250 lb Bodybuilder vs VO2 Max Test 

Is it getting hot where you live? Our Short Shorts are the best to train in! www.jujimufu.com/shorts 😎😎Thanks for watching guys!!!

This puts the crazy numbers that top endurance athletes were getting in the unlimited epo era into perspective. Bjorn Daehlie supposedly got up above 90. Their blood was sludge but boy could it fit a lot of oxygen!

Thanks for sharing the VO2 max test. Listening to Dr. Galvin talk about how muscle and exercise affects quality of life especially later in life reminded me that this is what most people need to here.

That guy was legit, quietly confident, and really knows his stuff.

It’s been a while (for me) since viewing your channel after my break from RU-vid, but definitely the first channel I always go to and enjoying watching. Also the new merchandise is amazing! ❤

Dude it blows my mind that I've been able to follow your journey online for pretty much 20 years now. Congrats to all your success.

I've combined my cardio and outdoor time in the last two years, and it is immensely gratifying. No matter where I start I just end up in such a positive headspace.

This isba great video, that doc gets a cookie for being such a good sport!

Oh hell yeah another Juji video to listen to on my daily walks. Love you man, you're my greatest inspiration. I've also noticed some heart rate gains since I've started to walk more and going to uni in my bike instead of taking my car. Training for health is as important as training for physique or strenght goals. Thank you for talking about this. ❤

Very good info in here about the reasons behind the different training zones. And yeah, I don't use a heartrate monitor, but I go on hikes while tracking pace and elevation and stuff, and you quickly learn the difference between high zone 2 and low zone 3, mostly from the physical consequences of pushing too hard. Also yeah, the secret drug THEY dont what YOU to KNOW is... exercise, oxygen intake, bloodflow, and co2 output. Not in good enough shape to do the exercise you'd like to do? Go for a walk or a jog until you are, and focus on breathing well the whole time.

Loved this video Jon, thank your old dad for the genetics, you’re right, different paths, you choose strength and I love endurance 👍

I really respect how he wasn't afraid to say he didn't know the answer to some questions and would have to dig into some topics a bit more

Looking forward to this juji

I love the music in your videos, I love your physique, and youre such an inspiration Juji!!

I myself am 255lbs I used to do strongman training and recently I've been going short runs, in the Army at least we call it 60/120's. Its max cardio/sprint for 60 sec and walk for 120 sec. if that's too much break it down to 30/60. Anyways, I've noticed that my cardio stride, tempo, and endurance improved waaaay better than just doing long cardio sessions in zone 2. Also I should add I'm not going past 20 mins doing that neither so its a time saver for better results if you ask me....

Happy 4th of July Juji ❤🎉

💪💪💪💥💥💥 *JUJI!!!!!* Happy 4th bro 🇺🇲🎉

Million dollar man montage segment! Missed an opportunity to photoshop you into a hyperbolic time chamber or one of them healing pods from DBZ 😂

thankyou sir. you are a inspiration. you seriously hgave improved my life. thankyou

Juji this is a long shot, but I’d love to see you collab with Nile Wilson and do some gymnastics stuff. They will be mind blow of how a guy your size can move, and you can show them tricking as well. Putting it out into the universe to one day see it on my feed !

Years ago, I took such a test on an uphill walk test (i.e., a modified Bruce protocol) and scored 47.2 ml/kg.min; about the same as you. On the same week, I ran 18:09 5K (I was 5'8" and 170 lbs. then). I've seen over the last several years how you've improved solidly. About four years ago you ran two miles at about a 10:00 mile pace, and then an 8:00 mile a year or two ago. All the while as you put on more and more muscle! It's possible you could now do a perfect three mile run score (100 points for a 18:00 3 mile run) on a military fitness test.

I wish to do more video's with Devon, I love that type of content what you've done. You and Devon make me to wish to do an arm wrestling. I never had an opportunity to compete on any arm wrestling competition but I wish so much also.

Interesting and impressive. I always liked swimming laps after weight training. It felt like it helped open up my back range of motion.

When they were gearing Juji up there, I couldn't help but think of The Cinco Food Tube commercial. Haha, but don't look that up!

Hell Yeh Juji!!!!!

