ArticleSports health2026
Adaptation of Muscles With Different Physiological Properties to Resistance Training With and Without Bloodflow Restriction.
Article in Sports health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
backgroundLow-load bloodflow-restricted (BFR) resistance training (LLBFR-RT) has been shown to elicit muscular hypertrophy comparable with high-load resistance training (HL-RT). We aimed to explore the differential impact of LLBFR-RT and HL-RT on hypertrophy of the triceps surae. HYPOTHESIS: LLBFR-RT would be more effective than HL-RT for soleus muscle hypertrophy. In addition, it was hypothesized that HL-RT would be more effective than LLBFR-RT for the hypertrophy of both gastrocnemii. STUDY
designAn active controlled trial. LEVEL OF EVIDENCE: Level 2.
methodsA total of 28 healthy adults were assigned randomly to 2 unilateral plantar-flexion training regimens: HL-RT (75% of 1-repetition maximum [1RM], 4 sets, 10 repetitions) and LLBFR-RT (20% of 1RM, 4 sets, 30+15+15+15 repetitions). Maximal voluntary isometric contractions (MVIC), 1RM, and panoramic ultrasound assessments of the triceps surae were obtained pre- as well and post-4 weeks of intervention (5 sessions per week).
resultsMVIC and 1RM improved statistically from pre- to post-training (
conclusionHL-RT is more effective for eliciting size gains in the lateral gastrocnemius (muscle with a mixed fiber type composition) over a period of high-frequency training. The soleus (muscle with predominant oxidative fibers) adapts to both training regimens in a similar fashion. CLINICAL RELEVANCE: High-frequency plantar-flexion exercise with HL-RT (5 days per week) is preferable to LLBFR-RT when aiming to elicit plantar-flexor strength gains accompanied by more comprehensive hypertrophy of the triceps surae muscle.
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