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Article: Changes in heart-rate variability of survivors of nasopharyngeal cancer during Tai Chi Qigong practice

TitleChanges in heart-rate variability of survivors of nasopharyngeal cancer during Tai Chi Qigong practice
Authors
KeywordsAutonomic nervous system
Mind-body exercise
Head-and-neck cancer
Issue Date2015
PublisherIPEC Inc. The Journal's web site is located at https://www.jstage.jst.go.jp/browse/jpts
Citation
Journal of Physical Therapy Science, 2015, v. 27 n. 5, p. 1577-1579 How to Cite?
Abstract[Purpose] To explore the changes in heart-rate variability (HRV) of survivors of nasopharyngeal cancer (NPC) before, during, and after a Tai Chi (TC) Qigong exercise. [Subjects and Methods] Eleven survivors of NPC participated voluntarily in the study. The heart rate of each participant was measured continuously for 1 minute before the TC Qigong intervention, during the 5-minute TC Qigong intervention, and for 1 minute after the intervention, using a Polar heart-rate monitor. Spectral HRV was expressed in terms of normalised low frequency (LF) power, normalised high frequency (HF) power, and the low frequency/high frequency (LF/HF) power ratio. [Results] Both the LF-power and the HF-power components had significant time effects. However, the time effect of the LF/HF power ratio was not significant. Post hoc contrast analysis revealed a significant decrease in LF power and a concomitant increase in HF power during the 4th minute and 5th minute of the TC Qigong exercise. [Conclusion] Five minutes of TC Qigong exercise was found to improve HRV by increasing HF power and decreasing LF power, but these effects were transient. TC Qigong might be an appropriate exercise for improving the ANS function and psychological and cardiac health of survivors of NPC.
Persistent Identifierhttp://hdl.handle.net/10722/210851
ISSN
2014 Impact Factor: 0.392
2015 SCImago Journal Rankings: 0.411

 

DC FieldValueLanguage
dc.contributor.authorFong, SSM-
dc.contributor.authorWong, JYH-
dc.contributor.authorChung, LMY-
dc.contributor.authorYam, TTT-
dc.contributor.authorChung, JWY-
dc.contributor.authorLee, YM-
dc.contributor.authorChow, LPY-
dc.contributor.authorLuk, WS-
dc.contributor.authorNg, SSM-
dc.date.accessioned2015-06-23T05:56:44Z-
dc.date.available2015-06-23T05:56:44Z-
dc.date.issued2015-
dc.identifier.citationJournal of Physical Therapy Science, 2015, v. 27 n. 5, p. 1577-1579-
dc.identifier.issn0915-5287-
dc.identifier.urihttp://hdl.handle.net/10722/210851-
dc.description.abstract[Purpose] To explore the changes in heart-rate variability (HRV) of survivors of nasopharyngeal cancer (NPC) before, during, and after a Tai Chi (TC) Qigong exercise. [Subjects and Methods] Eleven survivors of NPC participated voluntarily in the study. The heart rate of each participant was measured continuously for 1 minute before the TC Qigong intervention, during the 5-minute TC Qigong intervention, and for 1 minute after the intervention, using a Polar heart-rate monitor. Spectral HRV was expressed in terms of normalised low frequency (LF) power, normalised high frequency (HF) power, and the low frequency/high frequency (LF/HF) power ratio. [Results] Both the LF-power and the HF-power components had significant time effects. However, the time effect of the LF/HF power ratio was not significant. Post hoc contrast analysis revealed a significant decrease in LF power and a concomitant increase in HF power during the 4th minute and 5th minute of the TC Qigong exercise. [Conclusion] Five minutes of TC Qigong exercise was found to improve HRV by increasing HF power and decreasing LF power, but these effects were transient. TC Qigong might be an appropriate exercise for improving the ANS function and psychological and cardiac health of survivors of NPC.-
dc.languageeng-
dc.publisherIPEC Inc. The Journal's web site is located at https://www.jstage.jst.go.jp/browse/jpts-
dc.relation.ispartofJournal of Physical Therapy Science-
dc.subjectAutonomic nervous system-
dc.subjectMind-body exercise-
dc.subjectHead-and-neck cancer-
dc.titleChanges in heart-rate variability of survivors of nasopharyngeal cancer during Tai Chi Qigong practice-
dc.typeArticle-
dc.identifier.emailFong, SSM: smfong@hku.hk-
dc.identifier.emailWong, JYH: janetyh@hku.hk-
dc.identifier.authorityFong, SSM=rp01759-
dc.identifier.authorityWong, JYH=rp01561-
dc.identifier.doi10.1589/jpts.27.1577-
dc.identifier.hkuros243705-
dc.identifier.volume27-
dc.identifier.issue5-
dc.identifier.spage1577-
dc.identifier.epage1579-
dc.publisher.placeJapan-

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