Eccentric and blood flow restriction exercises in women induce hypertrophy

Wells, Elizabeth K.; Eustace, Danielle; Gupton, C Stuart; Dedrick, Gregory S.; Bunn, Jennifer

doi:10.23736/s0022-4707.19.09573-2

Cited by 5 publications

(7 citation statements)

References 36 publications

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“…Although CSA increased in both groups in the present study, there was no change over time for thigh circumference. This contradicts previous literature showing increased muscle circumference with BFR in the upper and lower extremity (5,9,13). Interestingly, Credeur et al (5) used the contralateral upper extremity of each participant as the control and showed increases in both arms.…”

Section: Discussioncontrasting

confidence: 99%

“…The isovolumetric design of interventions between groups provided enough stimulus in the low load with BFR training group to match the high load without BFR group. Further, Giles et al (2) and Segal et al (11) included clinical populations, whereas the present study and Wells et al (13) included only healthy individuals. Collectively, the studies show increased CSA with BFR in healthy and movement-limited populations, regardless of sex.…”

Section: Discussionmentioning

confidence: 74%

“…This study demonstrated consistently higher RPE values from control participants compared with the BFR participants. Wells et al (13) reported an overall decrease in RPE for both groups, and Abe et al (24) reported higher RPE in the BFR group, but neither reported an increase in exercise load over the duration of training. The positive results seen in the present study for the BFR group suggest that low-load BFR training can achieve desirable results with less perceived exertion.…”

Section: Discussionmentioning

confidence: 96%

“…BFR has been demonstrated to increase muscle strength and hypertrophy compared with control interventions in healthy participants, athletes, postsurgery and clinical rehabilitation individuals, and older adults (2,(9)(10)(11)(12). Studies with varying protocols in training volume, percent blood flow occlusion, and exercises selected have indicated that BFR can be useful across different training protocols and populations (2,(9)(10)(11)(12)(13). Much of the previous literature involves single-joint exercises, with little focus on functional movements or aerobic exercise (7).…”

Section: Introductionmentioning

confidence: 99%

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Effects of Blood Flow Restriction Training on Muscle Size, Power, and V̇O2max in Active Adults

et al. 2023

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Introduction/PurposeThis study aimed to investigate the effects of isovolumetric training with and without blood flow restriction (BFR) on muscle hypertrophy, power, strength, and aerobic capacity.MethodsTwenty participants (30.2 ± 7.7 yr, 69.6 ± 15.0 kg, 166.8 ± 7.3 cm) were randomized to a control (n = 11) or BFR group (n = 9). Testing sessions included measurement of bilateral thigh circumference, cross-sectional area of the vastus lateralis and biceps femoris via ultrasound imaging, determination of maximum oxygen consumption (V̇O2max) and power output via rowing, and estimated one-repetition maximum (1-RM) deadlift. Participants trained twice weekly for 4 wk. The BFR group (applied to thighs bilaterally at 80% occlusion) rowed at 40% maximum power output and lifted 30% 1-RM for 1 × 20 reps and 3 × 10 reps. The control group rowed at 80% power and lifted 60% 1-RM for 1 × 10 reps and 3 × 5 reps.ResultsAnalyses indicated a main effect over time (P = 0.001) for power (P = 0.001), cross-sectional area of vastus lateralis and biceps femoris bilaterally (P = 0.001 for both), and V̇O2max (P = 0.003), indicating that both groups improved over time. Results also indicated that the control group had higher ratings of perceived exertion than the BFR group during training (P = 0.04).ConclusionsThe two types of training did not produce different results, except the BFR group had a higher output in maximum power. BFR training can be a feasible option for individuals unable to train at 60%–80% of maximum allowing for progressive rehabilitation with lower intensity.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Effects of Blood Flow Restriction Training on Muscle Size, Power, and V̇O2max in Active Adults

et al. 2023

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“…The effects of BFR in both male [44,45] and female [46][47][48] populations have been examined; however, despite the growing popularity of BFR, the number of studies specifically investigating the differences in responses due to sex are limited. Previous groups [46,47,[49][50][51] have reported using BFR in female-only cohorts; however, these studies were designed to observe performance and training outcomes rather than changes in hemodynamic or hormone responses that may occur during the different phases of the menstrual cycle. Sakamaki et.…”

Section: Sex Differencesmentioning

confidence: 99%

Acute physiological responses to arm-cranking with blood flow restriction

Cockfield¹

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Lower limb blood flow occlusion increases systemic pressor response without increasing brachial arterial blood flow redistribution in women

Fleming,

MacDonald,

Buckner

et al. 2024

Clin Physio Funct Imaging

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This study was conducted to investigate the systemic hemodynamic and vascular changes in women during and after two commonly used clinical blood flow restriction (BFR) pressures at rest. There are minimal data regarding the independent effects of BFR on hemodynamic and systemic vascular changes due to pressor response, particularly among women. Therefore, this study investigated BFR‐induced alterations in pressor response and systemic flow redistribution at rest during two commonly used pressures (50% and 80% limb occlusion pressure [LOP]). Fifteen women (22.1 ± 4.2 years) completed two randomised sessions involving 8‐min of bilateral, lower limb restriction at 50% or 80% LOP followed by 8‐min of recovery post‐deflation. Changes in vascular (arterial diameter [DIA], time‐averaged mean velocity [TAMV], volume flow [VF], and area) and hemodynamic (heart rate [HR] and blood pressure) measures over time (pre‐, during, post‐occlusion) and by session (50% vs. 80% LOP) were tested using repeated measures analysis of variance. Repeated measures correlations (rrm) quantified common intraindividual associations between BFR‐induced hemodynamic and vascular responses. HR increased from baseline during 50% LOP and remained elevated during recovery (p < 0.05). HR increased from baseline during 80% LOP, while tibial VF and TAMV decreased (p < 0.03 for all). HR and TAMV values returned to baseline during recovery, while brachial artery VF decreased (p < 0.05). Changes in HR, brachial VF, and brachial TAMV were similar between 50% and 80% LOP (rrm = 0.32–0.70, p < 0.05 for all). At 80% LOP, changes in HR were positively correlated with brachial VF (rrm = 0.38) and TAMV (rrm = 0.43) and negatively correlated with tibial VF (rrm = −0.36) and TAMV (rrm = −0.30) (p < 0.05 for all). Results suggest that BFR at 80% LOP elicits an acute systemic pressor reflex without concomitant increases in brachial arterial flow, while 50% LOP elicits a subdued response.

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Eccentric and blood flow restriction exercises in women induce hypertrophy

Cited by 5 publications

References 36 publications

Effects of Blood Flow Restriction Training on Muscle Size, Power, and V̇O2max in Active Adults

Effects of Blood Flow Restriction Training on Muscle Size, Power, and V̇O2max in Active Adults

Acute physiological responses to arm-cranking with blood flow restriction

Lower limb blood flow occlusion increases systemic pressor response without increasing brachial arterial blood flow redistribution in women

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