Table 5. , FMDF, SSP and WMDF mean values and IECV values for each muscle with and without impact. Deltoid Anterior Triceps Brachii Brachioradialis Variable Impact Mean IECV Mean IECV Mean IECV rms with .1675 73.74 .2106 53.90 .3132 41.23 without .1905 77.48 .2196 56.54 .2215 44.55 FMDF with 115.72 14.82 135.00 28.91 128.91 20.76 without 122.56 11.29 133.55 17.44 116.21 11.64 SSP with 23742 18.71 35662 77.06 36389 38.14 without 21339 15.54 22016 15.01 24895 28.87 WMDF with 92.67 18.29 85.40 35.08 63.50 23.64 without 97.71 7.67 93.67 9.24 89.21 21.13 = root mean square, FMDF = Fourier median frequency (Hz), SSP = sum of significant power (V), WMDF = wavelet median frequency (Hz), IECV = inter-subject coefficient of variation (%)