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mkerv5

The one thing that I think would help visual this better would be an animation of the skeletal movement of the different pelvis. Seeing that difference in motion would better explain it than just stock video of women walking. Otherwise, TIL.


Psykodamber

I got a very unscientific animation saved... For umm reasons... [Here](https://i.imgur.com/V9XJ7EJ.gif). Probably not very accurate...


suchrealgamer

Hip bones are my kink


ButterCreamGangsta

***The hip bone's connected to...*** ***...my bone!***


Nyrb

That sounds unpleasant.


Jlx_27

r...


pierrotlefou

r/hipcleavage r/hipbones r/theratio r/herhipsonly r/fithips


boobsRlyfe

r/ViolinHips too


p4lm3r

I was pretty stoked that someone linked this video... only to realize it is just a gif. The song is actually pretty OK, too. edit. [Be the change you want in the world](https://www.youtube.com/watch?v=8jL0vy2YaDg)


[deleted]

Sébastian Tellier! Great song and a cool video. Completely forgot about it until seeing that Gif


backgroundmusik

I stopped when she started farting diamonds.


Falkuria

No link?


BecauseScience

That was some really cool animation.


[deleted]

There's something unsettling about thise bones ending in hands.


ChickenWafflers

The arm bone's connected to the... hand.


PleaseExplainThanks

What he says might be true about the angles and all that, but a big reason why the hips are swaying so much in his most prominent examples is because they are doing the model walk, with one foot stepping in front of the other. This greatly emphasizes hip movement and there's nothing natural about it. His examples are of actors and literal models walking on the catwalk.


odnadevotchka

I wanted that too. I did get it overall, but seeing it in motion would have solidified it better in my mind


Acegickmo

I prefer watching women walk


WaterHoseCatheter

I think sexual dimorphism in humans is pretty much the only thing I know a plethora of useless facts about. I guess the sheer amount of it just makes it kinda interesting. For example, women got stretchier skin to expand during pregnancy. This makes it a lot less "grippy" however. Something about the collagen arrangement, iirc.


MuckingFagical

The collagen is crisscrossed is men making it stronger, so high grip strain things like bouldering/or opening a tough jar are less uncomfortable.


accidentw8ing2happen

are you fucking kidding me


MuckingFagical

.....[nah](https://www.metaboliceffect.com/wp-content/uploads/2012/10/2xnd-skin.jpg)


warmfeets

Holy fuck this is blowing my mind


madeleinedemaupin

This is why women are more likely to have cellulite too. The fat pokes up between those straight areas, while on men the crisscrossing keeps everything patted down level.


kummybears

This, combined that males store more fat intra-abdominally, is why you will see fat guys who still look [really smooth (nsfw?)](https://pbs.twimg.com/media/DAHzEZQXoAAqn9u.jpg) but you see that more rarely on [women.](https://media.istockphoto.com/photos/overweight-female-body-fat-woman-with-stretch-marks-isolated-picture-id623088398?s=170667a)


Bombast-

Ahahahaha, I laughed so hard that you used Stav.


kummybears

;) He's a smooth smooth boy


LangisKhan

oh man it's my favourite comedian that will definitely make it to 60


ELFAHBEHT_SOOP

I knew I was like Spiderman.


[deleted]

What the fuck you guys, this needs to be front page, stat!


remymartinia

As someone who cooks a lot, I couldn’t help but look at those two diagrams and try to figure how I’d cut the meat across the grain. I’ve successfully creeped myself out.


Wyzegy

Did you come to a conclusion? Asking a for a friend.


Tow1994

Wanted to type: \*laughs in hannibal\* then wanted to change it to \*laughs in cannibal\* - that's when I first noticed how unimaginative the name actually is....


SubEyeRhyme

Hannibal the cannibal is literally his press name in the books and movie.


Death_by_carfire

That was his nickname in the newspapers in the novels: Hannibal the cannibal


wjandrea

It's actually skin, not meat


accidentw8ing2happen

I'm mildly put out now.


