EMG

Question 1

Where do you place the electrodes when doing an EMG of the upper limb?

Answer 1

On the muscle bulks: 2 on bicep (black and white), 2 on tricep (red and brown) and one on the wrist (green - ground electrode)

Question 2

What should the sampling rate be set to?

Answer 2

100 m/s

Question 3

What should the amplitude be for the EMG?

Answer 3

1 or 2 mV for channels 3 and 4

Question 4

What should the time compression be?

Answer 4

5:1

Question 5

How do you test the response of the biceps and triceps?

Answer 5

Get patient to try to lift the table up, i.e. palm of hand under
Get patient to push table down with dordal surface of hand