How to Get Bigger Forearms (CRAZIEST PUMP EVER!) – ATHLEAN-X™

by YouTube Team

Build ripped arms from your forearms to your shoulders here

If you want to get bigger forearms you have to be willing to endure some discomfort in your forearm workouts. The phrase no pain, no gain may never have been more appropriate. In this forearm workout video, I show you a three exercise combo that you can use to torch your forearms with just a single barbell and no additional weight needed.

This forearm exercise combo was a favorite of future Hall of Famer and perennial all-star major leaguer Carlos Beltran. Carlos is known to have some of the strongest and biggest forearms in the game.

To perform this forearm workout circuit simply grab hold of an Olympic Barbell weighing 45 lbs with both hands. Grip your hands around the bar with either an overhand or underhand grip. If you start with your hands gripped over the bar you will want to spin the bar backwards and rotate it in your hands by extending the wrists and activating the forearm extensors.

Keep alternating the motion in the right forearm and left forearm as you rotate the bar in your hands and build up the burn. See if you can continue this for at least one minute without taking a break and work your way up to 90 seconds if you are able to. Immediately after completing, flip your grip so that you are now holding underneath the bar (as if preparing to do a barbell curl). Repeat the motion this time curling your wrists towards your body and activating the forearm flexors. Rotate the bar for as long as you can until you cannot withstand the burn in your forearms any more.

Finally, complete your forearm workout to get bigger forearms by using a switch grip with one wrist under and one over the bar. The hand that is placed under the bar will act to provide resistance to the hand that is over the bar. Both forearms will be using the forearm flexors but will be doing so in opposite directions. This is an intense variation of the move and one that you will aim to perform for 15 reps on each arm if you can.

If you’re looking for more than just bigger forearms, and instead want to build a complete body that is built, ripped and athletic be sure to head to and get the ATHLEAN-X Training System. Use the same exact program used by today’s top professional athletes to get in the best shape of their careers and perform at their best game in and game out.

For more forearm exercises and workouts to get bigger forearms, be sure to subscribe to our channel here on youtube at

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Leave a Comment

50 comments

Danny Perales August 13, 2019 - 8:42 am

Im not gunna look like im Practicing how to stroke a dick in a fukin gym

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Rock Paint August 31, 2019 - 12:57 pm

Can you do a 6min traps and 6min lats video? You’ve helped me so much so far!!! I lost over 100lbs of fat thanks to you

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Cpt1_Campion September 4, 2019 - 8:57 am

is it weird that i like forearms more than biceps

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*-YOUR and YOU'RE are 2 different words-* September 24, 2019 - 5:55 pm

What if I have 22kg on the bar including the bar!

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JD-The Master September 25, 2019 - 12:40 pm

I just did it for almost 15 mins with small rest in between , trust me it when I just touched my forearms with my fingers afterwards , it was f**king strong & hard . Really worked great , in fact I never expected it to be .

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Tom Col November 4, 2019 - 12:22 am

This is honestly such a power move! Glad i found this video

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Zetsuke4 November 7, 2019 - 7:04 pm

Nice

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Whatisjose November 8, 2019 - 3:24 pm

Gonna try this out I have some scrawnyass forearms… if you see this comment is 1month+ old feel free to reply to it (hopefully I keep it up for a month atleast) or hmu on my ig it's the same as my name here to ask if it works 👀

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Lone Lobo November 24, 2019 - 4:57 pm

Carlos Beltran is now the manager of the New York Mets for the start of the 2020 season. 😅

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Yunus Demir November 27, 2019 - 7:06 pm

This is the Best exercises I saw u can see the resulta İn 1 week thx Jeff

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Wide Austria painter walks but he gets shot December 26, 2019 - 3:06 pm

Can you do this everyday or do you need a solid day rest

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Sed277 February 21, 2020 - 7:13 pm

This is brutal, never have my forearms felt this heavy

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John Hertenstein February 23, 2020 - 6:11 pm

your forearms look small

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Ed27 April 10, 2020 - 2:15 am

Even 4 years ago you where great

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Mr. Salt April 10, 2020 - 11:44 am

Is there a way to do this with dumbbells?

