He can stay there as long as he wants to stay there. He may enjoy the same for some time.
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.
In any Owners Manual, regarding children, close supervision is required. So, in answer to the question, yes the treadmill should be safe for a 13 year old to use, as long as they are not alone.
=yes.=
a exercise bike or a treadmill
Research has shown that the proper incline for a 25 year old female will vary depending on the specific treadmill. The incline stipulations vary from 10 to 15 percent for most treadmills.
if he likes it there he will stay a year or more but if he don't like it there he won't stay for long!!
About a year
There is not a huge difference in the prices of a new and used treadmill if you look to purchase a treadmill that has only been used for a short period of time such as a year or less. After a treadmill has been used for more than a year, it is considerably cheaper than purchasing a new treadmill due to the fact that the motors in the treadmill only have a limited life span.
1 year
1 year
1 year