6st 11 also it depends what thickness your child is
its a little underweight they should be like 95lb.
Weightlifting won't do much for an 11 year old, but it wouldn't hurt. You won't be able to bulk up until 14-18.
90 pounds = 6st 6lb
yes
i think you are a little bit underweight but it all depends on your height
depending on your height that can be extremely underweight! if you are 5'0 lets say that is extremely underweight but if you are 4'5 that is ok.
you are underweight
42 stone = 266.71 kilograms.
when they are at least 10lbs under 84lbs
41kgs is 6st 6lbs
No, its underweight..