Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22527
Title: Changes in skin impedance and heart rate variability with application of Acu-TENS to BL 13 (Feishu)
Authors: Ngai, SPC 
Jones, AYM
Issue Date: 2013
Publisher: Mary Ann Liebert Inc.
Source: Journal of alternative and complementary medicine, 2013, v. 19, no. 6, p. 558-563 How to cite?
Journal: Journal of alternative and complementary medicine 
Abstract: Objectives: To investigate the change of skin impedance of acupoints along the Lung meridian in response to transcutaneous electrical nervous stimulation over an acupoint (Acu-TENS) over BL13 (Feishu). Design: This was a double-blinded, randomized, controlled crossover study. Settings/location: The study was conducted in a laboratory. Subjects: Eighteen (18) healthy individuals comprised the study subjects. Interventions: The intervention was a session of 45-minute Acu-TENS (application of TENS on BL13, Feishu) or placebo-TENS (similar to Acu-TENS but without electrical output). Outcome measures: Skin impedance at 10 acupoints on the Lung meridian was recorded before and after the 45-minute intervention period. Heart rate variability during the intervention was analyzed from continuous heart rate monitoring. Results: Skin impedance at all acupoints along the lung meridian decreased significantly after Acu-TENS, when compared to placebo-TENS (p<0.05). A significant reduction in sympathetic activity was also observed after Acu-TENS (p=0.012). Conclusions: Acu-TENS appears to modify skin impedance of acupoints along a related meridian and possibly modulates sympathovagal balance.
URI: http://hdl.handle.net/10397/22527
ISSN: 1075-5535
EISSN: 1557-7708
DOI: 10.1089/acm.2012.0097
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