Effect on subjects | Joint angle effect | Gripping force effect | Loading effect | |||||
---|---|---|---|---|---|---|---|---|
At 135° | At 90° | At 45° | 0.5 kg | 2.5 kg | 0.5 kg | 2.5 kg | ||
Upper arm channel (A1A2) | ||||||||
S1 | Gain (dB) | 1.27 | 3.11 | 3.75 | 0.17 | 0.18 | 0.11 | 0.21 |
Phase (degree) | 1.42 | 2.85 | 2.16 | 2.65 | 2.41 | 0.55 | 0.97 | |
S2 | Gain (dB) | 1.97 | 3.44 | 4.09 | 0.11 | 0.11 | 0.08 | 0.15 |
Phase (degree) | 1.15 | 1.97 | 3.21 | 0.82 | 0.79 | 0.30 | 0.69 | |
S3 | Gain (dB) | 1.51 | 3.79 | 4.49 | 0.15 | 0.17 | 0.49 | 0.30 |
Phase (degree) | 1.25 | 2.14 | 3.24 | 0.25 | 0.28 | 0.64 | 0.97 | |
S4 | Gain (dB) | 2.00 | 3.68 | 4.96 | 0.33 | 0.77 | 0.10 | 0.63 |
Phase (degree) | 2.21 | 2.91 | 2.10 | 0.83 | 0.68 | 0.41 | 0.54 | |
p value | On gain | 0.014 | 0.826 | 0.793 | ||||
On phase | 0.946 | 0.991 | 0.992 | |||||
Channel through the joint (A1A3) | ||||||||
S1 | Gain (dB) | 3.89 | 6.24 | 9.56 | 0.35 | 0.38 | 0.76 | 0.53 |
Phase (degree) | 4.62 | 3.38 | 6.94 | 2.29 | 2.65 | 1.93 | 1.81 | |
S2 | Gain (dB) | 3.20 | 7.46 | 11.70 | 0.47 | 0.38 | 0.33 | 0.43 |
Phase (degree) | 2.11 | 4.97 | 9.22 | 1.83 | 2.11 | 1.25 | 2.20 | |
S3 | Gain (dB) | 1.09 | 4.36 | 8.11 | 0.19 | 0.36 | 0.26 | 0.13 |
Phase (degree) | 1.81 | 3.41 | 7.09 | 0.90 | 1.13 | 1.92 | 1.35 | |
S4 | Gain (dB) | 1.34 | 5.68 | 10.51 | 0.26 | 0.24 | 0.30 | 0.68 |
Phase (degree) | 3.25 | 6.48 | 11.35 | 3.65 | 3.66 | 0.90 | 1.05 | |
p value | On gain | 0.001 | 0.904 | 0.987 | ||||
On phase | 0.899 | 0.836 | 0.913 |