Is it okay for a 13 year old to do P90X?

How much should a 13 year old normally weigh? I dont know if I am over wigth or under wight.

I'm a 13 year old girl and I weigh only 5 and a half stone. Is this alright? I'm definitely small for my age and I have a pro...

What is the averahe weight range for a 13 year old that is 5 '1' and a half? she weighs 116, but im not sure if that is normal?

The other in my class are like 166,160,170.I think that maybe 164 are good in 13 years old.And its good to do situps too.

What is the right weight for a 13 year old girl?

well im 13 but almost 14 and I play basketball and softball so I do have muscel but I don't know if im fat or not. I wiegh ar...

well okay im 13 and weigh about 108 pounds im in a 14 in kids and my size in junior fluxuates I feel fat but people say im sk...

How much should a 13 year old girl weigh ? If she is 5'7 in height

Im 122 5'4 and havent maxed but can bench right now 130?

I dont know weights too much but im half way between the 7 and 8. But im not fat or overweight or chubby . How is my weight? ...