I love that the guy said “who would have thunk”😂😂

Couple things for the people in the comments. Heart rate is completely individual. Theres no formula to figure out max heart rate, other than to do an individual exercise test. 220-age is NOT accurate whatsoever. Lactate turn points are also individual depending on your fitness. Its not a linear scale. Pro endurance athletes can have the lt1 turn point very close to lt2 turn point. Vo2 max values are based on oxygen uptake and weight. As your weight goes down your value tends to go up. However, as weight goes down so does power. That means your value will also change. Again, its not a linear scale. If he lost 50lbs tomorrow his value wouldn't go to 70. As his blood volume would decrease as well as other oxygen uptake parameters. It would probably be physically impossible for juji to get down to 150lbs in order to score a 75+ vo2 max. It would be nice to see the power numbers to get a clearer picture of potential. Basically you can't backwards calculate ultimate vo2 max by looking at how much weight you could lose. Unless its ALL fat and theres no muscle loss. Top endurance athletes will test in the 60-70+ range with no training and No fitness background. It's largely geneticly determined. A jacked up ryan hall (fastest American marathon runner now weight lifter) will still score extremely high numbers. Even with the added weight. Numbers in the 70+ range are extremely rare. You also don't need a particularly high vo2 max just to run a marathon or cycle 100 miles. There's plenty of marathon runners and cyclists with vo2 maxs in the 50s and lower. You need a high vo2 max to be FAST. The 45+ vo2 juji got is really good for the general public but not great as an endurance athlete. Obviously hes not an endurance athlete so that doesn't really matter. It would be interesting to see how high he could go but that would require some serious weight loss and 10-20hr weeks on a bike or running. I would predict if he got down to 180-190 he'd be in the high 50 to low 60 range with a lot of proper training. Pushing 500watts is not easy even at 190lbs. Let alone 145-160 that you would need in a ramp test in order to score a 75+vo2max. Good luck with your endurance training!

As a firefighter, we have do the same test every 2 years. Its really nice knowing all those markers like vo2max, your bodyfat and hormone levels etc.

Physiological adaptations are also specific to the mode of exercise they normally do. So it's not really weird for a marathon runner to not quite do as well as you would expect on one of those machines. Put them on a treadmill and you'll get results that more resemble what you would expect.

Well done big guy.. 👏

I want to see a Wingate test next!

juji is the big guy that wont gas easy!

Was legitimately looking at your website LAST NIGHT for the workout PJ's! Your original Juji pants are seriously hands down the best fitness pants ever.... INSANELY good quality materials and construction. Looking forward to trying out the PJ's while I read The Invincible Athlete!

Their we go

Cutting weight really boosted my vo2max ridiculously, very little difference in my training but just through diet i went from good to superior in 3 years. (Rowing mainly)

I was totes waiting for coach Greg to pop out of the shadows with an ad

I wonder what Juji's dad's stats are, and what traits he contributed to Juji.

Oskar Svendsen, Cycling score 97.5 vo2max 😳 18 year old from Lillehammer, Norway. The test was conducted in Sept 2012 at the University College of Lillehammer by physiologist Joar Hansen. (from an article on procycling)

Happy 4th of July 🎉

In form im about 71-72 vo2 max former crosscountry skiier, out of shap 60-65. 4x4 intervalls running at incline >5% is the best way to improve your vo2 max

it would be awesome to see you run some races in the future. maybe a marathon lol.

How many watts were you producing

Juji, I still have the coffee beans you sent me years ago I won in some giveaway.... I'm tempted to brew them and see what happens

I want to do one of those tests. I don't trust my watch estimation.

I just measured mine but on the running. I have 192 (6'4'') with 110kgs or around 225. Even though we got a good VO2 unfortunately if we look at weight/watts we will be in disavantage (talking about running, cycling, etc). I got a lot better and went from a shitty VO2 to 45.5 in 2024. Things are a lot better, but there is a long way to go still. I got a Max HR of 189. Now using that with my cardiologist to get better training zones for improvement. Seems to have been paying off lately from 2023 to 2024. Hope to keep the same pace for 2025.

Juji try a marathon 💪🏽💥

Lower intensity stairclimber, biking and walking my doge are great for zone 2

nice viddd

Very interesting, but this video felt like a Sienfeld documentary, with the good doctor being the "low talker".

I love the new JuJi without T JuJi for life

I've always wanted to try this but I have a weird question.... Is it just me or does anyone else also not breath that much¿? Like I could be pedaling full power for a bit but I'm not breathing hard, I just take a deep breath every once in a while. Is that abnormal or am I just weird¿? 🤔

Exercise is my favorite drug 😎

nice video

HELL YEAH MAN. ITS REALLY HOT HERE RIGHT NOW BUT STIL WORKING THROUGH IT

I hate this test lol good work, is say do swimming its full body

Those are some 80s Zubaz looking pants ;)

I found it interesting that you have an absolute value of approx. 5L/min O2 uptake. if you would get back to your childhood weigth of maybe 70kg (total guess 😅) than you would have >70ml/min/kg which would be a good endurance athlete 😃 (like you refered in the vid). for me as a cyclist you are on par on the absolute value, but carrying way to much unnecessary muscle with you 😅 good amateur athlete around 4.5L/min, pro around 6.5L/min what would be super interesting for me would be what was the power you were putting out at the different levels, usually with around 5L you would be in a Ballpark of 400-440w, were you on the same level?

I wonder how sprint swimmers and distance swimmers do

Great 🔥✨

I kinda wish the shorts were a tad longer😅

About how much time on the bike does this test take, in total?

very interesting video 🫁💪

Is there any reason they chose to do this test on the bike? I thought the gold standard for VO2 Max tests was suppose to be a Bruce protocol on a treadmill so I am genuinely curious.

