Submaximal exercise intensity modulates acute post-exercise heart rate variability

Michael, Scott; Jay, Ollie; Halaki, Mark; Graham, Kenneth; Davis, Glen M.

doi:10.1007/s00421-016-3327-9

Cited by 66 publications

(66 citation statements)

References 39 publications

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“…In contrast, inspection of Figure 4 suggests that exercise intensity may elicit a more graded (rather than binary) effect on HRV recovery (at least during the first hour post-exercise). This latter interpretation is consistent with the findings of a recent study by this research group demonstrating a graded response following three different exercise intensities (Michael et al, 2016). …”

Section: Hrv During Post-exercise Recoverysupporting

confidence: 93%

“…In addition to different modalities being utilized between these studies, the duration for which participants exercised at each intensity varies greatly, such as 2 min (Tulppo et al, 1996; Martinmaki et al, 2008), 3 min (Tulppo et al, 1998, 1999; Hautala et al, 2003; Karapetian et al, 2012), 5 min (Radaelli et al, 1996), 8 min (Casties et al, 2006; Michael et al, 2016), 10 min (Martinmaki and Rusko, 2008) and 15 or more min (Yamamoto et al, 1991; Saito and Nakamura, 1995; Leicht et al, 2008; Boettger et al, 2010). Nevertheless, an analysis of the literature allows us to identify some general responses for some HRV measures as a function of exercise intensity.…”

Section: Hrv During Exercisementioning

confidence: 99%

“…While the conventional HF band of 0.15–0.40 Hz has often been employed during exercise (Tulppo et al, 1996, 1998; Hautala et al, 2003; Leicht et al, 2008; Fisher et al, 2009; Boettger et al, 2010), this band may not be suitable during exercise where higher respiratory frequencies are observed, and therefore different lower limits such as 0.18 Hz have previously been employed (Radaelli et al, 1996; Spadacini et al, 2006), as have different upper limits including 0.35 Hz (Spadacini et al, 2006), 0.50 Hz (Dixon et al, 1992; Avery et al, 2001; Povea et al, 2005), 0.80 Hz (Lunt et al, 2011), 1.00 Hz (Pichon et al, 2004; Casties et al, 2006; Martinmaki and Rusko, 2008), 1.20 Hz (Martinmaki et al, 2008), 1.50 Hz (Perini et al, 2006; Michael et al, 2016), and 2.00 Hz (Cottin et al, 2006). Furthermore, most studies report absolute power (ms 2 ) Yamamoto et al, 1991; Saito and Nakamura, 1995; Tulppo et al, 1996; Hautala et al, 2003; Pichon et al, 2004; Spadacini et al, 2006; Leicht et al, 2008; Martinmaki and Rusko, 2008; Martinmaki et al, 2008; Fisher et al, 2009, although some report power spectral density (ms 2 .Hz −1 ) (Avery et al, 2001; Povea et al, 2005; Casties et al, 2006).…”

Section: Hrv During Exercisementioning

confidence: 99%

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Cardiac Autonomic Responses during Exercise and Post-exercise Recovery Using Heart Rate Variability and Systolic Time Intervals—A Review

2017

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Cardiac parasympathetic activity may be non-invasively investigated using heart rate variability (HRV), although HRV is not widely accepted to reflect sympathetic activity. Instead, cardiac sympathetic activity may be investigated using systolic time intervals (STI), such as the pre-ejection period. Although these autonomic indices are typically measured during rest, the “reactivity hypothesis” suggests that investigating responses to a stressor (e.g., exercise) may be a valuable monitoring approach in clinical and high-performance settings. However, when interpreting these indices it is important to consider how the exercise dose itself (i.e., intensity, duration, and modality) may influence the response. Therefore, the purpose of this investigation was to review the literature regarding how the exercise dosage influences these autonomic indices during exercise and acute post-exercise recovery. There are substantial methodological variations throughout the literature regarding HRV responses to exercise, in terms of exercise protocols and HRV analysis techniques. Exercise intensity is the primary factor influencing HRV, with a greater intensity eliciting a lower HRV during exercise up to moderate-high intensity, with minimal change observed as intensity is increased further. Post-exercise, a greater preceding intensity is associated with a slower HRV recovery, although the dose-response remains unclear. A longer exercise duration has been reported to elicit a lower HRV only during low-moderate intensity and when accompanied by cardiovascular drift, while a small number of studies have reported conflicting results regarding whether a longer duration delays HRV recovery. “Modality” has been defined multiple ways, with limited evidence suggesting exercise of a greater muscle mass and/or energy expenditure may delay HRV recovery. STI responses during exercise and recovery have seldom been reported, although limited data suggests that intensity is a key determining factor. Concurrent monitoring of HRV and STI may be a valuable non-invasive approach to investigate autonomic stress reactivity; however, this integrative approach has not yet been applied with regards to exercise stressors.

