When I was a kid in the 70's and 80's kids were more active in all areas. Kids that weren't active were usually fat, but very few were fat. As kids we played sports, climbed trees, ran, jumped could ride our bikes all day without any problem. Kids could do pullups, pushups could run a full sprint of 100 yards without hesitation. But in the early 1980's I was turned on to lifting weights and … [Read more...]