Relationship between Nutrition Knowledge and Physical Fitness in Semiprofessional Soccer Players
Table 2
Anthropometry, body composition, flexibility, and aerobic and anaerobic power of soccer players by nutritional knowledge.
Total ()
Low NK ()
Moderate NK ()
High NK ()
Comparison
Age (yr)
21.3 ± 4.9
19.7 ± 4.1H
20.8 ± 4.2H
24.1 ± 5.8L,M
= 13.1, , = 0.13
Weight (kg)
72.3 ± 8.4
70.1 ± 8.6H
72.3 ± 8.5
74.6 ± 7.3L
= 3.9, = 0.021, = 0.04
Height (cm)
177.5 ± 6.4
176.4 ± 6.3
177.1 ± 6.5
179.3 ± 6.3
= 2.8, = 0.062, = 0.03
BMI (kg·m−2)
22.9 ± 2.0
22.5 ± 2.2
23.0 ± 2.1
23.2 ± 1.6
= 1.7, = 0.182, = 0.02
BF (%)
14.5 ± 3.8
14.6 ± 3.5
14.5 ± 4.1
14.4 ± 3.8
< 0.1, = 0.963, < 0.01
FM (kg)
10.7 ± 3.7
10.4 ± 3.4
10.7 ± 3.9
10.9 ± 3.6
= 0.2, = 0.780, < 0.01
FFM (kg)
61.6 ± 6.2
59.7 ± 6.3H
61.7 ± 6.4
63.7 ± 5.2L
= 5.7, = 0.004, = 0.06
SAR (cm)
24.5 ± 7.0
22.6 ± 7.0
25.2 ± 6.8
25.6 ± 7.0
= 3.1, = 0.046, = 0.03
PWC170 (W)
205 ± 31
201 ± 42
207 ± 47
205 ± 31
= 0.3, = 0.745, < 0.01
PWC170 (W·kg−1)
2.83 ± 0.48
2.86 ± 0.49
2.85 ± 0.53
2.75 ± 0.39
= 0.8, = 0.439, = 0.01
(W)
816 ± 122
782 ± 112H
825 ± 129
840 ± 115L
= 3.4, = 0.034, = 0.04
(W·kg−1)
11.3 ± 1.0
11.1 ± 0.9
11.4 ± 1.0
11.3 ± 1.0
= 1.2, = 0.313, = 0.01
(W)
618 ± 86
597 ± 88
620 ± 84
637 ± 84
= 2.8, = 0.063, = 0.03
(W·kg−1)
8.54 ± 0.82
8.51 ± 0.83
8.57 ± 0.86
8.52 ± 0.76
= 0.1, = 0.895, < 0.01
FI (%)
45.0 ± 6.9
44.2 ± 5.7
45.9 ± 7.7
44.7 ± 6.8
= 1.0, = 0.381, = 0.01
NK = nutritional knowledge, BMI = body mass index, BF = body fat, FM = fat mass, FFM = fat free mass, SAR = sit-and-reach test, PWC170 = physical working capacity in heart rate 170 bpm, = peak power, = mean power, and FI = fatigue index. Letters H, L, and M when presenting as superscripts denote difference from group with high, low, and moderate nutritional knowledge, respectively.