EMG Measurement

What does the electromyography (EMG) measure?

• the electrical activity ​produced when blood cells flow

• the electrical activity ​produced when a somatic motor neuron stimulates

• the electrical activity ​produced when a brain cell is activated

• the electrical activity ​produced when heart beats

How many electrodes were used ?

• 12

• 8

• 6

• 3

What is the name of sensor ?

• AD8232

• MAX301002

• Myoware

• MAX30100

Red EMG lines represent....

• relaxation

• contraction

To record muscle activity, Vcc of sensor was connected with ...

• 3.3 V

• 5 V

• 8 V

• 10 V

If we relax, the amplitude of EMG...

• increase

• decrease

• does not change

From serial monitor, we measured EMG values in ..... unit.

• milivolt (mV)

• seconds (sec)

• beat per minute (bpm)

• percentage (%)

How EMG is measured ?

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• 
• 
• 

Which of the followings is the circuit diagram of EMG measurement ?

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• 
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• 

Which of the following equipment is not required for EMG measurement?

• Differential Amplifier

• Probe

• Filter

• A/D Converter

• Computer