Effect of Endurance Exercise on Autonomic Control of Heart Rate

@article{Carter2003EffectOE,
  title={Effect of Endurance Exercise on Autonomic Control of Heart Rate},
  author={James B Carter and Eric W. Banister and Andrew P. Blaber},
  journal={Sports Medicine},
  year={2003},
  volume={33},
  pages={33-46}
}
Long-term endurance training significantly influences how the autonomic nervous system controls heart function. Endurance training increases parasympathetic activity and decreases sympathetic activity in the human heart at rest. These two training-induced autonomic effects, coupled with a possible reduction in intrinsic heart rate, decrease resting heart rate. Long-term endurance training also decreases submaximal exercise heart rate by reducing sympathetic activity to the heart. Physiological… 
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No Effect of Training State on Ambulatory Measures of Cardiac Autonomic Control
TLDR
It is concluded that the bradycardia in healthy regular exercisers is the result of a lower intrinsic heart rate rather than a shift in cardiac autonomic balance from sympathetic to vagal control.
Effect of endurance exercise training on heart rate onset and heart rate recovery responses to submaximal exercise in animals susceptible to ventricular fibrillation.
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Endurance exercise training restored a more normal HR regulation in dogs susceptible to VF and increased indexes of cardiac vagal activity such that HR at exercise onset was reduced and HR recovery 30 s after the termination of exercise increased.
The Cardiovascular Adrenergic System and Physical Exercise
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This response results in a better autonomic control of cardiovascular system by improving the cardiac and vascular adrenergic responses to exercise stimulus in heart failure.
Changes in Heart Rate and Its Regulation by the Autonomic Nervous System Do Not Differ Between Forced and Voluntary Exercise in Mice
TLDR
Both forced and voluntary exercise induce comparable ventricular physiological remodeling as well as HR reductions and HR-independent enhancements of HRV which were both primarily dependent on increased PNA.
Heart Rate Variability Assessment of the Effect of Physical Training on Autonomic Cardiac Control
TLDR
It was hypothesized that results of exercise‐induced changes on ANS are dependent on body position and that it is possible to distinguish between exercise induced changes in vagal and sympathetic influence by taking measurements in different body positions.
Heart rate variability and recovery following maximal exercise in endurance athletes and physically-active individuals.
TLDR
Data suggests greater HRR in EA may arise in part due to a lower resting HR, while non-significant elevations in HF and LF in EA produces a LF/HF similar to PA, absolute spectral component modulation differed.
Heart rate recovery after maximal and submaximal exercise
TLDR
Examination of the association between HRR after maximal and different intensities of submaximal exercises examined whether HRR was associated with body composition, body mass index, skinfold thickness, maximal oxygen consumption, and running performance.
Heart rate variability responses to a combined exercise training program: correlation with adiposity and cardiorespiratory fitness changes in obese young men
TLDR
It is suggested that obese sedentary young men achieved significant improvements in vagal activity, adiposity indices and aerobic fitness after the exercise training, and the alteration in resting HRV is a possible predictor for adaptations to exercise training in obese seditary young men.
Exercise training bradycardia is largely explained by reduced intrinsic heart rate.
Dose-response relationship of endurance training for autonomic circulatory control in healthy seniors.
TLDR
RRI variability in seniors improves with increasing "dose" of exercise over 1 yr of training, and more moderate doses of training for 3-6 mo may optimally improve baroreflex sensitivity, associated with a modest hypotensive effect; however, higher doses ofTraining do not lead to greater enhancement of these changes.
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