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Electromyography (Electrode types (Fine-wire (MOST EFFECTIVE,…
Electromyography
Electrode types
Fine-wire
MOST EFFECTIVE
Intramuscular (needle) EMG
Surface
DOABLE
SEMG
EMG signal processing
Rectification
Signal is biphasic
Characteristics of EMG signal
Amplitude-magnitude of the signal
Frequency-number of waves per second
Uses of EMG data
Data for individual or groups of muscles relating to:
Force
Activation time (ON/OFF)
Fatigue
Compare different muscles in terms of:
Relative contribution
Co-activation
Identification of activation patterns
Collecting EMG data
Filtering
What is EMG?
Know how to draw MUAP
EMG interpretation