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Chronic hemodynamic adaptations induced by resistance training with and without blood flow restriction in adults:A systematic review and meta-analysis

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Sports Medicine and Health Science 2023年第4期5卷 259-268页

作者： Allison Russo Giorjines Boppre Cristine Schmidt Lucimere Bohn Lusofona University Faculty of PsychologyEducation and SportPortoPortugal University of Porto Faculty of Sports(FADEUP)PortoPortugal Human Motricity Research Center University AdventistChillanChile Research Center in Physical Activity Healthand Leisure(CIAFEL)Laboratory for Integrative and Translational Research in Population Health(ITR)Portugal Surgery and Physiology Department University of PortoFaculty of Medicine(FMUP)PortoPortugal

The purposes of this systematic review and meta-analysis of peer-reviewed literature were to examine the chronic effects of resistance training with blood flow restriction(RT-BFR)on hemodynamics,and to compare these adaptations to those induced by traditional resistance training(TRT)programs in adults(PROSPERO:Registry:CRD42022339510).A literature search was conducted across PubMed,Sports Discus,Scielo,and Web of Science databases.Two independent reviewers extracted study characteristics and blood pressure measures.Risk of bias(The Cochrane risk of bias tool for randomized controlled trials[RoB-2]),and the certainty of the evidence(Grading of Recommendations,Assessment,Development,and Evaluation[GRADE])were used.A total of eight studies met the inclusion criteria for systolic(SBP),diastolic(DBP),and mean arterial pressure(MAP).Regarding the comparison of RT-BFR vs.non-exercise,no significant differences favoring the exercise group were observed(p>0.05).However,when compared to TRT,RT-BFR elicited additional improvements on DBP(-3.35;95%CI-6.00 to-0.71;I^(2)=14%;z=-2.48,p=0.01),and on MAP(-3.96;95%CI-7.94 to 0.02;I^(2)=43%;z=-1.95,p=0.05).Results indicate that RT-BFR may elicit a decrease in DBP in comparison with TRT,but the lack of data addressing this topic makes any conclusion speculative.Future research on this topic is warranted.

关键词： Strength training blood flow restriction blood pressure Chronic effect

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Comparison of blood flow restriction training and conventional resistance training for the improvement of sarcopenia in the older adults:A systematic review and meta-analysis

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Sports Medicine and Health Science 2023年第4期5卷 269-276页

作者： Jianda Kong Zhilin Li Lei Zhu Lin Li Si Chen Qufu Normal University China

Age-related sarcopenia places a tremendous burden on healthcare providers and patients'families.blood flow restriction(BFR)training may be a promising treatment to bring sarcopenia down,and it offers numerous advantages over traditional resistance training.The purpose of this review was to compare the effects of BFR training and conventional resistance training on clinically delayed sarcopenia in the elderly.Databases such as PubMed,Web of Science,Embase,and Science Direct were searched to identify eligible studies;blinded data extraction was performed to assess study quality,and conflicts were submitted to third parties.Someone made the decision.One author used Review Manager(RevMan)5.4 and compared it with data obtained by another author for this purpose.A total of 14 studies met the inclusion criteria for this review.The funnel plots of the studies did not show any substantial publication bias.Low-load blood flow restriction(LL-BFR)had no significant effect on muscle mass compared with high-load resistance training(HL-RT)(p=0.74,SMD=0.07,95%CI:0.33 to 0.46)and LL-BFR had a significant effect on muscle strength compared with HL-RT(p=0.03,Z=2.16,SMD=-0.34,95%CI:0.65 to-0.03).LL-BFR showed a slight effect on mass compared to LL-RT(p=0.26,SMD=0.25,95%CI:0.19 to 0.69).Sensitivity analysis produced a nonsignificant change,suggesting that the results of this study are reasonable.In conclusion,the data suggest the possibility that BFR training improves age-related sarcopenia.

关键词： blood flow restriction LL-BFR Resistance training Sarcopenia Older adults Systematic review Meta-analysis

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blood flow restriction in human skeletal muscle during rest periods after high-load resistance training down-regulates miR-206 and induces Pax7

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Journal of Sport and Health Science 2021年第4期10卷 470-477页

作者： Ferenc Torma Zoltan Gombos Marcell Fridvalszki Gergely Langmar Zsofia Tarcza Bela Merkely Hisashi Naito Noriko Ichinoseki-Sekine Masaki Takeda Zsolt Murlasits Peter Osvath Zsolt Radak Research Center for Molecular Exercise Science University of Physical EducationBudapest 1123Hungary Department of Kinesiology University of Physical EducationBudapest 1123Hungary Heart and Vascular Center Semmelweis UniversityBudapest 1122Hungary Faculty of Health and Sports Science Juntendo UniversityChiba 270-1695Japan Faculty of Health and Sports Science Doshisha UniversityKyotanabe 610-0394Japan Laboratory of Animal Research Center Qatar UniversityDoha 2713Qatar Department of Health Sciences and Sport Medicine University of Physical EducationBudapest 1123Hungary

