I can do 650 around 100 times, also I'm a 6'2 linemen just over 250 pounds but it all depends on your body how you can handle it if you have proper form and how much your willing to do.
probably about 110
it really depends on the strength of the kid, but on average its between 60lbs. to 80 lbs.
An eleven year old boy should have 2,300 mg a day
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
you should know.
279 - 280
140
70lbs. About.
a 14 year old boy shouldn't workout too much as his muscles are still forming and growing. Exercises that will help to enlarge the pecks are barbell bench press, incline barbell bench press, decline barbell bench press, and decline dumbbell bench press.
3,000
safely about 25meters
9st