[Cut Me Mick]

Originally Posted by dealt_with

I don't know what you read but it sounds like the information from an internet blog boxing 'expert'. What you're saying doesn't make any sense anatomically or biomechanically. The whole body adds power and speed through the kinetic chain, having lean arms or not makes no difference to anything, they are light relatively speaking and the difference in weight between a slightly bulkier arm and a lean arm would be insignificant. It's the last link of the chain so you don't have to put in any effort to overcome the weight of your arm if you're punching anywhere near correctly.

Who the hell are you?