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Effect of concurrent training with blood flow restriction in the elderly
Libardi CA, Chacon-Mikahil MPT, Cavaglieri CR, Tricoli V, Roschel H, Vechin FC, Conceicao MS, Ugrinowitsch C
International Journal of Sports Medicine 2015 May;36(5):395-399
clinical trial
4/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

The aim of this present study was to investigate on the effects of concurrent training with blood flow restriction (BFR-CT) and concurrent training (CT) on the aerobic fitness, muscle mass and muscle strength in a cohort of older individuals. 25 healthy older adults (64.7 +/- 4.1 years; 69.33 +/- 10.8 kg; 1.6 +/- 0.1 m) were randomly assigned to experimental groups: CT (n = 8, endurance training (ET), 2 days/week for 30 to 40 min, 50 to 80% VO2peak and RT, 2 days/week, leg press with 4 sets of 10 reps at 70 to 80% of 1-RM with 60 s rest), BFR-CT (n = 10, ET, similar to CT, but resistance training with blood flow restriction: 2 days/week, leg press with 1 set of 30 and 3 sets of 15 reps at 20 to 30% 1-RM with 60 s rest) or control group (n = 7). Quadriceps cross-sectional area (CSAq), 1-RM and VO2peak were assessed pre- and post-examination (12 wk). The CT and BFR-CT showed similar increases in CSAq post-test (7.3%, p < 0.001; 7.6%, p < 0.0001, respectively), 1-RM (38.1%, p < 0.001; 35.4%, p = 0.001, respectively) and VO2peak (9.5%, p = 0.04; 10.3%, p = 0.02, respectively). The BFR-CT promotes similar neuromuscular and cardiorespiratory adaptations as CT.

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