Effects of Strength Training with Blood Flow Restriction and Oxygen Supplementation
Author Information
Author(s): Vervloet Grégory, Fregosi Lou, Gauthier Arthur, Grenot Pierre, Balestra Costantino, Tsoukos Athanasios
Primary Institution: Haute Ecole Bruxelles-Brabant (HE2B), Brussels, Belgium
Hypothesis
Both training modalities will lead to similar improvements in strength and muscle volume.
Conclusion
Both BFR and oxygen supplementation are effective in enhancing strength with light loads, though they elicit different structural and perceptual responses.
Supporting Evidence
- All groups demonstrated significant increases in maximal voluntary contraction (MVC) after five weeks.
- The BFR-isometric group showed increased calf circumference.
- The 3/7 groups exhibited significant fascicle length gains.
- Perceived exertion was consistently higher in BFR groups compared to oxygen supplementation.
Takeaway
This study looked at two ways to make muscles stronger: one with a special band that limits blood flow and the other with extra oxygen. Both worked well, but they felt different for the people doing the exercises.
Methodology
Participants were randomized into six subgroups based on contraction type and oxygen condition, with training sessions conducted three times a week for five weeks.
Potential Biases
Potential bias due to self-selection of participants and lack of supervision during some training sessions.
Limitations
The absence of a control group limits direct comparison of outcomes, and sessions were not supervised on weekends.
Participant Demographics
36 young healthy participants (21 females, 15 males) aged 18-35.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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