Would be interesting to know how many liters of oxygen you were taking in. That takes the bodyweight factor out of the equation and you compare it to those "elite" endurance athletes. Point is that number doesn't vary all that much (genetic ability), but weight does vary

They sell extensions for those chest straps that thing is clinging on for its life!

What shirt is he wearing at the end? Looks pretty sweet.

Well I’m 32 and I do between 7000 - 11000 steps a day at my workplace, I do bodybuilding naturally and train 4 days per week only anaerobic, sessions are 1hr long and I weigh 93kg with an estimated 15-20% body fat. I have kids and I also study a lot. My heart rate at rest is around 57bpm and my 6 month heart rate range is 40- 185bpm. I would say my aerobic fitness is crap as a 2km fast jog was a killer. My Iwatch SE obviously isn’t that accurate but it estimates I’m at 38 Vo2 max. Not great in comparison to JU Ji but a sign that aerobic training with anaerobic training is possibly the way to go. P.S I’m a heavy caffeine drinker so my new aerobic weekly seshs with reduced caffeine drinks may see big changes

I "faked" my way all through boot camp on anaerobic strenght alone. Lots of high volume weight training prior, and way too little cardio. I had lousy aerobic endurance. When we had to run with gas masks on is where I did best.

This is supe cool but don’t forget higher then about 70 on v02max doesn’t equate much in the hyper performance athletes. There are usually other factors coming into play.

The cardio is what is going to save your life especially with the kitchen sink of "mufujuice" you're using- the cardio is a good thing and to hell with those beefcakes that avoid it... and then get gassed walking 100ft XD

One step closer to be a Superhero Jujimufu

I generally agree with what he was saying but the responder to calorie restriction and the statement at 15:45 does set off my quack alarms a bit. They could be out of context statements but they put me on guard.

Some people excrete the excess lactic acid into their intestine to be recycled. Muscles also work better on low oxygen if you're in a fasted keto state and is how many people are able to climb Everest without an o2 mask. Combining this together might enable people to reach endurance levels that violate the typical expectations here.

Watts the FTP Man 😎, to have so much muscle Im really surprised its that high. Just keeping that much mass alive takes alot of oxygen.

enlarged heart is the reason the heart rate takes longer to rise, i have the same issue

I keep wondering how accurate things like smart watches are at measuring VO2. This test you did seems way more accurate.

wow

Guy listens to one Peter Attia podcast and starts his own clinic.

How can he have such a low heart rate? 154 max and 131 for anaerobic threshold seem super low.

How tall is he

ominous looking mask... enter Darth Mufu!

Wondering how RED S would show in these tests.

how old is that guy?

Interesting how low that is. It really is just one factor of fitness.

As someone who does physicals on many different types of people, many of whom are on Testosterone Replacement Therapy, Juji’s resting heart rate wasn’t great but VERY average with the general population! Most of the dudes on TRT I see are closer to 90-100bpm resting heart rate. Keep up the cardio Juji!

Why does his voice sound like Joe Rohan Ai 😂?

I always thought VO2 Max was just another preworkout.

lol 400m kills me every time

Excellent is top 15%. My best Vo2 was 66.9 and honestly I felt like I was dog shit compared to people I competed against.

Secret drug indeed.

I think I would find it annoying that they are having this calm conversation next to me while I'm gasping for air in that mask. 👿🙈 If you want some really useful data to guide your cardio you might want to look into getting a decent lactate profile done. If you run for cardio I would have liked to do the test on a treadmill, as the results can be sports specific. Your VO2max on a bike and your VO2max on a treadmill might be different. I don't agree with his conclusions about crossfitters vs marathoners, but it would be a wall of text to go into that. 😂😂

131 HR is anaerobic? I'm a little on the fence about that, because the HR zone listed itself on that paper is extremely wide compared to traditional HR zones actually used in aerobic training. It also sounds like he's grouping "threshold" effort with anaerobic effort, because you can hold 85% of your max HR for quite a while and not have it feel anaerobic. I could be wrong, but from what I generally know about HR training, something seems a little off about the interpretation of the results. Nevertheless, pretty cool to see though from you!

HR monitor just doesnt fit with you lats beast lol

I applaud you for this. All the gym bunnies on RU-vid I know avoid this, even the ones who say they do cardio.

I think the trenbolone will also negatively effect the results

Isn't that a really low HR max for that age? How is he supposed to get to 170?

7:25 marathon runners have insane high vO2, and dont forget is genetic, and the test has a limit, when you reach your top, you can continue but your vo2 wont go higher

Ever since that one video with Stefi I figured he was so upset with his cardiovascular health that he decided to fix that and build it up

Juji, bro, find someone that can help you learn to run more efficiently. That could be a good video.

Don't you have to stay seated for the entire test?