im 14 ur 15 k not to many people have a lot of power behind clean punches at our age speed can help soon stength will come just dolight work outs stay lean and not to bulky and soon u will be able to punch very hard and hit heavy bags with a trainer. Get low and have explosive power from ur legs
Mike Tyson was knocking out grown men at the age of 12, and bench pressing well over 200 pounds. Everybody is different
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