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Published on: July 5, 2017
The effects of blood flow restriction training during low intensity online resistance training with older adults
Daniela Presta1, Emma H Chen1, Kate Kraemer1
1Department of Health, Kinesiology and Applied Physiology, Concordia University, Montréal, QC, Canada.
Purpose:
Blood flow restriction (BFR) training involves limiting blood flow to specific areas, enabling low-intensity exercise to mimic high-intensity workouts. This study explored the effectiveness of combining BFR with online exercise classes to improve strength and functionality in older adults.
Methods:
Over ten weeks, men and women, N = 41 with 22 BFR and 19 control (CON), (mean age = 70 ± 6.2) participated in Zoom sessions twice a week. Strength in the hamstrings and quadriceps was assessed using a dynamometer, while functionality was tested with the 30-second sit-to-stand, 8-foot timed upand-go, and 30-second calf raise tests.
Results:
Both the BFR and CON groups showed improvements in muscle strength and lower extremity functionality. However, the BFR group achieved greater gains, mainly in functional performance.
Conclusion:
The observed preliminary evidence suggests that BFR augment the effectiveness of low-intensity exercise by providing an additional physiological stimulus without increasing mechanical load. This study highlights a novel, accessible, and practical strategy for improving functional mobility in aging populations, particularly for individuals who may be unable or unwilling to engage in higher-intensity training. ClinicalTrials.gov: NCT06724393.
