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Table 2 Baseline anthropometric, training, and diet characteristics of the examined athletes

From: The effect of multi-ingredient intra- versus extra-cellular buffering supplementation combined with branched-chain amino acids and creatine on exercise-induced ammonia blood concentration and aerobic capacity in taekwondo athletes

 

BA→ALK group

ALK→BA group

BA→ALK vs.

ALK→BA group

Mean

±

SD

Mean

±

SD

p-value

N

 

5

4

-

Age

(years)

21

±

3

19

±

3

0.27

Body height

(cm)

181

±

6

179

±

10

0.60

Body mass

(kg)

68.1

±

1.2

70.2

±

14.5

0.75

Fat mass

(kg)

13.8

±

5.6

14.5

±

3.6

1.00

Fat-free mass

(kg)

54.2

±

5.5

56.2

±

16.9

0.81

V̇O2max

(L·min−1)

3.65

±

0.67

3.68

±

1.09

0.95

Training experience

(years)

8

±

1

9

±

3

0.52

Energy intake

(kcal·day−1)

2343

±

492

2796

±

472

0.20

(kcal·kg−1)

35.1

±

7.3

41.6

±

14.0

0.39

Protein intake

(g·day−1)

109

±

19

111

±

15

0.86

(g·kg−1)

1.6

±

0.3

1.6

±

0.5

0.71

(% of energy)

18.9

±

3.1

16.2

±

2.9

0.21

Fat intake

(g·day−1)

71

±

27

106

±

42

0.17

(g·kg−1)

1.1

±

0.4

1.6

±

0.7

0.21

(% of energy)

26.6

±

6.1

33.1

±

10.6

0.28

Carbohydrate intake

(g·day−1)

338

±

60

379

±

57

0.33

(g·kg−1)

5.1

±

0.9

5.7

±

2.0

0.56

(% of energy)

58.1

±

3.4

55.0

±

9.1

0.51

  1. Values are expressed as means ± standard deviation (SD). Abbreviations: ALK multi-ingredient extra-cellular buffering supplement; ALK→BA group the order of implementing the supplementation, 1st ALK, 2nd BA after wash-out; BA multi-ingredient intra-cellular buffering supplement; BA→ALK group the order of implementing the supplementation, 1st BA, 2nd ALK after wash-out; V̇O2max maximal oxygen uptake