Math Guy Breaks Down How Much Strength You Need To Achieve the Human Flag

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Check out the video to see the in-depth math/physics breakdown of the human flag!
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Опубликовано:

28 сен 2024

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Комментарии : 305

@BrandonUlloa198 2 года назад

As a physics student, I'm LOVING these math breakdown videos. Very much appreciated 👍

@teapot3537 2 года назад

Loving this new direction for your channel! Breaking down calisthenics moves from a math / physics perspective is something I haven't seen much of on youtube, but is soo useful in terms of understanding the strength requirements for different moves where other channels will just say "if you can do 10 pull ups and 10 dips you're probably strong enough" - and super well explained so we don't all need to be math geniuses! You have earned my subscription 🥳

@SomethingSordid Год назад

Strong enough for what

@SuperSeamus 2 года назад

Lol chad calculates exercise

@Wolfflybynature 2 года назад

hahahahahahahaha

@GeekClimber 2 года назад

I thought I look like the complete opposite of a stereotypical "chad" 😆. Jokes aside, it's better to understand what you are getting yourself into before starting learning a move.

@aq1q 2 года назад

He's no chad...

@Victor-sk8dj 2 года назад

Yes, he is

@bullymaguire9389 2 года назад

@@aq1q he is

@vilo159 Год назад

This was great! The one physics aspect that wasn't touched on is the strength required by your obliques to counter the torque created by your legs around your center of gravity. But I can't do a human flag and I'm not training or one, so I can't say from experience whether this would even be an issue.

@1AmTheStig Год назад

Also the difference in your center of gravity due to having heavier/lighter legs relative to arms. I'm not heavy but I have a 'cyclist build', having much larger legs relatively speaking.

@jameslape8656 Год назад

I have both the push and pull strength to do it but I cant becouce of my obliques at least that's what I think it is.

@TheAncientColossus Год назад

@@1AmTheStigPay attention in class kid. He accounted for all the bullcrap you just said at 2:47. 😂

@jonkrause6714 2 года назад

So awesome. Math is complex, but well explained. 👍 Like the simplicity of functional exercise. Most definitely going to try this one. 🙏

@GeekClimber 2 года назад

Can't wait to see your human flag, Jon! Don't wait till the full human flag, post it when you have the straddle human flag!

@jonkrause6714 2 года назад

@@GeekClimber Yes, sir, Coach. 🤘

@Nerf89 Год назад

would be a perfect educational example for first semester technical mechanics classes in engineering studies

@andersarvidsson3926 Год назад

This is a great math breakdown! Finding out one's actual relative strength needed is great for all exercises and something I've been trying to figure out for a long time. Awesome contribution to the exercise science! The next level of instructions/calculations are to calculate the stabilizing strength of the core/obliques counter the torque and keep your legs up. Would be great to have that quantified as well.

@steadfasman Год назад

your content deserves straight up like 2M+ views, u will get there mate.

@Ralfester Год назад

The sudden demonstration of the human flag while being a chad math/physics guy is absolutely amazing

@xNoryoku Год назад

Very interesting video. I have already unlocked this movement but still found your video to be both entertaining and informative. Keep up the good work!

@wadball Год назад

2:40 LOL that took me by surprise, that's lit

@chinnudanturi9730 2 года назад

This guy is just amazing. He is a person I look up to. A genius yet so strong truly a scholar, a chad, an adonis. Love your videos man

@antzxy671 2 года назад

I can do wall assisted 1arm handstand and can hang with 1arm but I cant hold a straddle flag,I know the technique and im 190cm tall. Best i can do is a bit low halflay flag. Also i love your content keep it up 😁

@GeekClimber 2 года назад

In order to make the strength requirement go over 1x, I had to add 20 lbs to my legs, and shrink my shoulders by 5 cm. If calisthenics is your sport, chances should be pretty high that you didn't focus on training your legs, and it's hard for me to imagine someone having a drastically narrower shoulder than me. If you can do a DEXA scan, I would be able to diagnose better haha. Feel free to DM me your human flag attempts on Instagram as well, I can double-check if you are getting the technique right.

