High eccentric strength training reduces heart rate variability in healthy older men

Melo, Ruth Caldeira de; Quitério, Robison José; Takahashi, Anielle Cristhine de Medeiros; Silva, E; Martins, Leb; Catai, Aparecida Maria

doi:10.1136/bjsm.2007.035246

Cited by 52 publications

(52 citation statements)

References 40 publications

(45 reference statements)

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“…Ruiz et al 23 , for example, reported lower vagal reactivation 30 seconds after an aerobic exercise session, when comparing with a resistance training session and a combined session (aerobic+resistance). The sympathetic predominance during the recovery period, observed in our study, was also found in a previous study consisted of a resistance training program for 12 weeks with elderly people 24 . Nevertheless, the mechanisms that induce greater sympathetic modulation are poorly understood.…”

Section: Discussionsupporting

confidence: 71%

“…In studies using aerobic exercise, we observed that, just after the exercise completion, a rapid vagal reactivation occurs and the autonomic control becomes slower after exercises with higher metabolic demand 22 . Regarding the resistance exercise, few studies observed changes in the HRV 16,23,24 . Ruiz et al 23 , for example, reported lower vagal reactivation 30 seconds after an aerobic exercise session, when comparing with a resistance training session and a combined session (aerobic+resistance).…”

Section: Discussionmentioning

confidence: 99%

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Efeito do intervalo de recuperação fixo e autossugerido entre séries do exercício resistido sobre o comportamento cardiovascular pós-esforço

Goessler

Polito

2013

Rev. Bras. Cineantropom. Desempenho Hum.

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-This study aimed to compare differences in the number of repetitions after exercises with different rest intervals and to analyze cardiovascular parameters after resistance training. The sample comprised 10 physically active men (23±2 years). The one-repetition maximum (1RM) test was performed in the following order: bench press, guided squat bar, biceps curl and leg curl. After the 1RM test, the individual held three sessions of resistance training, on different days, with rest intervals of 1 minute, 2 minutes, and self-suggested intervals, randomized for each day. We calculated 75% of the load of the 1RM test, with three series of maximum repetitions performed to exhaustion. Cardiovascular variables were measured at rest and during 30 minutes after exercise. In the self-suggested interval, which showed an average time of rest (157±37 seconds) similar to the 2-minute interval, more repetitions were performed compared to the 1-minute interval session, with no difference in relation to the 2 minute-interval session. No difference was found in systolic blood pressure and in the high frequency (HF) component between the intervals, but post-exercise hypotension was observed in diastolic blood pressure after 10 minutes' recovery in all intervals, with a longer duration in the 2-minute interval session. After 30 minutes' recovery, an increase in the low frequency (LF) component was registered for the 2-minute interval session, and an increase in LF/HF was found at 10, 20 and 30 minutes of recovery after sessions with 1-and 2-minute intervals, demonstrating a possible predominance of sympathetic action. The self-suggested interval did not show changes in the components of heart rate variability. These findings suggest that intervals of at least 2 minutes between sets may be interesting to provide more repetitions and reduce the post-exercise sympathetic effect. Key words: Cardiovascular system; Exercise; Interval. Resumo -O objetivo do estudo foi comparar a diferença no número de repetições após exercícios realizados com diferentes intervalos de recuperação e analisar o comportamento cardiovascular pós-esforço. A amostra foi composta de 10 homens (23 ± 2 anos) fisicamente ativos. Foi realizado o teste de uma repetição máxima (1RM) nos exercícios supino horizon

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Section: Discussionsupporting

confidence: 71%

Section: Discussionmentioning

confidence: 99%

Efeito do intervalo de recuperação fixo e autossugerido entre séries do exercício resistido sobre o comportamento cardiovascular pós-esforço

Goessler

Polito

2013

Rev. Bras. Cineantropom. Desempenho Hum.

