Ulnar Nerve

Question 1

LOOK

Answer 1

Splints; muscle wasting on median aspect of arm
Extend elbow to side- medial wounds, extension varus or valgus
Flex elbow to front- olecranon wounds
Extend elbow to front- ant wounds, carrying angle, forearm wasting
Palm up on table- clawing, hypothenar eminence, scars
Thumb up- thenar eminence
Palm down- clawing, interossei/ add pollicus wasting

Question 2

FEEL

aka sensation

Answer 2

Dorsum of wrist (ulnar side)- dorsal branch of ulnar nerve
Palmar cut branch- hypothenar eminence
Medial forearm- above ulnar aka funny bone.

Question 3

MOVE

Answer 3

ABOVE THE WRIST
FCU(C7) flex wrist… See if ulnar deviation
FDP(3rd & 4th fingers) flex MCP & flex PIP against R

BELOW THE WRIST
AbDM- abduct @ MCP
Dorsal interossei- squeeze DAB
Adductor pollicus- fromets sign- ➕ if uses FPL to grip
Card sign- index & 3rd finger
Lat 2 lumbricals- flex MCP palmar interossei & extension PIP & DIP

Question 4

SPECIAL TESTS

Answer 4

Tinnels @ cubital tunnel and Guyons cannel 
Coin pinch 
Tripod grip 
Key grip
Power grip