This part of ISO 13091 specifies<\/p>\n
methods for measuring vibrotactile perception thresholds (VPTs) at the fingertips,<\/p>\n<\/li>\n
procedures for conducting the measurements, and<\/p>\n<\/li>\n
the reporting of results.<\/p>\n<\/li>\n<\/ul>\n
Measurement methods are defined in this part of ISO 13091 for obtaining perception thresholds at the fingertips mediated, separately, by SAI, FAI and FAII mechanoreceptor populations. The methods are designed to be applicable to healthy and diseased persons, and to be suitable for clinical assessment and for screening purposes.<\/p>\n
The measurement of temporary shifts in vibrotactile perception threshold, or of thresholds at body sites other than the fingertip, is outside the scope of this part of ISO 13091.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions, symbols and abbreviated terms 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3.2 Symbols and abbreviated terms 4 Measurement methods 4.1 General <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.2 Stimulus 4.2.1 Stimulator 4.2.2 Stimulus waveform <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.2.3 Stimulus frequency <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4.2.4 Intermittent stimulation 4.2.5 Continuous stimulation <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 4.2.6 Unwanted vibration during a measurement 4.2.7 Unwanted sound during a measurement 4.3 Subject comfort and positioning <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 4.4 Conditions for skin surface 4.4.1 Skin and room temperatures 4.4.2 Skin thickness and stimulation 4.5 Stimulating probe 4.5.1 Probe location 4.5.2 Probe tip geometry 4.5.3 Probe surfaces <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 4.6 Skin-stimulator contact 4.6.1 General 4.6.2 Skin-stimulator contact force and skin indentation <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 4.6.3 Method A: Without a surround 4.6.4 Method B: With a surround 4.7 Psychophysical algorithm <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 4.8 Subject’s response 4.8.1 Method for subject’s response 4.8.2 Detection of inconsistent subject responses 4.9 Skin motion 4.10 System check and calibration <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 4.11 Hazards to the subject 5 Preparation and instruction of subjects before vibrotactile testing 5.1 General 5.2 Prior to testing <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 5.3 Instruction of subject about the test procedure 6 Conduct of vibrotactile perception test 6.1 Familiarization 6.2 Measurement of ascending and descending thresholds <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 6.3 Variability of ascending and descending threshold values <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 6.4 Calculation of vibrotactile perception threshold <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 6.5 Measurement of background vibration 6.6 Measurement of skin temperature 7 Reporting of results <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | \uea01Annex A (informative) Tests for verifying the performance of apparatus for measuring vibrotactile perception threshold <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Mechanical vibration. Vibrotactile perception thresholds for the assessment of nerve dysfunction – Methods of measurement at the fingertips<\/b><\/p>\n |