Table 4: Mean (X) ± Standard deviation (SD) and p values from comparisonsbetweenpre- and post-intervention fitness values.

Group Formal (n= 19) Playful (n=18) Control (n=16)
Variable Pre Post p Pre Post p Pre Post p
X±SD X±SD X±SD X±SD X±SD X±SD
Curl up (rpm)
Sit and reach (cm)
Handgrip (kg)
V̇O2 peak (ml.kg-1.min-1)		 2.3±4.0
38.6±11.2
34.8±7.5
33.2±5.5		 3.1±3.9
41.7±6.6
33.9±6.3
38.1±7.1		 0.380
0.180
0.240
0.008*		 3.2±5.7
40.1±8.1
32.1±5.4
31.3±9.1		 2.1±2.5
41.7±7.5
32.1±5.4
34.8±9.9		 0.390
0.190
0.900
0.010*		 2.8±3.9
41.0±4.5
31.6±4.2
33.0±5.5		 1.1±1.8
41.0±5.5
33.0±37
33.2±3.9		 0.070
0.940
0.200
0.850

* Indicates statistical significance (p<0.05).