Do Isometrics Build Muscle? (YES IF…) – ATHLEAN-X™

by YouTube Team

Build ripped, athletic muscle using more than just isometrics

Isometric exercises and workouts are one of the most misunderstood training techniques for building muscle. Many believe that you can’t build muscle with isometrics because they have either been told this at the gym, or don’t feel sore the day after doing them. Both of these would be bad reasons to disregard the power of isometrics for helping you to get bigger.

With isometric training, you are able to increase the maximum force generation you can produce during a lift. More than either the eccentric or concentric portion of the lift, the isometric helps you to recruit more motor units into a contraction. Because of this, you can use isometrics to help develop the much needed mind-muscle link or you can simply use it to boost your time under peak tension.

If you use isometrics in your workouts to build muscle you will want to be sure to extend the length of time that you hold them. Too many people cut their isometric exercises and workouts using isometrics far too short to see the most benefit. Aim to hold the exercise for between 45 and 60 seconds if possible.

Now there are two different types of isometric exercises. Both of them can be used to build muscle. There are yielding isometrics which you use to fight the force of gravity. There are overcoming isometrics that force you to try and move an immovable object. I cover both in this video on how to build muscle with isometrics.

If you’ve been wondering, can isometrics build muscle, hopefully you will see just how effective they can be. If you want a complete program that trains you with not just this type of muscle building exercise but others as well, you will want to visit and check out the ATHLEAN-X Training System.

For more videos on isometric workouts and ways to build muscle fast with isometric exercises be sure to subscribe to our channel on youtube at

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35 comments

krejziks September 16, 2020 - 6:33 am

Aren't isometrics good for tricking your brain to use more muscle fibers? Correct me if i'm wrong, and that's why bruce lee was so strong for his weight.

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Mark Austin September 16, 2020 - 9:00 am

6 years later and he still looks fkg amazing

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L. Sonny Zaide September 19, 2020 - 1:36 am

crazy how you somehow looked bigger after those three seconds of isometrics lol i’m sold 👍

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reg profant September 29, 2020 - 7:42 pm

Just look at a gymnast on still rings.

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Pavi Gill September 30, 2020 - 9:13 am

Would you recommend wall sits? Let me know if anyones seen results with wall sits as a 'finisher' at the end of leg sessions

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Subrata Goswami October 28, 2020 - 7:29 am

Jeff is trying to make us comfortable by showing that he cannot lift the selected weight.

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Montana White October 31, 2020 - 4:17 am

Todd Hutchings say they build strength but not size. Is this true.

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Bitcoin National Champion November 1, 2020 - 2:11 am

Isometrics are for winners only

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rezillo November 25, 2020 - 5:33 am

Thanks for a great vid. I would like to mention that isometrics are a God-send to an out-of-shape senior citizen like me, with arthritis in my fingers. They're easy on the joints; you can do them anywhere, any time. You don't really need to "recover" like with free weights, so you can do them every day. At this point in my life, I'm not trying to impress hotties on the beach. I'm just trying to build strength to keep my mobility as long as possible. They make me feel great afterwards, too. I use a few gadgets like the Bullworker and stretch bands, cost: minimal compared to gym membership. I don't think I'll go back to the gym even when the virus is over.

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Jay Goldman December 17, 2020 - 7:26 pm

2:40 the key is holding for 30 to 60 seconds to build muscle according to what he just said

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Kalam Salim December 22, 2020 - 8:55 am

if isometric dont work then many guys will dont have big traps and forearm

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Per Sørlie January 14, 2021 - 1:57 am

I believe isometrics make stronger tendons and their attachments. And this important in developing muscles.

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pyrogian January 15, 2021 - 5:27 pm

do you thin k u gain anything holding a dumbell 90 degrees and curling other arm ? cosi been doing this and wondered if im gonna end up hurting myself .

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E A January 31, 2021 - 8:52 pm

Whoever said you don't get soreness the following day didn't do shit 🤣

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With Mike !!! Cooking Food Mukbang and more!... April 11, 2021 - 9:32 pm

I have long arms and I really couldn't get the bicep size I wanted conventionally but when I started incorporating in isometrics all of my regular curling the growth really managed to change

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With Mike !!! Cooking Food Mukbang and more!... April 11, 2021 - 9:35 pm

Also isometric holds will increase human growth hormone secretion

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Max Zero 1330 April 24, 2021 - 8:26 am

This was so helpful

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Edgar Allan Poe's raven May 28, 2021 - 4:08 pm

Use isometrics for joints with a reduced range of motion

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Lemorice Hill June 4, 2021 - 1:17 pm

I needed this video always wondered it I could build muscle using isometrics been using it for a year now building up strength for handstand push-ups

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Rori Gillmore June 23, 2021 - 7:36 pm

isometric won't make you sore? dude you should try this "5 reps and at the end of 5 reps 30 sec hold, and do that 4 times in an interval

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Issac July 19, 2021 - 12:22 am

Hello. A question please: which one uses less energy: isometric or isotonic exercises? For example, doing as many pull-ups as I can or holding a pull-up position for as long as I can?

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Issac July 19, 2021 - 12:26 am

How long would I need to hold the isometric to increase muscle?

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YT-Verifier July 20, 2021 - 2:26 am

If I do that 1:23 at the gym someone would record me and I end up in a blooper roll on Youtube. I'm not falling for it.

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Granma 1975 August 2, 2021 - 6:26 am

Thanks Jeff, always enhanced tips

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evolgenius August 11, 2021 - 4:10 pm

I keep seeing videos of ppl clowning ppl doing iso excersizes, thinking they're failed ego lifts by someone trying to lift every plate.

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Stewart Taylor August 25, 2021 - 10:33 am

nice abs hahahahahahahahahahahahahaha

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ScycoSnake August 30, 2021 - 9:35 pm

Look at construction workers, farmers, appliance delivery guys arms and traps, they dont get that from repping, they constantly do isometics

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Kyle Phaneuf September 2, 2021 - 4:21 pm

anecdotal comment either agreeing or disagreeing with this video

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jim davis September 20, 2021 - 3:21 am

There is actually 4 types of isometrics – Overcoming , Yielding , Explosive and Quasi . Overcoming and explosive should never be held longer than 10 sec and yielding and quasi can be held for up to 5 min by some athletes .

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jon janus September 20, 2021 - 11:43 pm

How many sets would you do?

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Aaron Ruggles October 7, 2021 - 8:33 pm

Isometrics are killing your gains

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Transatlanticism04 December 6, 2021 - 1:35 am

I've built a far amount of muscle (arms 16inches) with isometrics, you just need to create tension (isometrics does that) and then contract the muscle while under that tension. It doesn't matter whether you lift weight of use your bw, tension is the key to building muscle.

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Janie John Basa December 8, 2021 - 11:12 am

2021 peopLe?
thank you for all the inspiration through the years Jeff 💪

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Mental Matt January 4, 2022 - 10:33 am

It doesnt make you sore because of no ecentric concentric ? Then why am I so sore when I do isometrics?

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ItsJustFitz January 5, 2022 - 5:19 pm

Wanted someone who didn't have a vested interest to explain whether or not the Isochain was legit. Now I'm a believer.

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