Effects of Different Transcranial Pulse Current Stimulation Programs on Fatigue Elimination in Physical Cognitive Mixed Tasks
10.3969/j.issn.1000-6710.2023.10.004
- VernacularTitle:不同经颅脉冲电刺激方案对体力-认知混合任务疲劳消除的效果
- Author:
Qingchang WU
1
;
Guoliang FANG
;
Hu LOU
;
Jiexiu ZHAO
;
Yangyang SHEN
;
Jian LIU
Author Information
1. 苏州大学(苏州 215006)
- Keywords:
transcranial pulse current stimulation;
transcranial electrical stimulation;
physical cogni-tive mixed task fatigue;
stimulation program
- From:Chinese Journal of Sports Medicine
2023;42(10):780-791
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the effect of different transcranial pulse current stimulation(tPCS)program on the elimination of fatigue in physical cognitive mixed tasks.Methods Thirty healthy college athletes were randomly divided into group Ⅰ'and groupⅡ',each of 15.Then,both groups of sub-jects exercised on power bicycles.Ten subjects were screened from Group Ⅰ'and Ⅱ'meeting the crite-ria of moderate and severe physical cognitive mixed task fatigue using the Rating of Perceived Exer-tion respectively.Both groups received five tPCS interventions.Before and after each intervention,the subjects were tested for heart rate variability(HRV)and oxygenated hemoglobin(HbO2)concentration,and the effect of different stimulations on the fatigue elimination in physical cognitive mixed tasks of different severities were measured.Meanwhile,the HRV measurements included root mean square of difference between adjacent R-R intervals(RMSSD),standard deviation of all normal-to-normal inter-vals(SDNN),high frequency(HF)and low frequency(LF).Results①After tPCS intervention,the aver-age SDNN,HF and HbO2 increased significantly(P<0.05),while the average IF decreased significantly(P<0.05).②In physical cognitive mixed task of moderate fatigue,the biggest change of each index ap-peared after the tPCS program D(20 min,sensory intensity).③In the physical cognitive mixed task of severe fatigue,the change range of each index was the largest after the tPCS program C(20 min,sensory intensity + 0.2 mA).Conclusion ①After physical cognitive mixed tasks,different tPCS stimu-lation programs have different effects on the elimination of fatigue with an optimal"stimulant dose".②The effects of five intervention programs on the elimination of physical fatigue of athletes are as fol-lows:For the elimination of moderate fatigue of physical cognitive mixed task,program D of tPCS(20 min,sensory intensity)has the greatest effect,while for the elimination of severe fatigue of physical cognitive mixed task,program C of tPCS(20 min,sensory intensity + 0.2 mA)has the greatest effect.
