Table 1. Descriptive data.

Data are expressed by mean ± SD.

Group	N	Age (yr)	Body Mass (kg)	Height (m)	Fat Mass (%)	Lean Muscle Mass (%)
Total	25	21.7 ± 1.7	71.5 ± 7.7	174.7 ± 5.8	12.6 ± 4.8	44.1 ± 4.0
OP	9	20.8 ± 1.7	71.7 ± 7.4	172.5 ± 6.2	11.8 ± 2.8	44.2 ± 3.6
TT	10	22.2 ± 1.6	74.2 ± 8.0	177.5 ± 5.6	14.5 ± 7.0	42.0 ± 4.5
CG	6	21.9 ± 1.5	68.5 ± 7.3	173.8 ± 5.1	11.4 ± 3.3	46.2 ± 3.1

Abbreviations: OP = optimum power group; TT = traditional training group; CG = control group.