TEMPERATURE-DEPENDENCE OF THE ELECTRICAL AND MECHANICAL RESPONSES OF THE ADDUCTOR POLLICIS MUSCLE IN HUMANS

被引：23

作者：

HOPF, HC ^{[1
]}

MAURER, K ^{[1
]}

机构：

[1] UNIV WURZBURG, PSYCHIAT KLIN, KLIN NEUROPHYSIOL & ELEKTROENCEPHALOG ABT, W-8700 WURZBURG, GERMANY

来源：

MUSCLE & NERVE | 1990年 / 13卷 / 03期

关键词：

changes with temperature; contraction time; distal latency; electromechanical latency; evoked muscle response amplitude; isometric force; muscle response duration; relaxation time;

D O I：

10.1002/mus.880130314

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Changes at low temperatures of the electrical and mechanical activity of the adductor pollicis muscle were studied in 10 volunteers. Decreasing temperatures resulted in increased amplitude and duration of the negative phase and peak‐to‐peak amplitude of the evoked muscle action potential. Distal latency, electromechanical latency, contraction time, and half‐relaxation time were also increased while isometric force, contraction velocity, and relaxation velocity were decreased. The increase of contraction time is greater over the temperature range below 28°C than above 29°C. Skin temperature differs significantly from muscle temperature, showing about 3°C lower values during cooling and up to 4°C higher values during rewarming with radiant heat. Copyright © 1990 John Wiley & Sons, Inc.

引用

页码：259 / 262

页数：4

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