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Table 1 Characteristics of the participating rowers (n = 16)

From: The efficacy of a β-hydroxy-β-methylbutyrate supplementation on physical capacity, body composition and biochemical markers in elite rowers: a randomised, double-blind, placebo-controlled crossover study

  Study group
Parameter Means ± SD Range
Age (yr) 19.5 ± 1.4 17.0 – 22.0
Body mass (kg) 87.3 ± 9.8 69.0 – 104.7
Height (cm) 187 ± 5 176 – 194
FFM (kg) 73.8 ± 6.4 63.9 – 83.4
FM (kg) 13.6 ± 5.3 5.1 –21.6
\( \dot{\mathrm{V}}{\mathrm{O}}_2 \max \) (mL · min−1 · kg−1) 68.1 ± 6.4 58.4 – 75.0
Peak power (W · kg−1) 11.6 ± 1.1 9.9 – 13.2
Years training (yr) 8.2 ± 2.8 6 – 10
Number of training sessions per week (session · week−1) 8.6 ± 2.7 7 – 10
Number of hours of training per week (h · week−1) 16.8 ± 5.9 10 – 24
Energy intake (kcal · kg−1 · day−1)a 56.1 ± 14.2 37.0 – 79.2
Protein intake (g · kg−1 · day−1)a 1.6 ± 0.2 1.3 – 2.0
Carbohydrate intake (g · kg−1 · day−1)a 6.3 ± 1.4 4.9 – 9.3
Fat intake (g · kg−1 · day−1)a 1.7 ± 0.4 1.2 – 2.4
  1. FFM fat-free mass, FM fat mass; \( \dot{V}{O}_2 max \) maximal oxygen uptake
  2. aMean energy and macronutrient intake during the supplementation period