UMN vs LMN

Question 1

is pronator drift UMN or LMN?

Answer 1

UMN

Question 2

how is tone affected in UMN and LMN?

Answer 2

UMN - increased

LMN - decreased

Question 3

what type of weakness do you get in UMN?

and in LMN?

Answer 3

pyramidal weakness (extensors in arms and flexors in legs)

either proximal (muscle weakness) or distal ( peripheral neuropathy)

Question 4

reflexes?

Answer 4

increased in upper

reduced in lower

Question 5

wasting or fasiculatinons?

Answer 5

not in UMN

present in LMN