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Inter-Set Blood-Flow Restriction Increases Peripheral Physiological Stress While Preserving Repeated-Sprint Mechanical Output in Trained Athletes.

Zheng T, Jiang L, Chen Y, Bao D, Girard O. · European journal of sport science · 2026

Researchers had 26 national-level male badminton players do repeated 5-second cycling sprints, applying blood-flow restriction cuffs (or a sham low-pressure cuff) to the legs during the rest periods between sets. Sprint power was unaffected by the cuffs, but BFR lowered muscle oxygen levels and slowed reoxygenation during recovery, raised leg discomfort and perceived effort, and led to a drop in countermovement jump height afterward.
Takeaway: Consider using cuffs between sprint sets to raise training stress without losing sprint power, but expect more fatigue and schedule jump or power work accordingly.
Abstract (source)

Inter-set blood-flow restriction (BFR) may increase the physiological stimulus of repeated-sprint exercise without compromising mechanical output, but evidence in trained athletes is limited. In a randomized crossover

Design: , 26 national-level male badminton players completed three 5 × 5-s cycling sprints (25-s intra-set rest, 3.5-min inter-set recovery). During the first two recoveries, cuffs were inflated to 130 mmHg (BFR) or 20 mmHg (sham-BFR). Outcomes included power output, vastus lateralis muscle oxygenation (SmO 2 ), heart rate, exercise-related sensations, and vertical jump. Mean and peak power declined across sets with no condition or interaction effects. Sprint decrement scores showed no differences. Muscle oxygenation kinetics revealed time and condition × time effects: recovery SmO 2 was lower with BFR during the first two inter-set recoveries (Δ = 16.04 and 15.50 pp; p ≤ 0.05), whereas this difference reversed during the non-occluded third recovery (Δ = -6.00; p = 0.010). Early SmO 2 resaturation slopes (0-30 s) were slower with BFR in recoveries 1-2 (Δ = +0.250 and + 0.209 pp/s; p < 0.001 and < 0.05), but not recovery 3. Heart rate and breathing difficulty increased across sets, without condition effects. Response showed condition × set interactions, with higher leg discomfort (Set 2) and perceived exertion (Sets 2-3) under BFR. After exercise, countermovement height decreased in BFR (p < 0.001), not in sham-BFR (p = 0.093). Inter-set BFR increased peripheral physiological and perceptual stress and altered muscle oxygenation recovery without compromising repeated-sprint mechanical performance or cardiovascular responses. This strategy may provide a practical

Method: to enhance training stress in trained athletes, although greater post-exercise reductions in jump performance suggest potential neuromuscular fatigue.

Randomized controlled trialRecovery & Sleep
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