Week 7(A) Quiz - 1008AHS

Which of the following is more likely to pick up more EMG signals, if everything else is the same?

• Fine Wire

• Surface

• Positive wiring

• Negative

An electrode should be placed over the _________ bulk of muscle to minimise the risk of _______

• Greatest; cross-talk

• Least; cross-talk

• Greatest; EMG transmission

• Least; EMG transmission

What are possible sources of noise?

• Electrical instrumentation

• Lights

• Power lines

• All of the above

Which of the following could be a problem that can be encountered if the signal is amplified excessively?

• Saturation

• Poor resolution

• Impedance

• Cross-talk

What is the minimum requirement of a common mode rejection ratio?

• 30dB

• 70dB

• 90dB

• 120dB

Which of the following is the odd one out?

• Contractile element

• Series elastic component

• Parallel elastic component

• Passive elastic component