Key result
Combined low-intensity BFR and HI-RT improves 1-RM and isokinetic strength in long jumpers vs HI-RT alone.
Why the study?
This study aimed to evaluate the effects of low-intensity blood flow restriction training and high-intensity resistance training on the leaping performance of long-jumpers.
Does combined low-intensity blood flow restriction and high-intensity resistance training improve muscle strength and power in long jumpers compared to high-intensity resistance training alone?
Does combined low-intensity blood flow restriction and high-intensity resistance training improve muscle strength and power in long jumpers compared to high-intensity resistance training alone?
Combining low-intensity blood flow restriction with high-intensity resistance training enhances lower limb strength and power in long jumpers more than high-intensity resistance training alone.
May support BFR adjunct in athlete training; hypothesis-generating and requires larger trials before practice change.
Purpose: This study aimed to evaluate the effects of low-intensity blood flow restriction (BFR) training and high-intensity resistance training (HI-RT) on the leaping performance of long-jumpers. Materials and methods: Long jump players were divided into two groups; one group (group A) receiving HI-RT (n = 8) and the other group (group B) receiving combined low-intensity BFR training plus HI-RT (n = 8). Muscle power and knee muscle strength was assessed at baseline, 3 weeks and 6 weeks of intervention. Results: 1-RM was found to be significantly different between Group A and Group B at 3 and 6 weeks. Further, IKDQR, IKDHR and IKDQL was significantly improved in group B as compared to group A both at 3 and 6 weeks. There was significant time effect, group effect and time-group interaction in the strength of quadriceps and hamstring of both left and right leg measured through isokinetic device. Post-hoc analysis for 1-RM in group B showed a significant improvement at baseline and 6 weeks and the broad jump was significant at baseline and 3 weeks and at baseline and 6 weeks. Conclusion: The combined effects of low-intensity BFR training and HI-RT is effective in improving the muscle strength and power of lower limbs in long jumpers.
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Sarfabadi et al. (2023) studied Athletic performance in long jumpers (n=16). Combined low-intensity blood flow restriction (BFR) training and high-intensity resistance training (HI-RT) vs. High-intensity resistance training (HI-RT) alone was evaluated on Muscle power and knee muscle strength (including 1-RM and isokinetic strength). Combined low-intensity blood flow restriction and high-intensity resistance training significantly improved 1-RM and isokinetic strength in long jumpers compared to HI-RT alone at 3 and 6 weeks.
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