@antzxy671 2 года назад

@@GeekClimber I will record my attempt next time and Ill send it over,thanks. I think my technique is correct bcs i can do a full flag with a thin band.

@raziel8799 7 месяцев назад

Same problem right now. Watched the video, 1 arm handstand easily 10-15 sec, 1 arm hang even longer, but I don't have the pushing strength when I'm trying to the human flag. Although I come bro bodybuilding and just tried this for fun, so maybe my technique is really bad.

@doomertube7050 Год назад

Im just an amateur meathead and calisthenic athlete with similar allometry to yours, these breakdowns are so educational and well done. Keep up the great work!

@ratatacks Год назад

I think your training is missing force from your lats, and i think your training for the front lever helped you more than you realize on the human flag. I can do both things you mentioned pretty easily, but I don't have lat strength, so human flag is still hard for me

@grantnorman1854 2 года назад

Awesome analysis!!! Much appreciated. The assumption that muscle force generation is constant is probably the most questionable point. For compound movements, (wrist, elbow, and shoulder), a lot can change! It likely won't change the optimal angle more than we can reasonably measure though!

@aaronperez9518 11 месяцев назад

Brother just earned a subscriber, seen two videos and I already love this dude

@lathamorama Год назад

I used to do a nice human flag at a variety of arm angles (including almost parallel), but that was years ago. I tried doing it again, now in my 50s, and the strain is not in my shoulders, but across my rib cage and other parts of my torso. That is, my core strength seems to have failed rather than the pushing and pulling that my arms can do.

@floridaman6982 Год назад

“Congratulations!” Lol instant subscribe

@sscswimmer1 Год назад

Assuming similar body composition, wouldn't a taller person have a harder time holding their legs up? Isn't there torque from the shoulders to the feet that you need your obliques and glutes to hold up? That would push your center of gravity and your moment arm further out, especially since most of a person's height is determined by their legs. I think glossing over the job of the core and lower body is a slight mistake because most somewhat fit people can likely already meet the requirements for push and pull strength but still can't do it.

@feilox Год назад

omg why ain't I sub to you. I love your videos. Esp all the ones u done in the past.

@IrocZIV Год назад

Tore some thing in my arm attempting to do one (part of my bicep), heard the ripping noise really well, since my arm was close to my ear. Instantly was nauseated from the trauma. I think the big issue that caused the damage is that I jumped to get into position, so the force on my arm would be even greater than if it was just static.

@barrycavin Год назад

I'm subscribing because of this content. More like this please.

@yurkiyurki3791 2 года назад

Awesome video really helped a lot

@gerardmerced4394 2 года назад

Mans really drew a free body diagram and wrote out the equations of motion LOL

@hooglyboogly4888 8 месяцев назад

I can’t express my appreciation 😊

@CaneSugarHD 2 года назад

I find in practicing this, my lower (pushing) arm does the most work but that might only be so because my lats are developed and my delts are not. One factor that's overlooked that you won't train with handstands is the force required to keep your body straight, you still need oblique and glute strength to keep the lower body from sagging to the ground. I actually pulled my glute pretty bad the first time I tried this movement.

@mikehoncho2640 2 года назад

More calves more chavs

@vfauni5764 Год назад

You are stupid

@MatteoBaldi Год назад

As an engineering student this video was extremely interesting

@icewizard5835 2 года назад

A math video on the planche/tuck planche please

@groodsspeed7685 5 месяцев назад

I think this is the first time someone has wanted to apologize for only using logic and physics to come to a conclusion

@biratthapa2039 2 года назад

Awesome man, you should start a series like this. I wonder if you can make one about handstand, cause I can do 8 reps of wall assisted HSPU with least assistance but cannot balance the handstand at all.

@jojowawa1011 2 года назад

in that case, its not about your push strength, its your wrist strength and balance. learn to do handstand holds for long before atempting HSPUs, then how i learned it was just doing negatives. go down very slow, and eventually you will have the strength and balance to push back up. hope this helps u, and sorry if you've already learned it cuz its been six months since u commented.

