The Systemic Effects of Blood Flow Restriction Training: A Systematic Review

# Background Blood flow restriction (BFR) training has been reported to have significant benefits on local skeletal muscle including increasing local muscle mass, strength, and endurance while exercising with lower resistance. As a result, patients unable to perform traditional resistance training m...

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Autores principales:	Bradley C Miller, Alexander W Tirko, Justin M Shipe, Olivia R Sumeriski, Kelley Moran
Formato:	article
Lenguaje:	EN
Publicado:	North American Sports Medicine Institute 2021
Materias:	Sports medicine RC1200-1245
Acceso en línea:	https://doaj.org/article/d8a6503309bf4e969c3b0d64e774c5a7
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spelling	oai:doaj.org-article:d8a6503309bf4e969c3b0d64e774c5a72021-12-02T14:47:20ZThe Systemic Effects of Blood Flow Restriction Training: A Systematic Review2159-2896https://doaj.org/article/d8a6503309bf4e969c3b0d64e774c5a72021-08-01T00:00:00Zhttps://ijspt.scholasticahq.com/article/25791-the-systemic-effects-of-blood-flow-restriction-training-a-systematic-review.pdfhttps://doaj.org/toc/2159-2896# Background Blood flow restriction (BFR) training has been reported to have significant benefits on local skeletal muscle including increasing local muscle mass, strength, and endurance while exercising with lower resistance. As a result, patients unable to perform traditional resistance training may benefit from this technique. However, it is unclear what effects BFR may have on other body systems, such as the cardiovascular and pulmonary systems. It is important to explore the systemic effects of BFR training to ensure it is safe for use in physical therapy. # Purpose The purpose of this study was to systematically review the systemic effects of blood flow restriction training when combined with exercise intervention. # Study Design Systematic review. # Methods Three literature searches were performed: June 2019, September 2019, and January 2020; using MedLine, ScienceDirect, PubMed, Cochrane Reviews and CINAHL Complete. Inclusion criteria included: at least one outcome measure addressing a cardiovascular, endocrinological, systemic or proximal musculoskeletal, or psychosocial outcome, use of clinically available blood flow restriction equipment, use of either resistance or aerobic training in combination with BFR, and use of quantitative measures. Exclusion criteria for articles included only measuring local or distal musculoskeletal changes due to BFR training, examining only passive BFR or ischemic preconditioning, articles not originating from a scholarly peer-reviewed journal, CEBM level of evidence less than two, or PEDro score less than four. Articles included in this review were analyzed with the CEBM levels of evidence hierarchy and PEDro scale. # Results Thirty-five articles were included in the review. PEDro scores ranged between 4 and 8, and had CEBM levels of evidence of 1 and 2. Common systems studied included cardiovascular, musculoskeletal, endocrine, and psychosocial. This review found positive or neutral effects of blood flow restriction training on cardiovascular, endocrinological, musculoskeletal, and psychosocial outcomes. # Conclusions Although BFR prescription parameters and exercise interventions varied, the majority of included articles reported BFR training to produce favorable or non-detrimental effects to the cardiovascular, endocrine, and musculoskeletal systems. This review also found mixed effects on psychosocial outcomes when using BFR. Additionally, this review found no detrimental outcomes directly attributed to blood flow restriction training on the test subjects or outcomes tested. Thus, BFR training may be an effective intervention for patient populations that are unable to perform traditional exercise training with positive effects other than traditional distal muscle hypertrophy and strength and without significant drawbacks to the individual. # Level of Evidence 1bBradley C MillerAlexander W TirkoJustin M ShipeOlivia R SumeriskiKelley MoranNorth American Sports Medicine InstitutearticleSports medicineRC1200-1245ENInternational Journal of Sports Physical Therapy, Vol 16, Iss 4 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sports medicine RC1200-1245
spellingShingle	Sports medicine RC1200-1245 Bradley C Miller Alexander W Tirko Justin M Shipe Olivia R Sumeriski Kelley Moran The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
description	# Background Blood flow restriction (BFR) training has been reported to have significant benefits on local skeletal muscle including increasing local muscle mass, strength, and endurance while exercising with lower resistance. As a result, patients unable to perform traditional resistance training may benefit from this technique. However, it is unclear what effects BFR may have on other body systems, such as the cardiovascular and pulmonary systems. It is important to explore the systemic effects of BFR training to ensure it is safe for use in physical therapy. # Purpose The purpose of this study was to systematically review the systemic effects of blood flow restriction training when combined with exercise intervention. # Study Design Systematic review. # Methods Three literature searches were performed: June 2019, September 2019, and January 2020; using MedLine, ScienceDirect, PubMed, Cochrane Reviews and CINAHL Complete. Inclusion criteria included: at least one outcome measure addressing a cardiovascular, endocrinological, systemic or proximal musculoskeletal, or psychosocial outcome, use of clinically available blood flow restriction equipment, use of either resistance or aerobic training in combination with BFR, and use of quantitative measures. Exclusion criteria for articles included only measuring local or distal musculoskeletal changes due to BFR training, examining only passive BFR or ischemic preconditioning, articles not originating from a scholarly peer-reviewed journal, CEBM level of evidence less than two, or PEDro score less than four. Articles included in this review were analyzed with the CEBM levels of evidence hierarchy and PEDro scale. # Results Thirty-five articles were included in the review. PEDro scores ranged between 4 and 8, and had CEBM levels of evidence of 1 and 2. Common systems studied included cardiovascular, musculoskeletal, endocrine, and psychosocial. This review found positive or neutral effects of blood flow restriction training on cardiovascular, endocrinological, musculoskeletal, and psychosocial outcomes. # Conclusions Although BFR prescription parameters and exercise interventions varied, the majority of included articles reported BFR training to produce favorable or non-detrimental effects to the cardiovascular, endocrine, and musculoskeletal systems. This review also found mixed effects on psychosocial outcomes when using BFR. Additionally, this review found no detrimental outcomes directly attributed to blood flow restriction training on the test subjects or outcomes tested. Thus, BFR training may be an effective intervention for patient populations that are unable to perform traditional exercise training with positive effects other than traditional distal muscle hypertrophy and strength and without significant drawbacks to the individual. # Level of Evidence 1b
format	article
author	Bradley C Miller Alexander W Tirko Justin M Shipe Olivia R Sumeriski Kelley Moran
author_facet	Bradley C Miller Alexander W Tirko Justin M Shipe Olivia R Sumeriski Kelley Moran
author_sort	Bradley C Miller
title	The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
title_short	The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
title_full	The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
title_fullStr	The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
title_full_unstemmed	The Systemic Effects of Blood Flow Restriction Training: A Systematic Review
title_sort	systemic effects of blood flow restriction training: a systematic review
publisher	North American Sports Medicine Institute
publishDate	2021
url	https://doaj.org/article/d8a6503309bf4e969c3b0d64e774c5a7
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The Systemic Effects of Blood Flow Restriction Training: A Systematic Review

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