Table 1. Physical qualities of the semi-professional rugby league players.

Age (yr)	24.6 ± 2.7
Body Mass (kg)	100.0 ± 11.4
Speed
10 m Sprint (s)	1.83 ± 0.04
40 m Sprint (s)	5.49 ± 0.18
Absolute Strength
4RM Bench Press (kg)	126.7 ± 15.3
4RM Chin-Up (kg)	27.1 ± 9.9
4RM Squat (kg)	171.3 ± 16.4
Relative Strength
4RM Bench Press (kg.-1.kg-1)	1.21 ± 0.12
4RM Chin-Up (kg.-1.kg-1)	0.30 ± 0.09
4RM Squat (kg.-1.kg-1)	1.68 ± 0.15
Upper-Body Muscular Endurance
Maximum Repetition Chin-Up (no.)	14.0 ± 5.9
Maximum Repetition Dips (no.)	22.3 ± 6.5
Maximal Aerobic Power
Estimated $\dot{\text{V}}{\text{O}}_2$ max (ml.kg.-1.min-1)	52.1 ± 3.0

Data are mean ± SD. $\dot{\text{V}}{\text{O}}_2$ max = maximal aerobic power. RM = repetition maximum.