Acute effects of cryotherapy on postural control

被引：5

作者：

Giemza, Czeslaw ^{[1
]}

Czech, Piotr ^{[1
]}

Paluszak, Adam ^{[1
]}

Biec, Ewa ^{[1
]}

Borzucka, Dorota ^{[2
]}

Kuczynski, Michal ^{[1
,2
]}

机构：

[1] Acad Phys Educ Wroclaw, Fac Physiotherapy, PL-51612 Wroclaw, Poland

[2] Opole Univ Technol, Dept Biomech, PL-45758 Opole, Poland

来源：

NEUROSCIENCE LETTERS | 2013年 / 536卷

关键词：

Cooling; Thermoregulation; Sway; Body stability; Stabilography; Entropy; WHOLE-BODY CRYOTHERAPY; OF-PRESSURE TRAJECTORIES; JOINT POSITION SENSE; TEMPERATURE; BALANCE; COLD; SWAY; VARIABILITY; PERFORMANCE; REGULARITY;

D O I：

10.1016/j.neulet.2012.12.037

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

To investigate the acute effects of whole-body cryotherapy (WBC) on postural control, we measured postural sway (COP) in a quiet stance with eyes open in four consecutive 20-second tests: before and 1, 6 and 11 min after the WBC. Twenty-four healthy young subjects aged 19.3 +/- 0.9 were exposed to WBC (-110 degrees C) for 2 min. The time series recorded with a sampling rate of 100 Hz was used to evaluate postural performance (COP variability) and strategies (COP frequency and entropy). There were no differences between the pre- and post-WBC values of these measurements in the frontal plane; however, in the sagittal plane postural sway increased immediately after WBC (p < 0.05) and remained elevated throughout the experiment. Deteriorated performance brought about lagged changes in postural strategies, including a decrease in frequency and entropy. These changes remained sustained until the end of the experiment. In conclusion, the WBC caused a drop in complexity, adaptability, and automaticity in postural control, which accounted for specific constraints imposed on the postural system due to cooling. (C) 2013 Elsevier Ireland Ltd. All rights reserved.

引用

页码：6 / 9

页数：4

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