30
You should be around 2200 - 2500 rpms.
it depends on your height and weight. -E
You should aim for less than 30% of all calories to be from fat.
13 year-olds should have about 34 g protein each day, and 14 to 18 year-olds, about 46 g
Is there any evidence that 16-year-olds are less responsible than 18-year-olds?
there aren't very many that are apropriatte for 5-year-olds, so you should try getting them a handheld called a leapster.
Yes they should
I am 13 and I use a treadmill about every day!! It helps me stay in shape and feel better about myself. It could help many 13 year olds self esteem to use a treadmill to get in shape. Too many kids out there are obese because they do not eat healthy or exercise. 13 year olds should definitely use treadmills.
I think you mean 12 YEAR olds, and I don't think they should... It's really dangerous
no
How many olds delmont 88 where made in 1968