Table 3.
Total energy and macronutrient intake between youth tennis players (U12, U14, U16+) on training and competition days, expressed as absolute and relative values.
| U12 | U14 | U16+ | ||||
|---|---|---|---|---|---|---|
| TD | CD | TD | CD | TD | CD | |
| Absolute Energy (kcal) | 1965 ± 317 | 2002 ± 301 | 2366 ± 122 | 2224 ± 283 | 2232 ± 612 | 2152 ± 807 |
| Relative Energy (kcal·kg-1) | 41 ± 10 | 42 ± 7 | 45 ± 7 | 42 ± 9 | 33 ± 10 | 32 ± 13 |
| Total CHO (g) | 220 ± 56 | 236 ± 43 | 270 ± 59 | 257 ± 62 | 255 ± 46 | 260± 103 |
| Relative CHO (g·kg-1) | 4.6 ± 1.5 | 5.0 ± 1.7 | 5.2 ± 1.7 | 5.0 ± 1.7 | 3.7 ± 0.9 | 3.8 ± 1.6 |
| Total Protein (g) | 105 ± 21 | 97 ± 10 | 120 ± 33 | 105 ± 25 | 117 ± 45 | 93 ± 40 |
| Relative Protein (g·kg-1) | 2.2 ± 0.4 | 2.1 ± 0.6* | 2.2 ± 0.5 | 2.0 ± 0.6* | 1.7 ± 0.7 | 1.2 ± 0.8* |
| Total Fat (g) | 73 ± 11 | 74 ± 20 | 91 ± 9 | 86 ± 16 | 75 ± 28 | 62 ± 21 |
| Relative Fat (g·kg-1) | 1.5 ± 0.4 | 1.5 ± 0.3 | 1.7 ± 0.2 | 1.6 ± 0.3 | 1.1 ± 0.4 | 0.9 ± 0.3 |
Values reported as means ± SD. TD = training day; CD = competition day.
* denotes significant main effect between TD & CD intakes (p<0.05).