Growth and Motor Dev Test

Maturational period (1930s-1940s) 

-led by Arnold Gesell and myrtle McGraw 

-documented infants process of movement EX. Sit, crawl, stand, walk, run 

-their documentation is critical to what we understand today 

Normative/ descriptive period (1946-1970s) 

-work led to motor devlopment as a separate field of study within phys ed and kin 

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