Effects of Exercise Training in Hypoxia Versus Normoxia on Vascular Health

Montero, David; Lundby, Carsten

doi:10.1007/s40279-016-0570-5

Cited by 34 publications

(33 citation statements)

References 68 publications

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“…Systemic oxygen deficiency may facilitate endurance-type exercise-induced adaptation (Montero & Lundby, 2016). In our current study, although WBV + BFR elicited a significantly greater HR response versus the non-BFR WBV condition, neither WBV nor WBV + BFR sessions caused significant changes in SpO 2 .…”

Section: Discussioncontrasting

confidence: 60%

Effect of acute whole-body vibration exercise with blood flow restriction on vascular endothelial growth factor response

Chen

Cai

2018

Kinesiology (Zagreb, Online)

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This study aimed to investigate the effects of the whole-body vibration (WBV) exercise with and without blood flow restriction (BFR) on heart rate (HR), oxygen saturation (SpO2), and circulating vascular endothelial growth factor (VEGF) response. Ten physically inactive male adults participated in this study and completed WBV (frequency: 26 Hz; amplitude: 4 mm; 10 sets for 1 min, with 1-2 min of rest between sets) and WBV + BFR sessions in a repeated measures crossover design, with a 1-week interval separating the sessions. In the WBV + BFR session, participants wore a BFR device inflated to 140 mmHg on the proximal portion of the thigh muscle. Results indicated that WBV + BFR caused a greater HR response than WBV alone (p<.05). Neither WBV + BFR nor WBV sessions caused a significant change in SpO2 (p>.05). Only the WBV + BFR session caused a significant increase in the VEGF response (p<.05), and WBV + BFR elicited a significantly higher VEGF response than did WBV after exercise (p<.05). In conclusion, an acute bout of WBV + BFR exercise magnifies the HR response relative to WBV exercise and induces an increase in circulating VEGF values. These alterations seem unrelated to systematic SpO2.

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Section: Discussioncontrasting

confidence: 60%

Effect of acute whole-body vibration exercise with blood flow restriction on vascular endothelial growth factor response

Chen

Cai

2018

Kinesiology (Zagreb, Online)

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“…While RSA training is well accepted to improve this quality, 5 utilizing RSA in hypoxic conditions (the so-called "repeated-sprint training in hypoxia", RSH) has shown superior results when comparing to similar training in normoxia (RSN) 6 in several sports [7][8][9][10] . It should be noted that while the majority of studies have shown positive RSA results when comparing RSH to RSN, 6 there is still some debate on the overall effectiveness of RSH as well as debate on the mechanisms for the performance increase 11,12 . It has been speculated that the main underlying mechanism relies on the peripheral compensatory vasodilation in response to the hypoxia-induced hypoxemia, inducing a better resistance to fatigue in fast-twitch fibres, hence increasing the ability to repeat short bouts of exercise at maximal intensity 13 out that RSH has also a positive impact on anaerobic and glycolytic pathway as shown previously 14 .…”

Section: Introductionmentioning

confidence: 99%

Repeated-Sprint Training in Hypoxia in International Rugby Union Players

Beard¹,

Ashby²,

Chambers³

et al. 2019

International Journal of Sports Physiology and Performance

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Purpose: To investigate the effects of repeated-sprint training in hypoxia vs in normoxia on world-level male rugby union players’ repeated-sprint ability (RSA) during an international competition period. Methods: A total of 19 players belonging to an international rugby union senior male national team performed 4 sessions of cycling repeated sprints (consisting of 3 × eight 10-s sprints with 20 s passive recovery) either in normobaric hypoxia (RSH, 3000 m; n = 10) or in normoxia (RSN, 300 m; n = 9) over a 2-wk period. Before and after the training intervention, RSA was evaluated using a cycling repeated-sprint test (6 × 10-s maximal sprint and 20-s passive recovery) performed in normoxia. Results: Significant interaction effects (all P < .05, ) between condition and time were found for RSA-related parameters. Compared with Pre, maximal power significantly improved at Post in RSH (12.84 [0.83] vs 13.63 [1.03] W·kg−1, P < .01, ) but not in RSN (13.17 [0.89] vs 13.00 [1.01] W·kg−1, P = .45, ). Mean power was also significantly enhanced from Pre to Post in RSH (11.15 [0.58] vs 11.86 [0.63] W·kg−1, P < .001, ), whereas it remained unchanged in RSN (11.54 [0.61] vs 11.75 [0.65] W·kg−1, P = .23, ). Conclusion: As few as 4 dedicated specific RSH sessions were beneficial to enhance repeated power production in world-level rugby union players. Although the improvement from RSA to game behavior remains unclear, this finding appears to be of practical relevance as only a short preparation window is available prior to international rugby union games.

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“…Regular exercise training has an important impact on autonomic nervous system (ANS) function [1], improving cardiac parasympathetic regulation, reducing sympathetic tone, increasing baroreflex sensitivity and heart rate variability (HRV), further providing protective effects against cardiovascular and metabolic diseases [1,2] and reducing all-cause mortality [3,4]. Hypoxic exercise (i. e. exercise under reduced oxygen availability) has been shown to represent a valid alternative to normoxic exercise to provide an adequate training stimulus, promoting beneficial physiological training adaptations as well as positive healthrelated outcomes [5][6][7]. Nowadays, hypoxic exercise is implemented within training programs of different populations [5,[7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Cardiac Autonomic and Physiological Responses to Moderate- intensity Exercise in Hypoxia

et al. 2019

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Exercise physiological responses can be markedly affected by acute hypoxia. We investigated cardiac autonomic and physiological responses to different hypoxic training protocols. Thirteen men performed three exercise sessions (5×5-min; 1-min passive recovery): normoxic exercise at 80% of the power output (PO) at the first ventilatory threshold (N), hypoxic exercise (FiO2=14.2%) with the same PO as N (HPO) and hypoxic exercise at the same heart rate (HR) as N (HHR). PO was lower in HHR (21.1±9.3%) compared to N and HPO. Mean HR was higher in HPO (154±11 bpm, p<0.01) than N and HHR (139±10 vs. 138±9 bpm; p=0.80). SpO2 was reduced (p<0.01) to a similar extent (p>0.05) in HPO and HHR compared to N. HR recovery (HRR) and HR variability indices were similar in N and HHR (p>0.05) but reduced in HPO (p<0.05), mirroring a delayed parasympathetic reactivation. Blood lactate and ventilation were similar in N and HHR (p>0.05) and increased in HPO (p<0.001). During recovery oxygen consumption and ventilation were similar in N and HHR (p>0.05) and increased in HPO (p<0.01). Moderate HR-matched hypoxic exercise triggers similar cardiac autonomic and physiological responses to normoxic exercise with a reduced mechanical load. On the contrary, the same absolute intensity exercise in hypoxia is associated with increased exercise-induced metabolic stress and delayed cardiac autonomic recovery.

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Effects of Exercise Training in Hypoxia Versus Normoxia on Vascular Health

Abstract: Based on current published studies, hypoxic ExT potentiates vascular adaptations related to skeletal muscle capillarization and dilator function. These findings may contribute to establishing effective exercise programs designed to enhance vascular health.

Cited by 34 publications

References 68 publications

Effect of acute whole-body vibration exercise with blood flow restriction on vascular endothelial growth factor response

Effect of acute whole-body vibration exercise with blood flow restriction on vascular endothelial growth factor response

Repeated-Sprint Training in Hypoxia in International Rugby Union Players

Cardiac Autonomic and Physiological Responses to Moderate- intensity Exercise in Hypoxia

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