Wrist ROM And Muscles

Question 1

FCR innervation and nerve root

Answer 1

Median nerve C6, 7

Question 2

FCU innervation and nerve root

Answer 2

Ulnar nerve C8, T1

Question 3

Palmaris longus innervation and nerve root

Answer 3

Median nerve C7, 8

Question 4

FDS innervation and nerve root

Answer 4

Median nerve C7, 8, T1

Question 5

FDP innervation and nerve root

Answer 5

2nd and 3rd digits = median nerve C7, 8, T1

4th and 5th digits = ulnar nerve C7, 8, T1

Question 6

FPL innervation and nerve root

Answer 6

Median nerve C8, T1

Question 7

ECRL innervation and nerve root

Answer 7

Radial nerve C6, 7

Question 8

ECRB innervation and nerve root

Answer 8

Radial C6, 7

Question 9

ECU innervation and nerve root

Answer 9

Radial nerve C7, 8

Question 10

EDC innervation and nerve root

Answer 10

Radial nerve C7, 8

Question 11

EDM innervation and nerve root

Answer 11

Radial nerve C7, 8

Question 12

Extensor indicis innervation and nerve root

Answer 12

Radial nerve C6, 7, 8

Question 13

EPL innervation and nerve root

Answer 13

Radial nerve C6, 7, 8

Question 14

What are the 6 extensor compartments of the wrist

Answer 14

1 = APL, EPB
2 = ECRL, ECRB
3 = EPL
4 = EDC, EI
5 = EDM
6 = ECU

Question 15

What muscles are innervated by posterior interosseous nerve

Answer 15

1. ECRB
2. EDC
3. EI
4. ECU
5. EPL
6. EPB
7. APL
8. EDM
9. Supinator

Question 16

Muscles innervated by anterior interosseous nerve

Answer 16

FDP 2nd and 3rd digits
Pronator quadratus
FPL