Body Fluid Estimation Via Segmental Multi-Frequency Bioelectrical Impedance Analysis Following Acute Resistance Exercise
نویسندگان
چکیده
Segmental multi-frequency bioelectrical impedance analysis (S-MFBIA) estimates body composition and fluids by passing electrical currents through the can separate into distinct segments. The minimum required abstention from exercise before S-MFBIA is unclear. PURPOSE: purpose of this study was to monitor changes in total water (TBW), intracellular (ICW), extracellular (ECW) estimated via following acute, localized bouts resistance (RE). METHODS: Thirty-two female (n = 18; age: 22.7 ± 1.4 y; height: 167.5 7.5 cm; mass: 66.6 14.5 kg; fat: 30.3 6.2%) male 14; 24.2 2.9; 178.7 5.3; 85.7 7.8 19.6 6.9%) resistance-trained volunteers completed three randomly assigned conditions a crossover design. Each RE protocol (REUPPER or RELOWER) consisted exercises began with two warm-up sets 12-15 repetitions per exercise. This followed circuit 5 10 one-minute rest interval between circuits. In resting (REST) condition, participants did not complete any physical activity. performed at five timepoints: pre-exercise, immediate post-exercise, 15-, 30-, 60-minutes post-exercise. Data were analyzed using linear mixed-effects models random intercept for participant. all models, REST reference pre-exercise time point. RESULTS: Although mass differ conditions, condition interactions observed TBW, ICW, ECW (p < 0.001 each), higher values post-exercise points REUPPER as compared condition. Mean differences ranged 0.6-1.0 kg, 0.4-0.6 0.2-0.4 respectively. Conversely, RELOWER alter fluid estimates. CONCLUSIONS: An acute increase detected after single bout upper body, but lower RE. could be due smaller initial diameter greater relative change arms legs. Due potential artificial changes, users should avoid - particularly prior assessments.
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ژورنال
عنوان ژورنال: Medicine and Science in Sports and Exercise
سال: 2022
ISSN: ['1530-0315', '0195-9131']
DOI: https://doi.org/10.1249/01.mss.0000879632.38364.f4