EFFECT OF A PHYSICAL ACTIVITY INTERVENTION ON HEART RATE VARIABILITY IN BLACK GIRLS

Background. Heart rate variability (HRV) reflects neural balance between sympathetic and parasympathetic autonomic nervous systems (ANS). Reduced HRV occurs in several chronic diseases and physical inactivity. External addition of pulses to the circulation restores HRV. A new method to add pulses to the circulation can be accomplished with a passive simulated jogging device (JD). We hypothesized that application of JD might increase HRV in seated and supine postures in a heterogeneous group of volunteer subjects. Methods. Twenty ambulatory persons (age range 31-88) were recruited. The physical activity intervention (JD) moved the feet in a repetitive and alternating manner; upward movement of the pedal is followed by a downward movement of the forefoot tapping against a semirigid bumper to simulate tapping of feet against the ground during jogging. Each subject underwent four, 30 min sessions in seated and supine postures with the active JD and same with Sham. HRV was assessed at baseline (BL), and Recovery (REC) from analysis of an electrocardiogram. Time domain variables were computed, namely, standard deviation of all normal RR intervals (SDNN) and square root of the mean of the sum of the squares of differences between adjacent RR intervals (RMSSD). Frequency domain measures were determined using a standard Fast Fourier spectral analysis, as well as parameters of Poincaré plots. Results. Thirty minutes of JD significantly increased time domain measures and Poincaré parameters of HRV in both seated and supine postures. Frequency domain parameters showed no change. The effects of JD on HRV measures were not affected by age, gender, or posture. Conclusion. The passive simulated jogging device increased HRV in both seated and supine postures. This intervention that provided effortless physical activity is a novel method to harness the beneficial effects of increasing HRV.

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The effect of level of injury and physical activity on heart rate variability following spinal cord injury

Journal of Spinal Cord Medicine ◽

10.1080/10790268.2017.1383709 ◽

2017 ◽

Vol 42 (2) ◽

pp. 212-219 ◽

Cited By ~ 2

Author(s):

Athanasios Kyriakides ◽

Dimitrios Poulikakos ◽

Angeliki Galata ◽

Dimitrios Konstantinou ◽

Elias Panagiotopoulos ◽

...

Keyword(s):

Physical Activity ◽

Spinal Cord ◽

Heart Rate ◽

Spinal Cord Injury ◽

Heart Rate Variability ◽

Cord Injury

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Exercise intensity to maximal aerobic speed, physical activity level and heart rate variability in postmenopausal women

Cuadernos de Psicología del Deporte ◽

10.6018/cpd.379111 ◽

2020 ◽

Vol 20 (2) ◽

pp. 63-70

Author(s):

Felipe de Ornelas ◽

Danilo Rodrigues Batista ◽

Vlademir Meneghel ◽

Wellington Gonçalves Dias ◽

Guilherme Borsetti Businari ◽

...

Keyword(s):

Physical Activity ◽

Heart Rate ◽

Heart Rate Variability ◽

Physical Exercise ◽

Postmenopausal Women ◽

Aerobic Capacity ◽

Exercise Intensity ◽

Physical Activity Level ◽

Activity Level ◽

Maximal Aerobic Speed

Physical inactivity is main cause of disease worldwide. Identify the physical exercise preference, resulting in increases adherence and future intention to perform physical activity. The preference of the intensity of exercise questionnaire (PRETIE-Q) is the main tool used to assess preference in physical exercise. Variables as age, body mass index (BMI), usual physical activity level (PAL), maximal oxygen uptake (VO2máx), can influence in PRETIE-Q answers. The purpose of this study was investigate if there is relation between preference for exercise intensity with maximal aerobic speed (MAS), PAL and heart rate variability (HRV) in postmenopausal women phase. Participated of study 30 subjects who answer PRETIE-Q together with analyses of MAS, PAL and HRV. Preference was large correlated with MAS (r = 0.63), PAL (r = 0.57) and HRVRMSSD (r = 0.52). Together, MAS (40.4%), PAL (10.7%) and HRVRMSSD (6.4%) explained 57.5% of the preference score. This results study allow to health professional, that prescribe physical exercise, understand that subjects with high aerobic capacity, cardiovagal modulation and usual PAL will have preference for high intensity exercise. In consequence, can increase the adherence to systematic practice of physical exercise. Conclude that preference of exercise intensity for women in postmenopausal phase is related with aerobic capacity, high HRV and physical activity level.

