Can someone WITH knowledge tell me the role the biceps play in throwing a punch. And if weight training for biceps could be usefull?
They are involved in throwing hooks and uppercuts NOT in straight punches. hence why boxers have torn there biceps in fights. Fact is they are involved in a hook a l ot more than you think. p.s People are delusional who think the arms are not involved in punching, although the power mainly comes from legs and core.
[ame]http://www.youtube.com/watch?v=W81gPJ-6cvU&feature=related[/ame] go to 1:30 of the video David haye - "you want your Bicep in the hook"
Biceps drive your forearm from an extended to a closed position. So, you need them for hooks & uppercuts, to "lock" your arm. You only need them to pull back your arm when throwing straight punches. The opposite movement, moving the forearm from a closed to an extended state is where you use the triceps, which is what you need for straight punches. In the end, you use a plethora of muscles for a single punch. Bicep exercises train your ability to slowly lift weight. Padwork, sparring and bagwork trains you at throwing punches, and becoming more powerful at it.
So you're saying lifting weights to improve strength in the biceps is pointless? That doesn't make sense if another one of your points is the biceps "lock your arm". If certain muscle lock your arm you don't see the advantages of those muscles being very strong from lifting weights? BTW, if you're lifting slowly you're lifting wrong.
"pulling" muscles like the back and biceps are useful in retracting straight shots. IE you push/extend the right hand, and you need muscles to pull the right fast and explosive back to guard. But to TRAIN these, it does not mean a bodybuilder-type program of barbell and dumbell curls.
A low to moderate amount of weight exercise can be good I guess. Some pro's do it - some don't. My personal experience is that I got all my explosiveness and power from doing boxing exercises. Although now that I think of it, I also did light-weight exercises, mostly for speed. 3 kg dumbells. Not sure if it was effective or a placebo. Extensive strength training makes you much stronger.. but a harder hitter? Maybe marginally. At any rate, if you want to increase strength, then why limit yourself to the biceps? The back/lats/triceps/quads are at least as important.
I wouldn't isolate particular muscles unless there's a good reason to do so. Weighted chin-ups and pull-ups are your friend.
this is flawed as a 6000 lb object moving at 1 mph is going to push you over where as a 1 lb object moving at 6000 mph is going to kill you. the equation for power force ect dont factor in the elasticity of the object being impacted.