Is The Sumo Deadlift Cheating? (Response To CBum)

Is it?

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In this video I'm covering the most common arguments for why the sumo deadlift is cheating and seeing if they hold up against the scientific evidence. People will often point to range of motion as the main reason for why conventional is superior. We will also look at what the science says about the biomechanical and muscle activation differences between conventional and sumo and look at some powerlifting examples from IPF Worlds.

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Sources:

Sources:

IPF Rulebook:

Powerlifting Data:

ROM:

Biomechanics:

EMG Research:

Filmed by Jeff Nippard, Big 3 Media & Omar Isuf
Edited by Jeff Nippard using Final Cut Pro

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About me: I'm a Canadian natural pro bodybuilder and internationally-qualified powerlifter with a BSc in biochemistry/chemistry and a passion for science. I've been training for 12 years drug-free. I'm 5'5 and fluctuate between 160 lbs (lean) and 180 lbs (bulked).

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Disclaimers: Jeff Nippard is not a doctor or a medical professional. Always consult a physician before starting any exercise program. Use of this information is strictly at your own risk. Jeff Nippard will not assume any liability for direct or indirect losses or damages that may result from the use of information contained in this video including but not limited to economic loss, injury, illness or death.

For Chris Bumstead's Lawyer: Yes, Cbum is still in my basement. I'm sure we can work this out. Call me.

[ChrisBumstead]

2:42 "Why would the majority of lifters choose not to use it?"
Well because it's cheating... duh

[BackGuy]

Never before have I ever seen or heard something as menacing as Jeff whistling the Harry Potter theme

[austenlawson]

Jeff no longer makes fitness “videos”. He has now transcended to fitness cinema. Proud of you, Jeff.

[chibiraptor]

The random tall guy should start a YouTube channel imo

[OmarIsuf]

Something tells me Chris is gonna look really catabolic this year at the Olympia…

[TheChosenOne]

That intro made me laugh WAY harder than it should have 😂

We need more Evil Jeff

[omgurheadsgone]

Lmao at the Will Tenny random tall guy cameo at the gym.

[mdmjeremiah]

"Some random tall guy." Your delivery on this is comedy gold.

[chrisbermudez]

In not even going to lie, your comparisons of a short grip bench and short grip lat pulldown made PERFECT sense when compared to conventional vs sumo. I really never thought of it in that way, damn good work as always Jeff!

[Jayaldrich]

This is interesting because I'm 6'1. I noticed when I pull sumo, I actually get better glute activation. Which makes sense when you compared the knee range of motion, and how sumo is similar to full squat, and conventional is better compared to half squat. This difference is why I alternate sumo and conventional every other week. Even though the EMG results say there's no difference. I def feel the difference in my post workout soreness.

[AlphaRabbbit]

An important factor that most people don't consider, that I'm glad you pointed out, is the variance in biomechanics from person to person. Sumo can be more of a "squat" for some people.

[tam]

Jeff and Will in the same video is something that I didn’t expect but I’m glad it happened.👌🏽👌🏽

[mrdereksutton]

I think this is my favorite video you've ever done, the comedy was on point lol. Definitely do more videos with Will...I mean the random stranger

[mohammedbarakat]

Jeff is the science geek of the fitness community

[dandy]

More content like this, hilarious AND presenting the facts. You’re the best Jeff!

[tookiejones]

That walk over to the computer, with the whistle... Nailed that! lol

[roty]

I’m 6’4” with long femurs. Traditional deadlifts suck for me, so I primarily do sumo. I also have a weaker lower back (something I’m working on), so the sumo deadlift helps me strengthen my legs more before my back fatigues. Just do what works best for your body, and stay in your lane.

[TheRealGuywithoutaMustache]

Poor Cbum, saying sumo is cheating was the equivalent to hurting John Wick’s dog

[Viking_Raven]

From now on I'll exclusively refer to Will as a "Random tall guy" everywhere.

[Protecterofnyc]

Let’s all take a moment to process Jeff has a “life sized” cut out of Cbum

Que Dexter laboratory and Einstein scene