Lifting light weight with high intensity can stunt growth in children if used too early.
No. It is a myth.
Excessive weight lifting and working out can cause growth deficiencies in adolescents, yes. However working out in moderation is fine and can help muscle and growth development.
not necessarily
Failure is the point at which a muscle is no longer able to perform the work demanded. If a muscle is capable of lifting 100 lbs, 10 times, it is said to fail at that weight after 10 reps.
Weight lifting will promote muscle growth, while not using up that many calories. It can certainly make you put on weight.
Yes it does. If you are younger than 17 then your growth may decrees.
Appositional
There is no evidence that weight lifting stunts growth. In fact, bones can become stronger from the exercise. Science has proved that weight training will not stunt your growth even if you start at as young as 10 years old. The real danger is if your not supervised and have bad form injuries may occur.
No, this is a myth. The idea is that the ends of the bone are still growing, so it could stunt growth if you break a bone. But this is undocumented, and there are too many benefits to lifting to neglect.
No, boxing is not weight lifting
No, lifting will not stunt your growth as the myth grows. But at such a young age you need supervision, and make sure you do it correctly. There are many benefits of weight training, even at this age.
There is no scientific evidence that lifting weights can reduce your growth rate.