The effect of unilateral blood flow restriction on temporal and spatial gait parameters

Faras, TJ; Laporte, MD; Sandoval, R; Najjar, F; Ade, V; Stubbs, P

The effect of unilateral blood flow restriction on temporal and spatial gait parameters

Faras, TJ Laporte, MD Sandoval, R Najjar, F Ade, V Stubbs, P

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Publication Type:: Journal Article
Citation:: Heliyon, 2019, 5 (1)
Issue Date:: 2019-01-01

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Field	Value	Language
dc.contributor.author	Faras, TJ	en_US
dc.contributor.author	Laporte, MD	en_US
dc.contributor.author	Sandoval, R	en_US
dc.contributor.author	Najjar, F	en_US
dc.contributor.author	Ade, V	en_US
dc.contributor.author	Stubbs, P https://orcid.org/0000-0003-4555-8019	en_US
dc.date.available	2019-01-15	en_US
dc.date.issued	2019-01-01	en_US
dc.identifier.citation	Heliyon, 2019, 5 (1)	en_US
dc.identifier.issn	2405-8440	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134029
dc.description.abstract	© 2019 The Authors Blood flow restriction walking (BFR-W) is becoming more frequently used in aerobic and strength training and it has been proposed that BFR-W can be used in clinical populations. BFR-W may change gait stability yet few studies have assessed gait changes during or following BFR-W. The aim of this study was to assess if spatial-temporal gait parameters change during and following BFR-W. Twenty-four participants completed two walking sessions (>48-hours apart); 1) Unilateral BFR-W applied at the dominant thigh, 2) walking without BFR. In each session participants performed a 5-min warmup, 15-min walking intervention and 10-min active recovery. The warmup and active recovery were performed without BFR on both days. Measurements were attained at baseline, during the intervention and post-intervention using the GAITRite®. Linear mixed models were applied to each measured variable. Fixed factors were timepoint (warmup, intervention, and active recovery), condition (BFR-W and control walking) and condition × timepoint. Random factors were subject and subject × condition. Participants took shorter (3.2-cm (mean difference), CI95%: 0.8–5.6-cm) and wider strides (1.4-cm, CI95%: 0.9–1.9-cm) during BFR-W. For single leg measures, participants took shorter steps (2.8-cm, CI95%: 1.7–4.0-cm) with a faster single support time (7.5-ms, CI95%: 2.9–12.0-ms) on the non-dominant (unoccluded) leg during BFR-W compared to the non-dominant leg during control walking. There were no differences in step length and single support time between the dominant (occluded) leg during BFR-W compared to the dominant leg during control walking. There were no significant changes in velocity, cadence or double support time between BFR-W and control walking (P > 0.05). BFR-W caused small transient changes to several gait parameters. These changes should be considered when using BFR-W in clinical populations.	en_US
dc.relation.ispartof	Heliyon	en_US
dc.relation.isbasedon	10.1016/j.heliyon.2019.e01146	en_US
dc.title	The effect of unilateral blood flow restriction on temporal and spatial gait parameters	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	5	en_US
utslib.for	1116 Medical Physiology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Graduate School of Health
utslib.copyright.status	open_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	5	en_US

Abstract:

© 2019 The Authors Blood flow restriction walking (BFR-W) is becoming more frequently used in aerobic and strength training and it has been proposed that BFR-W can be used in clinical populations. BFR-W may change gait stability yet few studies have assessed gait changes during or following BFR-W. The aim of this study was to assess if spatial-temporal gait parameters change during and following BFR-W. Twenty-four participants completed two walking sessions (>48-hours apart); 1) Unilateral BFR-W applied at the dominant thigh, 2) walking without BFR. In each session participants performed a 5-min warmup, 15-min walking intervention and 10-min active recovery. The warmup and active recovery were performed without BFR on both days. Measurements were attained at baseline, during the intervention and post-intervention using the GAITRite®. Linear mixed models were applied to each measured variable. Fixed factors were timepoint (warmup, intervention, and active recovery), condition (BFR-W and control walking) and condition × timepoint. Random factors were subject and subject × condition. Participants took shorter (3.2-cm (mean difference), CI95%: 0.8–5.6-cm) and wider strides (1.4-cm, CI95%: 0.9–1.9-cm) during BFR-W. For single leg measures, participants took shorter steps (2.8-cm, CI95%: 1.7–4.0-cm) with a faster single support time (7.5-ms, CI95%: 2.9–12.0-ms) on the non-dominant (unoccluded) leg during BFR-W compared to the non-dominant leg during control walking. There were no differences in step length and single support time between the dominant (occluded) leg during BFR-W compared to the dominant leg during control walking. There were no significant changes in velocity, cadence or double support time between BFR-W and control walking (P > 0.05). BFR-W caused small transient changes to several gait parameters. These changes should be considered when using BFR-W in clinical populations.

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http://hdl.handle.net/10453/134029