3.2. Variation in thresholds with location on the hand and foot
With 20 Hz vibration, there was a significant difference between
thresholds at the fingertip, the thenar eminence and the sole of foot
with 1 mm, 3 mm, 6 mm and 10 mm probes
Vibrotactile thresholds at the thenar eminence and the sole of the
foot were higher than thresholds at the fingertip with 1 mm, 3 mm,
6 mm, and 10 mm probe (p
≤
0.05, Wilcoxon).
With 160 Hz vibration, thresholds with the 1 mm, 3 mm, 6 mm,
and 10 mm probes were lowest at the fingertips and highest at the
big toe among the six locations (Fig. 2 and Table 3).
3.1. Variation in thresholds with contact area
3.2. Variation in thresholds with location on the hand and footWith 20 Hz vibration, there was a significant difference betweenthresholds at the fingertip, the thenar eminence and the sole of footwith 1 mm, 3 mm, 6 mm and 10 mm probes Vibrotactile thresholds at the thenar eminence and the sole of thefoot were higher than thresholds at the fingertip with 1 mm, 3 mm,6 mm, and 10 mm probe (p≤0.05, Wilcoxon).With 160 Hz vibration, thresholds with the 1 mm, 3 mm, 6 mm,and 10 mm probes were lowest at the fingertips and highest at thebig toe among the six locations (Fig. 2 and Table 3).3.1. Variation in thresholds with contact area
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