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Kou and Tin April 16, 2020 - 5:55 am

The best is the wrist roller. 100%

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Conor Condon May 15, 2020 - 2:40 pm

Is this good for getting your grip stronger

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Laba Kumar June 5, 2020 - 3:45 pm

Dude it's a dream for me to gain a body like u

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Jason Taylor June 7, 2020 - 5:29 pm

I do this workout every morning, my left forearm is huge, the right not so much

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Ramko Zhuban June 24, 2020 - 11:26 pm

Thank you for the explanation and demonstration. Very rarely do we get these short and direct videos without them dragging it on. I just want a quick explanation so i can continue my training, I get the whole YouTube algorithms but still

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Vidit Suryavanshi August 4, 2020 - 5:01 pm

It actually worked. Drastic results in 10 days!!

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radial77 August 13, 2020 - 5:10 pm

Now I have a second purpose for my 5ft piece of pipe that also serves as a breaker bar

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plasma master August 24, 2020 - 10:11 am

I think for the first time ever I have done this and seen my forearms swell up. Not rly seen that on any other muscle but rly see it now. Superb stuff!!

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David September 1, 2020 - 7:00 am

The best forearm exercise is trying to write an essay in an exam😆

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Eric I September 18, 2020 - 6:23 am

Amazing. I did a variation of this with a resistance band for the last month and I can see the results. You do it until failure everyday and you will see results.

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Matt ws September 27, 2020 - 10:11 pm

So do you actually rotate the bar?

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Evan Massimino September 30, 2020 - 1:05 am

That is the loudest intro ever…

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Atul kumar October 12, 2020 - 7:36 pm

Intellectual video

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Mahmoud Mohamed November 11, 2020 - 9:19 am

How many sets and reps

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marxista estalinista December 14, 2020 - 5:41 am

Son excelentes

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Paraminator January 5, 2021 - 11:52 pm

THE BEST THING EVER

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hamza 478 January 16, 2021 - 4:56 pm

should i rotate the bar while doing it ?

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Luki H January 29, 2021 - 8:03 pm

even the bicep vids, no other person on the interent explains the effect on each part of the arm, and how to specifically improve them. love your vids man they helped me so much

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Dillon February 8, 2021 - 9:03 pm

Thank you so much for this video! Saved my life

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Keveon Gomera February 10, 2021 - 9:42 pm

500 dislikes don't want #popeyeforearms

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Darren Chee March 16, 2021 - 10:43 am

Could we add weight to the bar to make this harder once we get comfortable with an empty bar?

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marxista estalinista April 2, 2021 - 11:16 pm

Ahora me dio epicondilio

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marxista estalinista April 7, 2021 - 1:59 am

Es excelente pero ya me dolió el epicondilio

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marxista estalinista April 13, 2021 - 8:09 pm

Muy bueno

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rex ben April 20, 2021 - 6:48 pm Reply
K K May 2, 2021 - 9:24 pm

I’ve been training my forearms for about 6-7 months now. My inside of the forearm (flexors) won’t grow. The rest of the forearm is okay now. I was really skinny so didn’t have any muscle there already, almost can’t see the muscles in the flexors. Can anyone give some tips? I’m so insecure about them.

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BWood12 _ July 4, 2021 - 8:27 pm

Forearms and veins finna be looking good asf

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Radovan Uhler July 16, 2021 - 9:22 am

now I have blisters on my palms, i can not wank any more myself 😀

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Brandon Felipe July 17, 2021 - 4:20 am

Could this be more effective if I add some weights to it

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Sofia yaqui fidelista Juche maoísta marxista August 24, 2021 - 7:44 am

Son excelentes

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Lenin 🖤🔥 August 24, 2021 - 5:01 pm

💚♥️💗💝💕💞💓💛😙😚🤗💌💪💪💘🖤🖤🖤👏😻❣️👍😍🆗😘❤️😀💯😌💖💖💜💜▪️▪️👌👌💟💟😽

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Lenin 🖤🔥 August 28, 2021 - 6:25 am

❣️❣️💓💓♥️♥️♥️💞💜💜💜❤️🖤🖤💖🖤🖤💖💖💚💚💚💕💕💙💙💙💗💗💟💟💟💝▪️▪️

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WuDDuP 1111 October 6, 2021 - 1:20 pm

I just use a wrist roller same thing.

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polonium October 13, 2021 - 8:04 am

i wanna appear strong in school lol

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Simon Romero November 5, 2021 - 12:03 pm

How many times should I do this circuit per day? 1 or 2 or?

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