Backgroud:blood flow re striction(BFR) with low-intensity re sistance training has been shown to result in hypertrophy of skeletal muscle.In this study,we tested the hypothesis that BFR during the rest periods between acute,high-intensity resistance exercise sessions(70% of 1 repetition maximum,7 sets with 10 repetitions) enhances the effects of the resistance training.Methods:A total of 7 healthy young men performed squats,and between sets BFR was carried out on one leg while the other leg served as a control.Because BFR was applied during rest periods,even severe occlusion pressure(approximately 230 mmHg),which almost completely blocked blood flow,was well-tolerated by the participants.Five muscle-specific microRNAs were measured from the biopsy samples,which were taken 2 h after the acute training.Results:Doppler data showed that the pattern of blood flow recovery changed significantly between the first and last BFR.microRNA-206 levels significantly decreased in the BFR leg compared to the control.The mRNA levels of RAC-β serine/threonine-protein kinase v22,nuclear re spiratory factor 1,vascular endothelial growth factor,lupus Ku autoantigen protein p70 genes(p <0.05),and paired box 7(p <0.01) increased in the BFR leg.The protein levels of paired box 7,nuclear respiratory factor 1,and peroxisome proliferator-activated receptor y coactivator 1α did not differ between the BFR leg and the control leg.Conclusion:BFR,during the rest periods of high-load resistance training,could lead to mRNA elevation of those proteins that regulate angiogenesis,mitochondrial biogenesis,and muscle hypertrophy and repair.However,BFR also can cause DNA damage,judging from the increase in mRNA levels of lupus Ku autoantigen protein p70.

关键词： blood flow restriction High-intensity resistance training microRNA Satellite cells

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blood flow restriction during the resting periods of high-intensity resistance training does not alter performance but decreases MIR-1 and MIR-133A levels in human skeletal muscle

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Sports Medicine and Health Science 2021年第1期3卷 40-45页

作者： Ferenc Torma Peter Bakonyi Zsolt Regdon Zoltan Gombos Matyas Jokai Gergely Babszki Marcell Fridvalszki Laszl Virg Hisashi Naito SyedRehan Iftikhar Bukhari Zsolt Radak Research Center of Molecular Exercise Science University of Physical EducationBudapestHungary Department of Medical Chemistry Faculty of MedicineUniversity of DebrecenHungary Department of Exercise Physiology Graduate School of Health and Sports Science&MedicineJuntendo UniversityJapan Doctoral School of Clinical Medicine Semmelweis UniversityBudapestHungary Faculty of Sport Sciences Waseda UniversityJapan

blood flow restriction(BFR)during exercise bouts has been used to induce hypertrophy of skeletal muscle,even with low loads.However,the effects of BFR during the rest periods between sets are not known.We have tested the hypothesis that BFR during rest periods between sets of high-intensity resistance training would enhance performance.Twenty-two young adult male university students were recruited for the current study,with n=11 assigned to BFR and n=11 to a control group.The results revealed that four weeks training at 70%of 1 RM,five sets and 10 repetitions,three times a week with and without BFR,resulted in similar progress in maximal strength and in the number of maximal repetitions.The miR-1 and miR-133a decreased significantly in the vastus lateralis muscle of BFR group compared to the group without BFR,while no significant differences in the levels of miR133b,miR206,miR486,and miR499 were found between groups.In conclusion,it seems that BFR restrictions during rest periods of high-intensity resistance training,do not provide benefit for enhanced performance after a four-week training program.However,BFR-induced downregulation of miR-1 and miR-133a might cause different adaptive responses of skeletal muscle to high intensity resistance training.

关键词： blood flow restriction Occlusion Skeletal muscle High intensity resistance training microRNA

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Time to consider the potential role of alternative resistance training methods in cancer management?

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Journal of Sport and Health Science 2023年第6期12卷 715-725页

作者： Francesco Bettariga Chris Bishop Dennis R.Taaffe Daniel A.Galvão Luca Maestroni Robert U.Newton Exercise Medicine Research Institute Edith Cowan UniversityJoondalupWA 6027Australia School of Medical and Health Sciences Edith Cowan UniversityJoondalupWA 6027Australia London Sport Institute School of Science and TechnologyMiddlesex UniversityLondonNW44BTUK School of Human Movement and Nutrition Sciences University of QueenslandSt.LuciaQLD 4067Australia

Exercise has emerged as fundamental therapeutic medicine in the management of cancer.Exercise improves health-related outcomes,including quality of life,neuromuscular strength,physical function,and body composition,and it is associated with a lower risk of disease recurrence and increased survival.Moreover,exercise during or post cancer treatments is safe,can ameliorate treatment-related side effects,and may enhance the effectiveness of chemotherapy and radiation therapy.To date,traditional resistance training(RT)is the most used RT modality in exercise oncology.However,alternative training modes,such as eccentric,cluster set,and blood flow restriction are gaining increased attention.These training modalities have been extensively investigated in both athletic and clinical populations(e.g.,age-related frailty,cardiovascular disease,type 2 diabetes),showing considerable benefits in terms of neuromuscular strength,hypertrophy,body composition,and physical function.However,these training modes have only been partially or not at all investigated in cancer populations.Thus,this study outlines the benefits of these alternative RT methods in patients with cancer.Where evidence in cancer populations is sparse,we provide a robust rationale for the possible implementation of certain RT methods that have shown positive results in other clinical populations.Finally,we provide clinical insights for research that may guide future RT investigations in patients with cancer and suggest clear practical applications for targeted cancer populations and related benefits.

关键词： blood flow restriction Cluster set Eccentric training Resistance trainingTagedAPTARAEnd

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