Table 2.

Features are extracted from acceleration, gyroscope, orientation, and surface electromyography data.

Features	Study authors
CSD, peak (positive), peak (negative), RMS	McIntosh et al [40]
ACAbsArea, ACAbsCV, ACAbsMean, ACEntropy, ACIQR, ACKur, ACQ1, ACQ3, ACRange, ACSkew, ACVar, DCArea, DCMean, DCPostureDist, DCTotalMean	Munguia Tapia et al [41]
|AL|, |∆AL|, |∆AR|, |∆AR|, |∆MAV|, AJ, AL, AR, RAJ, RMAV, SAJ, SDAL, SDAR, SRAJ	Xie et al [42]
meanPKT, meanPSD, medainS, medianPKT, medianPSD, stdPKT, stdPSD, stdS	Zhang et al [43]