@markho4958 2 года назад

3:22 for a physics point of view, you are only possible to do the human flag at 60deg where the two curves intersect. Yet, you do it at 41deg, which means either 1. Your push strength is not equal to the pull strength Or 2.the force applied by your arm is not parallel to the arm as you modelled it, e.g at 41deg your pushing arm need to generate a force that is more parallel to ground, so its direction deviates from your arm, in order to produce torque for the net torque equal to zero requirement, as well as net force equal to zero requirement. Or both 1 and 2 is happening. This means your model is only an approximation and it shows how human flag is most cases are fulfilled with 1 or(or and) 2 I mentioned above.

@GeekClimber 2 года назад

Haha I knew someone would point this out at some point. However it’s not your scenario 1. Scenario 1 can’t happen because the human flag is symmetric. My understanding is it’s your scenario 2 + the static friction from the grip. Evidence of scenario 2 happening is that my body is slightly tilting upwards because I was applying the pumping the chest out tip from Chris Heria as I mentioned in my previous human flag video, therefore the direction of the pushing force is not strictly in the same “z-plane”. Similarly I had to do the same for the pulling arm to counter balance this. As for the static friction from the grip, in a sense it make the curves in 3:22 “thicker”, so as long as the gap between the two curves is small enough, it can still “intersect”. So to be precise, besides finding the theta that can minimize the max of the two curves, the diff between the two curves also have to smaller than a certain number. I didn’t want to make this into a 30 minute video so I omitted these. Let me know if I answered the confusion you pointed out.

@calisthenicsindia8498 2 года назад

@@GeekClimber u r a legend

@markho4958 2 года назад

@@GeekClimber my comment on this comment is deleted, please refer to my another comment in a new thread

@tomaszzielinski4521 2 года назад

Brilliant explanation. And yes, certainly I am limited by pushing arm strenght and the shoulder in particular.

@Rheologist Год назад

What about the torque that needs to be applied throughout your torso to keep your body horizontal? I thought that was the hard part, not the arms

@kari991199irak Год назад

Notes to self: 1. Noin 40 asteen kulma käsien ja seinän välissä (Eli ei mahd. leveää otetta!) 2. Voima riittää, jos jaksat a) roikkua 5 s yhdellä kädellä b) Seistä 5 s yhdellä kädellä (hieman seinään tukien) 3. Pitkillä ihmisillä vaikeampaa, kuten moni muukin liike, koska vaikka sama voima, niin isompi momentti.

@amedeoceccato7190 Год назад

This was amazing! I really like to see the physics and maths behind calisthenics

@benhowell7633 2 года назад

Have you tried doing front lever on your fingertips - it should extend the effective length of your arm and make it easier

@Ericliaoo 2 года назад

Awesome explanation! It'll be amazing if you could make one on planche in the future

@RandomMusik Год назад

I can hold one arm Handstand on a Wall with no assistance for a Minute but only a tucked Flag.

@henryouang 2 года назад

This was really great and helpful. Thank you so much!

@TheParkitny 2 года назад

Yea bro! Thanks for posting!! Now I know it's definitely possible to defy gravity.

@alexandreleblanc9582 Год назад

from having tried this with friends, getting into position is drastically harder than the holding the position, all the limbs have to be in the correct position to be at a mechanical advantage and be able to produce the necessary torque...

@sampetersson5887 Год назад

You should do a excel where people just can put in their numbers

@sailesh111111 Год назад

I love you man!!

@nikilragav Год назад

But what about the shoulder and abs forces & torques to prevent sagging? I think for most people, that's probably the hard part, no? Those muscles experience torque as well

@licq 2 года назад

thank you professor

@neco5740 7 месяцев назад

Explains why the human flag seemed so doable to me. Though I'm not yet able to do it

@francoendrigo9388 Год назад

i guess that the question about high hypertrophy upper body being easier, is probably a comparison, meaning a chicken leg will most likely to do the human flag with less effort, since has less torque, but i guess with enough abdominal force that should not make a lot of difference.