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Section: Hrv During Post-exercise Recoverysupporting

confidence: 93%

Section: Hrv During Exercisementioning

confidence: 99%

Section: Hrv During Exercisementioning

confidence: 99%

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Cardiac Autonomic Responses during Exercise and Post-exercise Recovery Using Heart Rate Variability and Systolic Time Intervals—A Review

2017

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“…While no correlations were found between the parasympathetic reactivation indices and mean HR, LnRMSSD 5‐10 minutes was positively correlated with the time spent in the low‐intensity zone (HR Z1) and negatively correlated with the time spent in the high‐intensity zone (HR Z3). Thus, it could be hypothesized that parasympathetic reactivation is correlated with the intensity of a previous exercise . Our results showed the presence of significant physiological stress (ie, HR and BF), especially during the last task ( mannequin ).…”

Section: Discussionmentioning

confidence: 55%

“…Thus, it could be hypothesized that parasympathetic reactivation is correlated with the intensity of a previous exercise. 13,35 Our results showed the presence of significant physiological stress (ie, HR and BF), especially during the last task (mannequin). Von Heimburg et al 5 reported that after having rescued six victims, the firefighters' blood lactate concentration reaches 13 mmol/L.…”

mentioning

confidence: 66%

Physiological responses and parasympathetic reactivation in rescue interventions: The effect of the breathing apparatus

Marcel-Millet

Ravier

Grosprêtre

et al. 2018

Scandinavian Med Sci Sports

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This study aimed to assess the effect of wearing a breathing apparatus during a simulated rescue intervention on psychophysiological responses and parasympathetic reactivation of firefighters. Thirty-four firefighters participated in this study which consisted of four experimental sessions conducted randomly: a maximal fitness test and three rescue interventions performed (a) with personal protective clothing (PPC); (b) with PPC and the full self-contained breathing apparatus (SCBA), including cylinder, full-face piece, and breathing regulator; and (c) with PPC and only the cylinder of the self-contained breathing apparatus (SCBAc). Physiological (heart rate [HR], breathing frequency [BF]) and perceptual (rating of perceived exertion [RPE]) responses were continuously collected during the three rescue interventions. Parasympathetic reactivation was assessed using HR recovery and variability indexes after experimental sessions. HR responses ranged between 63% and 95% of HR , and BF responses ranged between 22 and 55 breaths/min for the different activity tasks. Parasympathetic reactivation indexes were similar for the rescue interventions but lower than after the intermittent fitness test (P = 0.016 - P < 0.0001). Mean HR for both SCBAc (83.2 ± 4.1%HR ) and SCBA (83.1 ± 5.2%HR ) was higher in comparison with PPC (79.5 ± 5.3%HR ). RPE was higher for SCBA than for SCBAc which was higher than PPC. Mean BF for SCBA (34 breaths/min) was lower than PPC (40 breaths/min) and SCBAc (43 breaths/min). Based on HR, BF, and RPE, rescue interventions seem to be psychologically and physiologically stressful. Parasympathetic reactivation after PCC, SCBA, and SCBAc suggests that these conditions induce higher cardiac stress than the maximal fitness test. The study showed that SCBA increased psychophysiological perturbations.

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Longer exercise duration delays post-exercise recovery of cardiac parasympathetic but not sympathetic indices

et al. 2017

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Submaximal exercise intensity modulates acute post-exercise heart rate variability

Cited by 66 publications

References 39 publications

Cardiac Autonomic Responses during Exercise and Post-exercise Recovery Using Heart Rate Variability and Systolic Time Intervals—A Review

Cardiac Autonomic Responses during Exercise and Post-exercise Recovery Using Heart Rate Variability and Systolic Time Intervals—A Review

Physiological responses and parasympathetic reactivation in rescue interventions: The effect of the breathing apparatus

Longer exercise duration delays post-exercise recovery of cardiac parasympathetic but not sympathetic indices

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