Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis
Background: Low-load resistance exercise (LL-RE) with blood flow restriction (BFR) promotes increased metabolic response and fatigue, as well as more pronounced myoelectric activity than traditional LL-RE. Some studies have shown that the relative pressure applied during exercise may have an effect...
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Frontiers Media S.A.
2021
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oai:doaj.org-article:31da1d54a92644cabb2b72d8d3610f502021-11-22T09:13:53ZMyoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis1664-042X10.3389/fphys.2021.786752https://doaj.org/article/31da1d54a92644cabb2b72d8d3610f502021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fphys.2021.786752/fullhttps://doaj.org/toc/1664-042XBackground: Low-load resistance exercise (LL-RE) with blood flow restriction (BFR) promotes increased metabolic response and fatigue, as well as more pronounced myoelectric activity than traditional LL-RE. Some studies have shown that the relative pressure applied during exercise may have an effect on these variables, but existing evidence is contradictory.Purpose: The aim of this study was to systematically review and pool the available evidence on the differences in neuromuscular and metabolic responses at LL-RE with different pressure of BFR.Methods: The systematic review and meta-analysis was reported according to PRISMA items. Searches were performed in the following databases: CINAHL, PubMed, Scopus, SPORTDiscus and Web of Science, until June 15, 2021. Randomized or non-randomized experimental studies that analyzed LL-RE, associated with at least two relative BFR pressures [arterial occlusion pressure (AOP)%], on myoelectric activity, fatigue, or metabolic responses were included. Random-effects meta-analyses were performed for MVC torque (fatigue measure) and myoelectric activity. The quality of evidence was assessed using the PEDro scale.Results: Ten studies were included, all of moderate to high methodological quality. For MVC torque, there were no differences in the comparisons between exercise with 40–50% vs. 80–90% AOP. When analyzing the meta-analysis data, the results indicated differences in comparisons in exercise with 15–20% 1 repetition maximum (1RM), with higher restriction pressure evoking greater MVC torque decline (4 interventions, 73 participants; MD = −5.05 Nm [95%CI = −8.09; −2.01], p = 0.001, I2 = 0%). For myoelectric activity, meta-analyses indicated a difference between exercise with 40% vs. 60% AOP (3 interventions, 38 participants; SMD = 0.47 [95%CI = 0.02; 0.93], p = 0.04, I2 = 0%), with higher pressure of restriction causing greater myoelectric activity. This result was not identified in the comparisons between 40% vs. 80% AOP. In analysis of studies that adopted pre-defined repetition schemes, differences were found (4 interventions, 52 participants; SMD = 0.58 [95%CI = 0.11; 1.05], p = 0.02, I2 = 27%).Conclusion: The BFR pressure applied during the LL-RE may affect the magnitude of muscle fatigue and excitability when loads between 15 and 20% of 1RM and predefined repetition protocols (not failure) are prescribed, respectively.Systematic Review Registration: [http://www.crd.york.ac.uk/prospero], identifier [CRD42021229345].Victor Sabino de QueirosIngrid Martins de FrançaRobert TrybulskiRobert TrybulskiJoão Guilherme VieiraIsis Kelly dos SantosGabriel Rodrigues NetoGabriel Rodrigues NetoMichal WilkDihogo Gama de MatosWouber Hérickson de Brito VieiraJefferson da Silva NovaesPiotr MakarBreno Guilherme de Araújo Tinoco CabralBreno Guilherme de Araújo Tinoco CabralPaulo Moreira Silva DantasPaulo Moreira Silva DantasFrontiers Media S.A.articleKAATSUvascular occlusionstrength trainingmetabolic stresselectromyographymuscle excitabilityPhysiologyQP1-981ENFrontiers in Physiology, Vol 12 (2021) |
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KAATSU vascular occlusion strength training metabolic stress electromyography muscle excitability Physiology QP1-981 |
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KAATSU vascular occlusion strength training metabolic stress electromyography muscle excitability Physiology QP1-981 Victor Sabino de Queiros Ingrid Martins de França Robert Trybulski Robert Trybulski João Guilherme Vieira Isis Kelly dos Santos Gabriel Rodrigues Neto Gabriel Rodrigues Neto Michal Wilk Dihogo Gama de Matos Wouber Hérickson de Brito Vieira Jefferson da Silva Novaes Piotr Makar Breno Guilherme de Araújo Tinoco Cabral Breno Guilherme de Araújo Tinoco Cabral Paulo Moreira Silva Dantas Paulo Moreira Silva Dantas Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| description |