@grqfes Год назад

this goes beyond what weve done year 10 mech engineering, i wonder if ill understand it fully after year 11 (third year)

@AmmarB Год назад

Is there any oblique strength required to hold the legs up? Then the torque force from the legs could also be applied to the obliques.

@challenger42 2 года назад

Thank you, I enjoyed it.

@mrm0nty550 Год назад

As non-maths guy, I appreciate the sorcery you just applied to lifting

@bios546 2 года назад

Newton's law is mainly used for point particles. For many particles, you'll need rigid body mechanics, from where you used the torque balance. Basically, without good core rigidity, human flag will be another swaying flag and not a hinged blade.

@user-sq9wp2ge4h Год назад

can do the requirements easily, but my core didn't keep up when i tried

@X4Alpha4X Год назад

I believe i have the arm strength for this, but i dont have the core strength. what's a good way to train that motion?

@soumalyadas1123 Год назад

Unusually entertaining content!!

@Pistolita221 Год назад

I feel like the core strength would be the most difficult part, your arms hold straight easily because that's what they're made to do, your spine? Not as much.

@TheFourScore 2 года назад

This is amazing

@Garblegox Год назад

I didn't ask for it, and I'm nearly innumerate, but I'm committed lets go

@besherhezzeni4670 Год назад

But what about core muscles?

@Jimhernandez9998 Год назад

I think this video is really good but the underlying assumption is that the person is analyzed as a rigid body. I think the hardest part of a human flag isnt the reaction forces from the pole, but rather having the core strength to hold your legs up horizontally.

@okta25 2 года назад

I'll tell that to my sports teacher

@halvardhaga5595 2 года назад

Hey! Great video, very interesting. Quick question. Couldn't oblique strength or hip flexor strength be the bottleneck for many people? I've tried doing the human flag many times now, but I'm not even close to pulling a straddle flag off. I can't even slow the negative. But I have absolutely no problem hanging/standing on one arm for a minute plus. I'm in pretty good shape and have been weight training for a few years. Just recently moved over to calisthenics. What could be my problem??

@santiagohuertabuenrostro9482 2 года назад

perhaps maybe even obliques? im not very knowledgeable in muscle groups and how they work but wouldnt being able to lift your torso and core be the first step before holding the legs up? (Im a newbie to the gym weighing 130 lbs, but with hip abduction i can do it with up to 220 lbs, so id imagine its the case for many ppl having strong legs even though having little to no training.)

@joelljungqvist433 2 года назад

Sounds like you're just having problems with the technique, try to record yourself doing it and compare to some youtube tutorials and i'm sure you'll find the problem

@TheXeeman 2 года назад

this video deepens my belief i am stupid

@vanshajarora5136 2 года назад

Make a video on learning "Forearm stand".

@yurkiyurki3791 2 года назад

How do you train personally (for strength)

@tibseflups6674 11 месяцев назад

Can you make a video about how femur length effect the squat strength

@AndrewVanLare 2 года назад

Taller people will also have a center of mass farther away from the center of rotation. This means they will have to generate more torque to counteract the torque of their center of mass. So it is harder for taller people.

@GeekClimber 2 года назад

No, only more torque in the absolute sense. If we look at the percentage of body weight, it's the same. But yes, tall people will have more difficulty generating the same percentage of body weight force because of allometric scaling. So it's harder for taller people.

@AndrewVanLare 2 года назад

@@GeekClimber So its harder for taller people depending on how much muscle mass you have.

@platypus1384 2 года назад

You should make a calculator to calculate if it's possible for someone with their body size and shape to do a human flag

@ng_gakken5128 Год назад

i did one arm handstand against wall for 10 seconds and could definetely do more, but still dont have the strength, is it my core?

@poluefemus Год назад

basically a lot

@daonguyen5443 2 года назад

hahaha, as a Ms Engineering student, I find this video is really outstanding.

