15 julio 2015
A new study provides a snapshot of health-related physical fitness levels for US schoolchildren in grades first through 12th. Researchers analyzing data collected nationally through the NFL PLAY 60 FITNESSGRAM Partnership Project found that fitness levels sharply declined as students got older.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/11Zr9BgJopM» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/11Zr9BgJopM/150715122530.htm
