The Validity of Ultra-Short-Term Heart Rate Variability during Cycling Exercise

Ultra-short-term heart rate variability (HRV) has been validated in the resting state, but its validity during exercise is unclear. This study aimed to examine the validity in ultra-short-term HRV during exercise considering the different exercise intensities. HRVs of twenty-nine healthy adults were...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Vol. 23; no. 6; p. 3325
Main Authors: Tanoue, Yukiya, Nakashima, Shihoko, Komatsu, Tomohiro, Kosugi, Miki, Kawakami, Saki, Kawakami, Shotaro, Michishita, Ryoma, Higaki, Yasuki, Uehara, Yoshinari
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 22.03.2023
MDPI
Subjects:
Adult
Catecholamines
Catheters
Comparative analysis
Exercise
Exercise - physiology
Exercise intensity
Exercise Test
Exercise Therapy
frequency-domain
Heart beat
Heart failure
Heart rate
Heart Rate - physiology
Humans
non-linear analysis
Physiology
Time Factors
Time series
time-domain
Japan
exercise intensity
frequency-domain
non-linear analysis
time-domain
ISSN:1424-8220, 1424-8220
Online Access:Get full text
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Summary:Ultra-short-term heart rate variability (HRV) has been validated in the resting state, but its validity during exercise is unclear. This study aimed to examine the validity in ultra-short-term HRV during exercise considering the different exercise intensities. HRVs of twenty-nine healthy adults were measured during incremental cycle exercise tests. HRV parameters (Time-, frequency-domain and non-linear) corresponding to each of the 20% (low), 50% (moderate), and 80% (high) peak oxygen uptakes were compared between the different time segments of HRV analysis (180 s (sec) segment vs. 30, 60, 90, and 120-sec segments). Overall, the differences (bias) between ultra-short-term HRVs increased as the time segment became shorter. In moderate- and high-intensity exercises, the differences in ultra-short-term HRV were more significant than in low intensity exercise. Thus, we discovered that the validity of ultra-short-term HRV differed with the duration of the time segment and exercise intensities. However, the ultra-short-term HRV is feasible in the cycling exercise, and we determined some optimal time duration for HRV analysis for across exercise intensities during the incremental cycling exercise.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s23063325