i was wondering if the forarm should be trained for a harder punch. im looking for arguments againts this.

seeing as power = mass * speed. if you put more mass on the forarms, it should reasonably increase the punch psi?

Strength building can help with punching power. But more important is developing body weight transfer, core integration and proper joint alignment. Without these factors, all that extra muscle will fail to make it to impact.

There really is no 'one thing to work on'. You have to work on it ALL.

What???????? Are you being serious?

The arm, and by extension forearm, has minimal impact (pardon the expression) on the power generated during a punch.

Power is generated through explosive rotation of the legs/core/shoulder, transferred through the arm.
Speed x Mass does equal Force. But how on earth do you think forearm muscles are going to generate any sort of power? What explosive movement are those small muscles going to generate? What possible speed are they going create? In your scenario, having big forearms but weak legs, core, back and shoulders, would mean your equation would look like: Barely any speed x small mass developed in one of the smallest muscle groups of the body = pathethic power.

Bearing that in mind, even with stronger, bigger forearms, in proportion to your body won't help your power.

I have read your other thread here, and I know you are a newbie, but you need to get out of your head that having big arms will help you be a powerful puncher.


I am going to say this once more: Go find yourself a decent boxing coach. If you are serious about learning to punch, and truely want to learn about "the art of punching" you need to find a good coach to a) develop your punching capability and b) stop yourself from getting injured when trying to punch.

i know those things.. bleh, its not really what i ment.

i was posting here for input.
im not trying to punch with my forearm.. nor am i just trying to delvelope my forearms...

i have pretty good power behind my punches, so ive been told by a pro that i sparred. i was just sorta asking lets say i added some muscle to the forarms, it should increase the impact. right?

i was just curious if forarms acutally play a important part in boxing and if they should be developed too...

ugh i sorta fail see how adding mass to the equasion dosen't help...

so basicly forearms aren't important in the psi of someones punch? -.-

If you want more power to the punch by muscle mass, here are the areas to train;

Deltoids - shoulders twist when they deliver the punch
Abs - they have a small part in all type of movement. Strong core will help you.
Back - The back has some part, I guess.
Tricep - Is the muscle that moves the fist forward, not the bicep. Big bicep is like a brake.

But! The best thing is to rely on mechanic and precision, not power of the muscle. A good cross delivered from anyone has KO power, well, except MattJ cuz he slaps.

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so basicly forearms aren't important in the psi of someones punch?

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Because the forearm doesn't do much work in delivering a punch.

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ugh i sorta fail see how adding mass to the equasion dosen't help

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I've been training the forearm for quite a while, and even though they're harder they haven't added much mass and doesn't contribute much to heavier punch. But my shoulders and triceps have increased a bit in size, but this "a bit" is quite a lot more than the forearms ever can grow. Thus more mass into the equation.

The key to good power is velocity. If you're able to develop your muscle to increase velocity, you'll have KO power. And the mass you're transfering isn't your arm weight, it's your body weight. A punch is basically, your body weight transfered at a high velocity towards your target. That's how some people can punch up 200kg. Meh, my cross can only punch upto 135kg, sometimes 150kg so I suck.

-Taison out

I think what he is trying to say/ask is that he is wondering if the more weight/mass he has on his forearm the more momentum his punch will have. He's not asking about strength per-say but just the extra weight on his arm in general.

I would think it wouldn't have that much of an impact difference since it's really not that much weight. I mean think about how much the forearm probably weighs. If you were to put a pound of muscle on just one of your forearms it would so much bigger.

Like everyone else here is saying, if you're worried about punching power just concentrate on strengthening the necessary areas.

ah ok, thanks guys, verry nice replies!
i guess i'll put some extra work on the triceps.

im just some annoying noob and still you guys are all so friendly. i love this forum.


hey, one more question prolly directed towards taison, since you know your punch. if i wanted to mesure my punch, how would i go abouts doing this? is it some machine?