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The influence of participant characteristics on the relationship between cuff pressure and level of blood flow restriction

Hunt, JEA, Stodart, C and Ferguson, RA (2016) The influence of participant characteristics on the relationship between cuff pressure and level of blood flow restriction European Journal of Applied Physiology, 116 (7). pp. 1421-1432.

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Abstract

Purpose Previous investigations to establish factors influencing the blood flow restriction (BFR) stimulus have determined cuff pressures required for complete arterial occlusion, which does not reflect the partial restriction prescribed for this training technique. This study aimed to establish characteristics that should be accounted for when prescribing cuff pressures required for partial BFR. Methods Fifty participants were subjected to incremental blood flow restriction of the upper and lower limbs by proximal pneumatic cuff inflation. Popliteal and brachial artery diameter, blood velocity and blood flow was assessed with Doppler ultrasound. Height, body mass, limb circumference, muscle–bone cross-sectional area, adipose thickness (AT) and arterial blood pressure were measured and used in different models of hierarchical linear regression to predict the pressure at which 60 % BFR (partial occlusion) occurred. Results Combined analysis revealed a difference in cuff pressures required to elicit 60 % BFR in the popliteal (111 ± 12 mmHg) and brachial arteries (101 ± 12 mmHg). MAP (r = 0.58) and AT (r = −0.45) were the largest independent determinants of lower and upper body partial occlusion pressures. However, greater variance was explained by upper and lower limb regression models composed of DBP and BMI (48 %), and arm AT and DBP (30 %), respectively. Conclusion Limb circumference has limited impact on the cuff pressure required for partial blood flow restriction which is in contrast to its recognised relationship with complete arterial occlusion. The majority of the variance in partial occlusion pressure remains unexplained by the predictor variables assessed in the present study.

Item Type: Article
Subjects : Biosciences
Divisions : Faculty of Health and Medical Sciences > School of Biosciences and Medicine
Authors :
AuthorsEmailORCID
Hunt, JEAUNSPECIFIEDUNSPECIFIED
Stodart, CUNSPECIFIEDUNSPECIFIED
Ferguson, RAUNSPECIFIEDUNSPECIFIED
Date : July 2016
Identification Number : 10.1007/s00421-016-3399-6
Copyright Disclaimer : © The Author(s) 2016. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 05 Jul 2016 13:33
Last Modified : 05 Jul 2016 13:33
URI: http://epubs.surrey.ac.uk/id/eprint/811111

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