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Published on: May 23, 2019
Effect of individual finger skin temperature on vibrotactile perception threshold
Barbara Harazin1, Agnieszka Harazin-Lechowska, Jacek Kałamarz
1Ward for Occupational Diseases, Institute of Occupational Medicine and Environmental Health, Sosnowiec, Poland, b.harazin@imp.sosnowiec.pl.
Objectives:
In healthy people, the vibrotactile perception threshold (VPT) at fingertips depends on a given measurement method and on individual characteristics such as age, gender and finger skin temperature. The aim of the study was to compare the VPT values in 2 groups of healthy subjects with different finger skin temperature.
Materials And Methods:
The study group comprised 56 males and 76 females, who formed pairs matched with respect to age, gender and body mass index (BMI) but differing in terms of finger skin temperature at pre-launch testing. The finger skin temperature of less than 29°C indicated the subjects with "cold hands" and that of more than 29°C, the subjects with "warm hands". The measuring system made use of P8 pallesthesiometer (EMSON-MAT, Poland) and the measurement procedure was in compliance with the ISO 13091-1:2001 standard. VPT measurements were performed for the index, middle and ring fingers of both hands at the frequencies of 4 Hz, 25 Hz, 31.5 Hz, 63 Hz, 125 Hz and 250 Hz.
Results:
The findings of the study revealed that the mean VPTs among the subjects with "cold hands" were significantly higher than the corresponding values among the subjects with "warm hands".
Conclusions:
The type of individual peripheral thermoregulation should be considered when assessing the VPT and determining its reference values.
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