Table 4.
Mechanical vibration parameters, as measured via accelerometry.
| Set Frequency |
|||
|---|---|---|---|
| 6 Hz | 12 Hz | 24 Hz | |
| Observed Frequency [Hz] | 6.2 (0.02) | 11.9 (0.04) | 23.6 (0.04) |
| Frequency CV [%] | 0.33 (0.04) | 0.59 (0.12) | 1.16 (0.02) |
| aRMS [g] | 4.7 (0.03) | 17.8 (0.15) | 67.2 (1.75) |
| aMax [g] | 7.00 (0.06) | 24.91 (0.51) | 97.86 (3.1) |
| Ap2p [mm] | 9.36 (0.08) | 8.86 (0.14) | 8.93 (0.26) |
| Power 1sHarmonic [%] | 98.9 (0.13) | 98.6 (0.38) | 99.5 (0.11) |
CV: coefficient of variation, assessed within trials and averaged across all trials; aRMS: averaged root-mean-square acceleration, given in multiples of 9.81 m/s2 (g); aMax: peak acceleration within each cycle, given in g; Ap2p: peak-to-peak amplitude, given in mm; Power of the 1st harmonic in % of the total signal power. Data are given as means (SD).