Ulnar Nerve Pathway Flashcards Preview

SCT4 MSK Midterm O/P > Ulnar Nerve Pathway > Flashcards

Flashcards in Ulnar Nerve Pathway Deck (6)
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1
Q

Where does the Ulnar nerve pathway originate (exit SC)?

2

A

VIA BRACHIAL PLEXUS
from
C8 - T1 NERVE ROOTS

2
Q

Name the complete list of where the Ulnar nerve travels?

7

A
  1. MEDIALLY DOWN THE ARM
  2. BESIDE BICEPS BRACHII
  3. PASSES POSTERIOR TO MEDIAL EPICONDYLE at ELBOW through the CUBITAL TUNNEL
  4. TRAVELS DOWN MEDIAL FOREARM
  5. UNDER FLEXOR CARPI ULNARIS
  6. TRAVELS INTO WRIST UNDER THE PISIFORM
  7. THEN THE TUNNEL OF GUYON
3
Q

Name the first 4 steps of where the Ulnar nerve travels?

A
  1. MEDIALLY DOWN THE ARM
  2. BESIDE BICEPS BRACHII
  3. PASSES POSTERIOR TO MEDIAL EPICONDYLE at ELBOW through the CUBITAL TUNNEL
  4. TRAVELS DOWN MEDIAL FOREARM
4
Q

Name the final 3 steps of where the Ulnar nerve travels?

A
  1. UNDER FLEXOR CARPI ULNARIS
  2. TRAVELS INTO WRIST UNDER THE PISIFORM
  3. THEN THE TUNNEL OF GUYON
5
Q

What does the Ulnar nerve innervate?

2

A

LATERAL and MEDIAL SURFACE
of
4TH and 5TH FINGERS

6
Q

What are 3 entrapment sites of the Ulnar N?

A
THORACIC OUTLET
\+
CUBITAL TUNNEL
\+
TUNNEL OF GUYON