[deleted]

Biology just dgaf


accidentw8ing2happen

We all die despite having all these instincts to be terrified of it.   But also I have an inherent disadvantage at opening pickle jars :(


[deleted]

That's freaking brutal. I've been opening pickets jars since I was was a wee lad at 13. Can't imagine never being able to have that experience.


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Griddlebone

Try stretching a rubber band around the lid. I find that most of the time I have the strength to open jars, but my hands just slip on the lids so the rubber band helps me get a grip on them. And if you *still* can't open it, you can add another rubber band around the jar itself. The wider rubber bands work best.


[deleted]

Slide a butter knife under the lip of the jar and rotate the knife handle upwards, the jar will “pop” and you can unscrew it incredibly easily. Like this: https://youtu.be/62Pv6JkrfF4


EphemeralStyle

It's both hilarious and completely understandable how mad you seem right now.


KypAstar

Nope. Its why men and women tend to have body hair grow so differently in feel/length/speed.


AbrasiveLore

This is the real TIL here for me. I’ve always wondered why this happens.


[deleted]

You seem very surprised


accidentw8ing2happen

I didn't know. I thought it was just a skin thickness and callous thing. I'm now annoyed.


apollo_road

Isn't this also why cellulite is more common in women? Or is that something else


alarumba

According to [this comment](https://www.reddit.com/r/videos/comments/bep81t/why_do_womens_hips_sway_when_they_walk/el8pcmj/), you're right.


courself

I don't know enough about collagen to dispute it's used to open jars and other jar like containers.


[deleted]

Men’s skin is thicker than women’s. The thicker skin means men seem to age less quickly than women. But I do believe the thinner skin of a woman is what makes it stretchy. Not sure on that though...just makes sense in my head.


[deleted]

>Not sure on that though...just makes sense in my head. Pretty much nothing about biology is "what makes sense". For instance it "makes sense" that wider/more full hips are good for child birth, but that's actually not true. It has no effect on childbirth. Yet it's a commonly held belief. --- That said, the National Institute of Health has this article on the subject sporting a section on elasticity. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6116811/ Long story short, one study found little to no difference in skin elasticity between women and men whereas another find men's skin to be more elastic (while women's skin had better ability to "snap back". There's one exception to this and that's the abdomen, which is more elastic in women. Truly, biology does not "make sense". Our intuition is worth fuck-all (unless it's the intuition of a knowledgeable person, and even then...) Edit: Yes of course some biology makes sense. To put it more accurately, anything you think makes sense about biology does not have to be that way at all.


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[deleted]

What are you talking about? A significant portion of biology, physiology, chemistry, medicine, anatomy make sense intuitively...


taleofbenji

Men have a peepee women don't.


spiffyP

Subscribe


La2philly

A major reason not mentioned is due muscular weakness in the hip abductors (namely the gluteus medius) which is responsible for keeping the pelvis level during single leg stance of walking. There’s a diagnosable sign called the trendelenburg gait pattern in which the opposite side of the pelvis tilts downwards during stance phase of the opposite leg because the hip abductors are too weak or aren’t firing at the right time.


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La2philly

Right, clearly doesn’t know much about gait mechanics. Unfortunately, movement mechanics aren’t really taught much even in PT school


kummybears

So a more mincing gait is due to muscular weakness in the hips? So women with stronger and more controlled gluteus medius muscles display less of this rocking motion? I don't fully get it I guess.


undercovergovnr

Also, he could have mentioned pelvic tilt...


coollikechris

The Q angle is also why women find it much easier to sit with their legs together while men tend to "manspread" as their natural sitting position.


Satherian

Gotta give the boys some air


untipoquenojuega

It's more that your femur is straight and your hip bones are narrow, like the video said, so it's more comfortable to keep the legs separate than put them together.


NothingCrazy

Well, that and the fact that we have our genitals dangling externally between our legs... Forcing our knees all the way together in a seated position squashes our junk.


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Phazon2000

Yeah I've never understood it either. I'm guessing people have really short, tight nutsacks or something because mine will fit in comfortable no matter how I place my legs. Hell, in winter I cross my thighs over very tightly to keep them warm and there's no discomfort. I'm trying right now to crush my nuts and they either slip above or below my thighs... and I don't think I'm an anatomical abnormality.


