Effects of Low-Load Resistance Exercise with Blood Flow Restriction
Author Information
Author(s): Jagim Andrew R., Schuler Jordan, Szymanski Elijah, Khurelbaatar Chinguun, Carpenter Makenna, Fields Jennifer B., Jones Margaret T.
Primary Institution: Mayo Clinic Health System
Hypothesis
How do acute physiological responses to low-load resistance exercise with blood flow restriction compare to higher-load, non-BFR resistance exercise?
Conclusion
Using a low-load BFR protocol may allow for a higher training volume while resulting in lower metabolic stress and less neuromuscular fatigue compared to higher-load non-BFR training.
Supporting Evidence
- Participants completed significantly more total repetitions in the BFR condition compared to non-BFR.
- There was a lower training load volume in the BFR condition compared to the non-BFR condition.
- A greater increase in blood lactate occurred in the non-BFR condition compared to BFR.
- A greater reduction in CMJ height occurred in the non-BFR condition compared to BFR.
Takeaway
This study shows that lifting lighter weights with a special band can help you do more repetitions without feeling as tired as lifting heavier weights without the band.
Methodology
Participants completed two conditions: low-load resistance exercise with blood flow restriction and high-load resistance exercise without blood flow restriction, measuring various physiological responses.
Limitations
The study did not include a third condition of low load without BFR, and the small sample size limited the ability to examine sex differences.
Participant Demographics
13 recreationally trained college-aged males (n = 6) and females (n = 7), mean age 19.6 years.
Statistical Information
P-Value
p = 0.015; p < 0.001; p < 0.001
Confidence Interval
95%CI: 9.93, 13.28 mmol/L; 95%CI: −9.14, −2.88 cm
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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