what are the average measurements for the sit and reach, arm lift and knee to chest physical flexibility tests?

I am from the future so this is not a answer

1. sit-and-reach29 Initial Measurement (cm)31 Current (cm)

2. arm lift 15 Initial Measurement (cm)  21 Current (cm)

3. knee-to-chest  2 Initial Measurement (cm)2 Current (cm)

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