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Heart Rate Variability in Adolescents – Normative Data Stratified by Sex and Physical Activity

JOURNAL FOR CLINICAL AND DIAGNOSTIC RESEARCH ◽

10.7860/jcdr/2015/15373.6662 ◽

2015 ◽

Cited By ~ 10

Author(s):

Vivek Kumar Sharma

Keyword(s):

Physical Activity ◽

Heart Rate ◽

Heart Rate Variability ◽

Normative Data

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Influence of Insulin Resistance on the Association Between Physical Activity and Heart Rate Variability: The Toon Health Study

Journal of Physical Activity and Health ◽

10.1123/jpah.2020-0110 ◽

2020 ◽

Vol 17 (11) ◽

pp. 1075-1082

Author(s):

Isao Saito ◽

Koutatsu Maruyama ◽

Tadahiro Kato ◽

Yasunori Takata ◽

Kiyohide Tomooka ◽

...

Keyword(s):

Physical Activity ◽

Insulin Resistance ◽

Heart Rate ◽

Heart Rate Variability ◽

Frequency Standard ◽

Population Based ◽

Health Study ◽

Model Assessment ◽

Partial Regression Coefficient ◽

Validated Questionnaire

Background: Autonomic activity is possibly influenced by physical activity (PA). However, it remains unclear whether this association is modified by insulin resistance. Methods: This population-based study between 2009 and 2012 included 2016 men and women aged 30–79 years. The PA was assessed using a validated questionnaire based on sleep, occupation, transportation, household characteristics, and leisure-time PA. Heart rate (HR) and heart rate variability (HRV) in the sitting position were determined from 5-minute recordings of pulse waves detected by a fingertip sensor. The HRV was calculated as frequency (standard deviation of normal-to-normal [NN] intervals [SDNN]), root mean square of successive differences (RMSSD), and percentage differences between normal NN intervals >50 milliseconds [pNN50]) and time domains. Insulin resistance was evaluated using the homeostasis model assessment index (HOMA-IR). Results: HR, RMSSD, and pNN50 were related to the total and moderate/vigorous PA tertiles in models that included HOMA-IR. The partial regression coefficient of total PA per 1-SD increase was .05 (P = .019) for log-transformed RMSSD and 1.86 (P = .001) for pNN50. No interactive associations were observed between PA and HOMA-IR. Conclusions: Low total PA was associated with increased HR and low levels of RMSSD and pNN50, reflecting parasympathetic modulation that was not modified by insulin resistance.

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How Is the Self-Perceived Work Ability Affected by the Duration of Unemployment, Heart Rate Variability and the Amount of Physical Activity in Older Long-Term Unemployed Persons?

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph17062039 ◽

2020 ◽

Vol 17 (6) ◽

pp. 2039

Author(s):

Anke Bumann ◽

Daniel Niederer ◽

Constanze Santarossa ◽

Winfried Banzer ◽

Lutz Vogt

Keyword(s):

Physical Activity ◽

Heart Rate ◽

Heart Rate Variability ◽

Work Ability ◽

Vigorous Physical Activity ◽

Total Power ◽

Work Ability Index ◽

Cross Sectional ◽

Perceived Work Ability ◽

Duration Of Unemployment

Background: This study investigated whether work ability is associated with the duration of unemployment, heart rate variability (HRV), and the level of physical activity. Methods: Thirty-four unemployed persons (mean 55.7 ± standard deviation 33.3 years, 22 female, 12 male, unemployed: range 1–22.5 years) participated in the cross-sectional study. The Work Ability Index (WAI) and International Physical Activity Questionnaire (IPAQ) were applied. Short-term (five minutes) resting HRV (Low Frequency (LF), High Frequency (HF), Total Power (TP)) was collected. Results: Work ability was positively associated with the HRV: LF (r = 0.383; p = 0.025), HF (r = 0.412; p = 0.015) and TP (r = 0.361; p = 0.036). The WAI showed a positive linear correlation with the amount of total physical activity (r = 0.461; p = 0.006) as well as with the amount of moderate to vigorous physical activity (r = 0.413; p = 0.015). No association between the WAI and the duration of unemployment occurred. Conclusions: the relation between self-perceived work ability, health-associated parameters, the HRV and the level of physical activity points out the relevance of health-care exercise and the need of stress-reducing interventions to improve perceived work ability. Our results point out the need for the further and more holistic development of healthcare for the unemployed.

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