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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