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“…2,3 When performed regularly and in a systematic way this type of training promotes, among other benefits, increases in muscle strength and mass, increased bone mineral density and basal metabolic rate, helping to maintain body weight and improving quality of life. 2,4 Furthermore, when incorporated into a comprehensive program of fitness it is also capable of promoting weight loss, increasing the sense of wellbeing, preserving functional capacity and improving cardiovascular function and cardiac autonomic modulation. 5,6 Among the benefits provided by resistance training, its influence on cardiac autonomic modulation draws our attention because the autonomic nervous system controls some of the internal functions of the body and, accordingly, deserves detailed attention in interpreting the findings.…”

Section: B Introductionmentioning

confidence: 99%

Influence of resistance training on cardiac autonomic modulation: literature review

Barbosa¹,

Silva²,

Bernardo³

et al. 2014

Medical Express

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Among the benefits provided by resistance training, its influence on cardiac autonomic modulation draws attention, given the importance of the autonomic nervous system in the control of the internal functions of the body. The objective of this narrative review was to gather information about the effects of resistance training on autonomic modulation in healthy young adults, assessed through heart rate variability. This search was performed in May 2013 in the following databases: Medical Literature Analysis and Retrieval System Online (MEDLINE/PubMed), Physiotherapy Evidence Database (PEDro), Scientific Electronic Library Online (SciELO) and Literature and Latin American and Caribbean Health Sciences (LILACS), with articles published between January 2003 and March 2013. The keywords used were: "resistance training," "lifting," "exercise therapy" crossreferenced with "autonomic nervous system" and "parasympathetic nervous system" and also the term "heart rate variability". Of the 1,940 titles found, 3 complete articles were selected to compose the review. Data were analyzed qualitatively. The analysis of these studies suggests that resistance training can change the heart rate variability indices in the population of healthy young adults and that this change is due to increased vagal activity, provided by the practice of this type of training.

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“…Growth hormone ↓ Melo et al [27] showed that high eccentric RT reduced HRV. Twenty-eight healthy older men were recruited, but only nine subjects (mean age 62 ± 2.0 years) completed the study protocol.…”

Section: Neuroendocrinological System Changesmentioning

confidence: 99%

“…Takahashi et al [34] reinvestigated whether eccentric strength training affected HRV because their previous study [27] showed that eccentric strength training had an unfavorable effect on HRV. A total of 22 healthy elderly male subjects participated in the study.…”

Section: Neuroendocrinological System Changesmentioning

confidence: 99%

Effects of Resistance Training on Autonomic Nervous Function in Older Individuals

Hamasaki¹

2016

Fitness Medicine

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Skeletal muscle mass, strength, and function decline with aging are the symptoms that characterize sarcopenia, which has become a significant problem in aging societies. Aging is also associated with arterial stiffness and autonomic nervous dysfunction, leading to increase in the risk of cardiovascular disease (CVD) and mortality. Resistance training (RT) is effective for improving muscle fitness in older individuals as well as young healthy individuals. However, the effects of RT on autonomic nervous function (ANF) in the elderly have not been fully elucidated. The author reviewed the current evidence regarding RT and ANF in older individuals. Whole-body, high-intensity or progressive RT had either no effect on ANF or perhaps an unfavorable effect on ANF. On the other hand, local isometric, moderate-intensity RT may have a beneficial effect on ANF in older individuals. The combination of RT and aerobic exercise had a favorable effect on ANF in older patients with comorbidities. However, the optimal intensity, frequency, and duration of RT for improving ANF in older individuals remain unknown. Further studies with a large number of subjects are warranted.

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High eccentric strength training reduces heart rate variability in healthy older men

Abstract: The results of the present investigation suggest that high eccentric strength training performed by healthy older men increases peak torque and reduces systolic blood pressure. However, an autonomic imbalance towards sympathetic modulation predominance was induced by an unknown mechanism.

Cited by 52 publications

References 40 publications

Efeito do intervalo de recuperação fixo e autossugerido entre séries do exercício resistido sobre o comportamento cardiovascular pós-esforço

Efeito do intervalo de recuperação fixo e autossugerido entre séries do exercício resistido sobre o comportamento cardiovascular pós-esforço

Influence of resistance training on cardiac autonomic modulation: literature review

Effects of Resistance Training on Autonomic Nervous Function in Older Individuals

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