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Old 03-08-2013, 08:45 AM   #41
Join Date: Jan 2013
Posts: 25
vCash: 500
Default Re: Shadowboxing with dumbells

I find it helps with the endurance of my shoulder. High volume punching could probably erode your form as you tire as easily as high weight gloves or dumbells? As for power and speed - nyeh, I can't really see that, for the same reasons as virus and dealt_with stated.
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