EMG data were collected and processed with LabVIEW 3.1 software (National Instruments, Austin, Texas, USA) using a MacIntosh IICi computer and a 12 bit multifunction I/O board (NB-MIO-16X, National Instruments).
EMG data werecollected and processed with LabVIEW 3.1 software(National Instruments, Austin, Texas, USA)using a MacIntosh IICi computer and a 12 bitmultifunction I/O board (NB-MIO-16X, NationalInstruments).