Background: Low-load resistance exercise (LL-RE) with blood flow restriction (BFR) promotes increased metabolic response and fatigue, as well as more pronounced myoelectric activity than traditional LL-RE. Some studies have shown that the relative pressure applied during exercise may have an effect on these variables, but existing evidence is contradictory.Purpose: The aim of this study was to systematically review and pool the available evidence on the differences in neuromuscular and metabolic responses at LL-RE with different pressure of BFR.Methods: The systematic review and meta-analysis was reported according to PRISMA items. Searches were performed in the following databases: CINAHL, PubMed, Scopus, SPORTDiscus and Web of Science, until June 15, 2021. Randomized or non-randomized experimental studies that analyzed LL-RE, associated with at least two relative BFR pressures [arterial occlusion pressure (AOP)%], on myoelectric activity, fatigue, or metabolic responses were included. Random-effects meta-analyses were performed for MVC torque (fatigue measure) and myoelectric activity. The quality of evidence was assessed using the PEDro scale.Results: Ten studies were included, all of moderate to high methodological quality. For MVC torque, there were no differences in the comparisons between exercise with 40–50% vs. 80–90% AOP. When analyzing the meta-analysis data, the results indicated differences in comparisons in exercise with 15–20% 1 repetition maximum (1RM), with higher restriction pressure evoking greater MVC torque decline (4 interventions, 73 participants; MD = −5.05 Nm [95%CI = −8.09; −2.01], p = 0.001, I2 = 0%). For myoelectric activity, meta-analyses indicated a difference between exercise with 40% vs. 60% AOP (3 interventions, 38 participants; SMD = 0.47 [95%CI = 0.02; 0.93], p = 0.04, I2 = 0%), with higher pressure of restriction causing greater myoelectric activity. This result was not identified in the comparisons between 40% vs. 80% AOP. In analysis of studies that adopted pre-defined repetition schemes, differences were found (4 interventions, 52 participants; SMD = 0.58 [95%CI = 0.11; 1.05], p = 0.02, I2 = 27%).Conclusion: The BFR pressure applied during the LL-RE may affect the magnitude of muscle fatigue and excitability when loads between 15 and 20% of 1RM and predefined repetition protocols (not failure) are prescribed, respectively.Systematic Review Registration: [http://www.crd.york.ac.uk/prospero], identifier [CRD42021229345]. |
| format |
article |
| author |
Victor Sabino de Queiros Ingrid Martins de França Robert Trybulski Robert Trybulski João Guilherme Vieira Isis Kelly dos Santos Gabriel Rodrigues Neto Gabriel Rodrigues Neto Michal Wilk Dihogo Gama de Matos Wouber Hérickson de Brito Vieira Jefferson da Silva Novaes Piotr Makar Breno Guilherme de Araújo Tinoco Cabral Breno Guilherme de Araújo Tinoco Cabral Paulo Moreira Silva Dantas Paulo Moreira Silva Dantas |
| author_facet |
Victor Sabino de Queiros Ingrid Martins de França Robert Trybulski Robert Trybulski João Guilherme Vieira Isis Kelly dos Santos Gabriel Rodrigues Neto Gabriel Rodrigues Neto Michal Wilk Dihogo Gama de Matos Wouber Hérickson de Brito Vieira Jefferson da Silva Novaes Piotr Makar Breno Guilherme de Araújo Tinoco Cabral Breno Guilherme de Araújo Tinoco Cabral Paulo Moreira Silva Dantas Paulo Moreira Silva Dantas |
| author_sort |
Victor Sabino de Queiros |
| title |
Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| title_short |
Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| title_full |
Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| title_fullStr |
Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| title_full_unstemmed |
Myoelectric Activity and Fatigue in Low-Load Resistance Exercise With Different Pressure of Blood Flow Restriction: A Systematic Review and Meta-Analysis |
| title_sort |
myoelectric activity and fatigue in low-load resistance exercise with different pressure of blood flow restriction: a systematic review and meta-analysis |
| publisher |
Frontiers Media S.A. |
| publishDate |
2021 |
| url |
https://doaj.org/article/31da1d54a92644cabb2b72d8d3610f50 |
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