Table 1. Subject characteristics at the start of the 7-week period. Data are means (±SD).
Variable Control (n=15) G30 (n=13) G60 (n=14) G120 (n=12)
Pubic hair Tanner stage 2.4 (1.0) 2.2 (1.0) 2.3 (1.1) 2.3 (1.2)
Genital Tanner stage 2.2 (0.6) 2.4 (0.8) 2.2 (0.6) 2.3 (0.9)
Age (y) 10.1 (2.0) 10.4 (2.0) 10.4 (2.3) 10.3 (2.3)
Height (m) 1.43 (.10) 1.41 (.10) 1.41 (.10) 1.42 (.10)
Body mass (kg) 39.0 (9.3) 37.0 (7.0) 37.2 (6.1) 38.0 (10.0)
Soccer experience (y) 3.4 (1.6) 3.1 (1.9) 3.6 (1.5) 3.0 (1.3)
Session rating of perceived exertion (AU) 369 (180) 328 (201) 343 (166) 378 (159)
G30, G60, and G120: 30 s, 60 s, and 120 s rest interval groups, respectively.