The effects of traditional strength and blood flow restriction training versus a combination of both on measures of strength, hypertrophy and power in elite athletes
Author
Ismail, Daniel
Date
2014Type
Thesis
Publisher
Cardiff Metropolitan University
Metadata
Show full item recordAbstract
The purpose of this study was to investigate the effectiveness of varying training
interventions and exposures, over a 7 week period on elite athletes. The effects of
traditional strength training (TST, 80% of one repetition maximum [1RM], 4d/week), blood
flow restriction (BFR, 30% 1RM, 2d/week), combined TST and BFR (TST-BFR, TST
4d/week and BFR 2d/week) were analysed on measures of hypertrophy, strength and
power. Twenty seven elite athletes were randomly divided into the three training
interventions (TST n=9, BFR n=8 and TST-BFR n=10) in a test, re-test experimental
design. The increased thigh girth circumference and 1RM leg press strength in TST
(1.6cm/2.6% and 20kg/6%), BFR (2.1cm/3.7% and 21.2kg/6.6%) and TST-BFR
(3.2cm/5.1% and 39.9kg/11.7%) were all significant (p< 0.01) with a strong effect size for
each group (η2s> .800). Countermovement jump did not change significantly (p> 0.05) in
any of the aforementioned training interventions. The results suggest that BFRT could
provide supplementary benefits to TST in improving muscular hypertrophy and strength
when the two training modalities are combined in elite athletes. Furthermore, data
presented in the study suggests that BFRT can provide athletes with quick time course
adaptations in muscular hypertrophy and strength. Key words: muscle hypertrophy,
muscle strength, power, sport performance, resistance exercise, strength training,
ischemia, blood flow restriction, vascular occlusion, KAATSU, exertion, perception, elite
athletes
Description
DEGREE OF BACHELOR OF SCIENCE (HONOURS)
SPORT AND EXERCISE SCIENCE
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