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Effects of Low-Intensity Blood Flow Restriction Training in Normoxia and Hypoxia Conditions
Sponsor: The Jerzy Kukuczka Academy of Physical Education in Katowice
Summary
One approach to significantly reducing resistance training intensity while maintaining effectiveness in muscle mass and strength development involves conducting training sessions under hypoxic conditions. This is likely due to heightened physiological responses. While sports science research indicates a substantial impact of hypoxic conditions on immediate increases in metabolic stress and augmented hormonal responses, recent findings suggest that the role of their influence on skeletal muscle adaptations post-resistance training under hypoxic conditions remains unknown. Additionally, there is a lack of reports on whether the type of hypoxia applied via blood flow restriction or chamber differentiates the increase in secretion of these catecholamines in both immediate and long-term aspects.
Official title: Acute and Chronic Effects of Low-Intensity Blood Flow Restriction Training in Normoxia and Hypoxia Conditions on Muscle Strength, Thickness, Catecholamine, and Inflammatory Responses in Physically Active Adults
Key Details
Gender
All
Age Range
18 Years - 30 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2023-11-20
Completion Date
2024-07-01
Last Updated
2024-06-11
Healthy Volunteers
Yes
Interventions
low-intensity resistance training
4 sets of 30/15/15/15 repetitions of leg press exercise with a load of 20-30% of one-repetition maximum (weeks 1-3: 20%, weeks 4-6: 30%) in normoxic conditions performed twice a week for 6 weeks.
high-intensity resistance training
4 sets of 10 repetitions of leg press exercise at 70-80% one-repetition maximum (weeks 1-3: 70%, weeks 4-6: 80%) in normoxic conditions performed twice a week for 6 weeks.
low-intensity resistance training combined with blood flow restriction
4 sets of 30/15/15/15 repetitions of leg press exercise with a load of 20-30% of one-repetition maximum (weeks 1-3: 20%, weeks 4-6: 30%) in normoxic conditions with lower-limbs blood flow restriction (80% total occlusion pressure) performed twice a week for 6 weeks.
low-intensity resistance training in hypoxia condition
4 sets of 30/15/15/15 repetitions of leg press exercise with a load of 20-30% of one-repetition maximum (weeks 1-3: 20%, weeks 4-6: 30%) in hypoxia conditions (3500 meters above sea) performed twice a week for 6 weeks.
low-intensity resistance training combined with blood flow restriction in hypoxia condition
4 sets of 30/15/15/15 repetitions of leg press exercise with a load of 20-30% of one-repetition maximum (weeks 1-3: 20%, weeks 4-6: 30%) in normobaric hypoxia conditions (3500 meters above sea) with lower-limbs blood flow restriction (80% total occlusion pressure) performed twice a week for 6 weeks.
Locations (1)
The Jerzy Kukuczka Academy of Physical Education
Katowice, Silesian Voivodeship, Poland