Digit III – Palm, Digit III – Wrist
Sensitivity was 20 μV/division, low-frequency filter was 10 Hz, high-frequency filter was 5 kHz, sweep speed was 2 ms/division, duration of pulse was 0.1 ms (0.05 for digit III to reduce stimulus artifact), and the machine used was a Medelec Sapphire 4ME. Rate of pulse was not specified.
This study was performed in the supine position, with the hands and forearms placed on an arm support with the wrist in a neutral position and the digits relaxed.
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