At what age does excercise begin to result in strength in boys and girls?
living life a health life - Ms. Sue, Wednesday, June 27, 2012 at 10:48pm
I know a boy who was in an orphanage in a developing country until he was 6 months old. His neck muscles were weak probably because he hadn't had the freedom to crawl around; he was confined to a crib. Within a few weeks in an American home, his neck muscles strengthened.
living life a health life - Anonymous, Saturday, October 6, 2012 at 7:10pm
this is the wrong answer it's not at birth