ABSTRACT

The effects of thermotherapy on autonomic nervous system activity and subjective sensations of fatigue and arousal are unclear. This study compared the effects of capacitive and resistive electric transfer (Cret) interventions (deep thermotherapy) and hot packs (superficial thermotherapy) on autonomic nervous system activity in healthy young women (n = 16). Heart rate and RR interval were measured using electrocardiography, and the coefficient of variation (CV) of the RR interval was used to evaluate autonomic nervous system activity. The subjective relaxation effect was evaluated using the Roken Arousal Scale (RAS) - a fatigue arousal index. The intervention was performed on the lumbar region for 20 minutes for both Cret and hot pack. After each intervention, the CV values increased only in the Cret condition, whereas the heart rate decreased in both conditions. This suggests that parasympathetic activity was enhanced in the Cret condition. In contrast, the subjective relaxation evaluation observed a psychological relaxation effect under both conditions. Our results suggest that Cret application in the lumbar region has greater relaxation effects than hot pack application in the same region.

摘要

热疗对自主神经系统活动以及疲劳和觉醒的主观感觉的影响尚不清楚。本研究比较了电容和电阻电转移 (Cret) 干预（深层热疗）和热敷（表面热疗）对健康年轻女性（n = 16）自主神经系统活动的影响。使用心电图测量心率和RR间期，并使用RR间期的变异系数（CV）评估自主神经系统活动。使用 Roken Arousal Scale (RAS) - 一种疲劳唤醒指数来评估主观放松效果。对于 Cret 和热敷，对腰部区域进行了 20 分钟的干预。每次干预后，CV 值仅在 Cret 条件下增加，而在这两种情况下心率都下降了。这表明在克里特状态下副交感神经活动得到了增强。相比之下，主观放松评估在两种情况下都观察到了心理放松效果。我们的结果表明，在腰椎区域应用 Cret 比在同一区域应用热敷具有更大的放松效果。