The differences in sit and reach flexibility scores among boys and girls aged 3 through 8 yr. were investigated. Analysis indicated that the sit and reach flexibility test was a reliable measure across trials and sessions for the 300 subjects. Analysis of variance indicated the 3- to 4-yr.-old subjects were significantly more flexible than subjects aged 5 to 8 yr. Also, girls were significantly more flexible than boys across the three age groups. These findings remained significant even when leg/torso and arm/torso ratios served as covariates.
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