id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ak-305		ak-305		13	.pdf	application/pdf	5518	358	58	Physical Activity Across the Curriculum (PAAC): A randomized controlled trial to promote physical activity and diminish overweight and obesity in elementary school children. With an accelerometer we measured the amount and intensity of physical activity and the time of physical inactiv- ity during school hours and, particularly, during mathematics lessons.	cache/ak-305.pdf	txt/ak-305.txt