EMG

Question 1

______ EMG = summed APs and may have interference issues.

Answer 1

surface

Question 2

_______ EMG = individual APs

Answer 2

intramuscular

Question 3

_____ ______ = one neuron and all the muscle fibres it innervates

Answer 3

motor unit

Question 4

____ ______ ______ is a technique for rectifying the raw signal and converting it to an amplitude envelope.

Answer 4

root mean square

Question 5

What are 5 key factors to consider when describing neuroanatomy to patients and families?

Answer 5

1. age
2. cognitive status
3. language
4. environmental context
5. time you have to spend with them

Question 6

What are 5 key considerations when using EMG?

Answer 6

1. MVC
2. muscle fatigue
3. type of contraction
4. proximity of motor unit to electrode
5. firing rate