Table 1. Anthropometric characteristics and maximal exercise performances of children. Data are mean (±SD).
Players Children Control children
test 1 test 2 test 1 test 2
1 2 3 4
Age (yrs) 9.0 (1.0) 11.1 (1.0) 8.9 (1.0) 10.9 (1.1)
Weight (kg) 35.0 (5.2) 2 40.3 (7.5) 1 35 (6) 4 39.9 (9.0) 3
Height (m) 1.43 (.05) 2 1.50 (.07) 1,4 1.44 (.06) 1.47 (.9) 2
BSA (m2) 1.03 (.20) 1.31 (.14) 1.03 (.30) 1.28 (.18)
VO2max (ml·min-1·kg-1) 30.5 (7.6) 2 33.9 (7.6) 1,4 30.9 (7.6) 29.8 (3.1) 2
Heart rate (beats·min-1)
Rest 89 (2) 85 (5) 4 90 (3) 90 (4) 2
75-85%MAP 167 (7) 173 (7) 170 (4) 181 (5)
Max 192 (4) 199 (2) 4 189 (6) 193 (2) 2
Max work load (Watts·kg-1) 3.8 (2.0) 2 3.6 (2.0) 1, 4 3.7 (3.0) 3.4 (1.5) 2
Superscripts denote the significant (p ≤ 0.05) differences among the groups and occasions. MAP = maximal aerobic power, Max = maximal.