2mm step off

20 degree dorsal angulation