CT SH
Electromyography of the larynx
Illustration of the technique of electromyography
Intramuscular recordings using hooked-wire electrodes:
A needle is used to insert two very thin wires (the electrodes) into the muscle.
The needle is then withdrawn, so that only the wires remain in the muscle.
needle e wire
insulation removed (0.5 mm)
EMG Expts. - 10 - Hoole
−1
−0.5 0 0.5 1
AUDIO (V)
−200
−100 0 100 200
SHL (uV)
STERNOHYOID
−100
−50 0 50 100
CTR (uV)
CRICOTHYROID
1.4 1.6 1.8 2 2.2 2.4 2.6 2.8
8
cut_type
Time (s)
Pitch glide, low−high
EMG Expts. - 12 - Hoole
−1
−0.5 0 0.5 1
AUDIO (V)
−200
−100 0 100 200
SHL (uV)
STERNOHYOID
−100
−50 0 50 100
CTR (uV)
CRICOTHYROID
1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8
8
cut_type
Time (s)
"gefaape nicht gepaafe"
A+F01/
A+F01/
A+F01/