@Lucas_SM_Gymnasthenics 2 года назад

Can you do the math an physic in depth analisis of Manna?

@noenottaris1891 Год назад

i'm guessing that i use the wrong arms before watching this videos, cause i'm using my OAH arm to pull my flag, i will try pushing with it to see. Thanks

@dcp5178 2 года назад

what the fuck is this and why is it so good?

@colebevans8939 Год назад

Am I incorrect in thinking that the core strength to hold yourself sideways is also a large part of the flag? A tall person with larger and longer legs and weaker core may have the arm strength to hold themselves up but be unable to hold their legs straight out. Or am I incorrect on this assumption?

@Pistolita221 Год назад

You're correct that was a huge oversight, but I still enjoyed his presentation.

@Pistolita221 Год назад

He also missed how hanging your body from the pole increases leverage on your arms, especially your lower arm (push arm) you could get close to doubling the force on your arms depending on how your weight is distributed throughout your body.

@zRedPlays 3 месяца назад

The examples you made (Wall assisted one-arm handstand hold, one arm hang) don't make much sense to me, in the assisted one-arm handstand, it's very easy to cheat using passive strength, relying more on the joints instead of an active hold, and the one arm hang is more of a grip exercise rather than a pull, unless it's an active hang, but still, an active hang engages the traps way more than the lats. I can hold a one arm handstand assisting with fingertips on one hand for about 15 seconds, and I can do a one arm active hang for about 10 seconds on my weak side, yet I can barely do a tuck human flag

@cocorito1736 2 года назад

Bro i need a video like this but with the planche 💪

@tanujak98 2 года назад

Loved seeing the math! Do you have more vids of calculating calisthenics?

@konstaConstant Год назад

Are you saying that theta=0 is impossible, because you can't generate force by pushing into the bar? The conclusion doesn't make sense to me, because even if the bar is vertical I think you theoretically could just grip harder and have the force apply through only friction.

@nephalemresurrection7518 2 года назад

Thank for video. Are you can learn V-Sit?

@iamrubenmes 2 года назад

Legend

@anomity7333 2 года назад

Bro appreciate you , you have done a lot of math which most of guys dont even understand 🤣

@pedrodeoliveirabritto5221 Год назад

I have the worst biomechanics for human flag. i'm tall and my legs are too heavy. I've been working out all these years trying to balance my body weight

@Pistolita221 Год назад

Calisthenics are core based exercises, I'd focus on stabilizers and obliques if you've already got the upper body strength.

@xak9697 Год назад

But what about the abd strength necessary to keep the legs straight?

@Ibrahim-zu9yt 9 месяцев назад

GYM rat nerd😁 definitely following you 😃

@davidweber2661 2 года назад

sick video

@shuminghu Год назад

rigid body asumption might not hold given i have no core

@nourghazal296 Год назад

I can hold a one arm handstand and have enough strength for 16 pull ups. The dynamics are different, i.e. the pushing angle. That is why it does not work. Other than the angle you also did not consider the position of the hand.

@robipindric7654 Год назад

Video is awesome but it feels like it is overly simplified,despite very complicated math. I can hang 45 second with one arm and hold wall assisted one arm HS for almost 20 seconds. I am nowhere near holding Human flag.Ok....i have to say i tried it on a straight vertical bar which is probably harder than the Swedish ladder you used but i don't think it would make things that much easier.

@bobbybobman3073 Год назад

Oh great guess it's time to get something like 180 lbs overhead dumbbell press

@nica_suares Год назад

I suck at math and I didn't understand anything. Do I need to be very strong or not?

@Wintertimeish 2 года назад

Release the calculator!

@Goodd_Angel 2 года назад

What if you put 5bar on the back burner, and have your side income based on your math and calisthenics website? 😇

@tashmoo Год назад

i thought human flag was a demonstration of a strong core and thats what limits most of the people. wish there was a requirement standart for core strength as well. great vid anyways well done brother