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Table 3 Body composition measures for pre- and post-supplementation

From: High-intensity interval training and β-hydroxy-β-methylbutyric free acid improves aerobic power and metabolic thresholds

  Control (n = 8) PLA-HIIT (n = 13) HMBFA-HIIT (n = 13)
Measure Pretest Posttest Pretest Posttest Pretest Posttest
Body weight (kg) 76.3 ± 12.8 75.5 ± 12.7 74.9 ± 16.6 75.2 ± 16.3 72.4 ± 9.9 72.5 ± 10.0
Lean soft tissue mass (kg) 56.5 ± 11.7 56.4 ± 10.7 58.4 ± 16.6 58.6 ± 16.6 52.2 ± 10.9 52.2 ± 10.9
Total body fat mass (kg) 15.9 ± 7.0 14.3 ± 8.4 13.3 ± 4.8 13.2 ± 4.6 16.9 ± 5.3 17.0 ± 5.4
Body fat % 22.4 ± 8.1 22.0 ± 2.8 19.7 ± 8.6 19.5 ± 8.4 24.8 ± 8.1 24.6 ± 7.7
  1. Values are means ± SD. HIIT, high-intensity interval training; HMBFA, β-hydroxy-β-methylbutyrate in the free acid form (BetaTor™, Metabolic Technologies Inc, Ames, IA); PLA, placebo.