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Perceptual and arterial occlusion responses to very low load blood flow restricted exercise performed to volitional failure.
Clin Physiol Funct Imaging. 2019 Jan; 39(1):29-34.CP

Abstract

PURPOSE

Studies examining perceptual and arterial occlusion responses between blood flow restricted exercise and high load exercise often prescribe an arbitrary number of repetitions, making it difficult for direct comparisons. Therefore, the purpose of this study was to compare these protocols when performed to volitional failure.

METHODS

Individuals completed four exercise conditions varying in load and pressure: (i) 15% 1RM; no restrictive pressure, (ii) 15% 1RM; 40% arterial occlusion pressure, (iii) 15% 1RM; 80% arterial occlusion pressure, and (iv) 70% 1RM; no pressure. Four sets of knee extension exercises were performed until volitional failure (or until 90 repetitions per set) was completed.

RESULTS

A total of 23 individuals completed the study. While all conditions increased arterial occlusion pressure, the greatest increases (~30%) were observed in the blood flow restriction conditions. All lower load conditions resulted in greater RPE and discomfort than that of the high load condition, but only discomfort was increased further when adding blood flow restriction.

CONCLUSION

High load exercise will likely be perceived more favourably than lower load exercise to volitional failure; however, those who are incapable or unwilling to lift heavier loads may use blood flow restriction to help reduce the volume needed to reach volitional failure, although this will likely increase discomfort.

Authors+Show Affiliations

Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.Kevser Ermin Applied Physiology Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

29938892

Citation

Dankel, Scott J., et al. "Perceptual and Arterial Occlusion Responses to Very Low Load Blood Flow Restricted Exercise Performed to Volitional Failure." Clinical Physiology and Functional Imaging, vol. 39, no. 1, 2019, pp. 29-34.
Dankel SJ, Jessee MB, Mattocks KT, et al. Perceptual and arterial occlusion responses to very low load blood flow restricted exercise performed to volitional failure. Clin Physiol Funct Imaging. 2019;39(1):29-34.
Dankel, S. J., Jessee, M. B., Mattocks, K. T., Buckner, S. L., Mouser, J. G., Bell, Z. W., Abe, T., & Loenneke, J. P. (2019). Perceptual and arterial occlusion responses to very low load blood flow restricted exercise performed to volitional failure. Clinical Physiology and Functional Imaging, 39(1), 29-34. https://doi.org/10.1111/cpf.12535
Dankel SJ, et al. Perceptual and Arterial Occlusion Responses to Very Low Load Blood Flow Restricted Exercise Performed to Volitional Failure. Clin Physiol Funct Imaging. 2019;39(1):29-34. PubMed PMID: 29938892.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Perceptual and arterial occlusion responses to very low load blood flow restricted exercise performed to volitional failure. AU - Dankel,Scott J, AU - Jessee,Matthew B, AU - Mattocks,Kevin T, AU - Buckner,Samuel L, AU - Mouser,J Grant, AU - Bell,Zachary W, AU - Abe,Takashi, AU - Loenneke,Jeremy P, Y1 - 2018/06/25/ PY - 2018/03/15/received PY - 2018/06/06/accepted PY - 2018/6/26/pubmed PY - 2019/4/10/medline PY - 2018/6/26/entrez KW - Kaatsu KW - arterial occlusion KW - ischaemia KW - knee extensions KW - perceived exertion KW - vascular occlusion SP - 29 EP - 34 JF - Clinical physiology and functional imaging JO - Clin Physiol Funct Imaging VL - 39 IS - 1 N2 - PURPOSE: Studies examining perceptual and arterial occlusion responses between blood flow restricted exercise and high load exercise often prescribe an arbitrary number of repetitions, making it difficult for direct comparisons. Therefore, the purpose of this study was to compare these protocols when performed to volitional failure. METHODS: Individuals completed four exercise conditions varying in load and pressure: (i) 15% 1RM; no restrictive pressure, (ii) 15% 1RM; 40% arterial occlusion pressure, (iii) 15% 1RM; 80% arterial occlusion pressure, and (iv) 70% 1RM; no pressure. Four sets of knee extension exercises were performed until volitional failure (or until 90 repetitions per set) was completed. RESULTS: A total of 23 individuals completed the study. While all conditions increased arterial occlusion pressure, the greatest increases (~30%) were observed in the blood flow restriction conditions. All lower load conditions resulted in greater RPE and discomfort than that of the high load condition, but only discomfort was increased further when adding blood flow restriction. CONCLUSION: High load exercise will likely be perceived more favourably than lower load exercise to volitional failure; however, those who are incapable or unwilling to lift heavier loads may use blood flow restriction to help reduce the volume needed to reach volitional failure, although this will likely increase discomfort. SN - 1475-097X UR - https://www.unboundmedicine.com/medline/citation/29938892/Perceptual_and_arterial_occlusion_responses_to_very_low_load_blood_flow_restricted_exercise_performed_to_volitional_failure_ L2 - https://doi.org/10.1111/cpf.12535 DB - PRIME DP - Unbound Medicine ER -