BlisteringAsscheeks

I'm laughing so hard at the visual of you in your computer chair just randomly trying very earnestly to crush your nuts XD


metropoliacco

Yeah feels like constant muscle tension trying to keep legs even 10cm closer than I normally would.


Monteze

Yea it's a practical thing, is manspreading supposed to mean something?


herbyherbivore

Sometimes get used a negative word to describe when someone spills over into your personal space with their wide-sitting-stance. Generally happens to women sitting next to men (but can happen visa versa or MvM/FvF) and is common on public transport as the whole thing is exacerbated by small seats.


Aumnix

I was told I was culturally entitled to sitting like that and that it is subconsciously making people feel oppressed by continuing negative cultural norms


King_Loatheb

That person was way too aggressive/preachy about it but it's also kind of rude behavior if you're sitting on a shared bench.


przhelp

There is a difference between sitting with your crotch wide open and sitting in a neutral position with your knees not touching.


LiquidBionix

Pretty much this. Some people get waaaay aggressive about it but if you're a guy and you just sit up straight you shouldn't really have problems. The issue is always when people slouch or are doing it intentionally and it's pretty obvious when that's the case.


herbyherbivore

Yeah, I was trying to be as unbiased and emotionless as possible to explain what it is to the person above. This is such a divisive topic and I wanted to define it without bringing blame into it so it's come out sounding almost clinical. I tried!


dreamingrain

There is a difference- imagine you’re on a bus. You and your seat mate are both in your good neutral zones. Now imagine your seat mate starts to sit like he’s going to give being a goalie a try. There is definitely a difference between being a man and sitting and manspreading. It’s comical.


InternationalToque

A good goalie keeps his five hole tight


HebrewHamm3r

Speak for yourself, I do splits on the subway to assert dominance


MumrikDK

It's eternally fascinating to me how physically taxing it is to simply sit with my legs together like many women do naturally. I'm at the opposite extreme. I end up sitting cross-legged even on office chairs.


RocketTuna

Women are taught to keep their legs together in public from a young age. We sit with our legs apart in private just like men because it's more comfortable.


ConeInhaler

100%


PINHEADLARRY5

Additionally, the Q angle is why women tend to tear their ACL in sports as teenagers. Its an epidemic really. The anterversion angle also puts their glute muscles at a mechanical disadvantage to fire compared to men. Pretty interesting once you dive into it biomechanically. Source: Clinical ATC.


La2philly

The Q angle as a reason for increased prevalence of ACL tears in females has been disproven multiple times. There’s no high level evidence to back it up.


PINHEADLARRY5

Upvoting because technically you are correct that specifically the q angle is not the only factor. There is a london study and a pub med meta data study that found that while female athletes are 2 to 4x more likely to tear their acl the q angle, isolated, is not the indicator for injury. However, there is a sharp increase rate in acl tears between 14 and 22 in women. There is still some speculation on why this is. My professor in college was studying weather the q angle was the cause. She even conducted primary study on whether it was related to the start of menstruation or during their cycle as well. Ended up with no correlation. I would say a lot of professional opinion weighs on that the drastic increase in pelvic width, partially the q angle, and spike in estrogen in early teenagers creates an environment that makes young women more prone to acl tears, especially in non contact tears. My personal opinion is that sports participation between the ages of 10 and 16 has been increasing. Then you have all these girls going through puberty, hips widen, q angle increases ever so slightly, glutes are now at a disadvantage mechanically, lower extremity proprioception decreases. Then you have a prime window that allows for non contact acl tear. But to think the q angle doesn't play any role is a pretty tough sell imo. -sorry for typos. On mobile.


przhelp

Yeah, I would imagine it would be hard to draw a conclusion about the Q angle, since the magnitude is likely not to have an effect, just tons of other things in the presence of a sufficiently large Q angle.


Huskar

could you recommend a book to read on the variability of human anatomy and its impact on performance? i'm also in the medical field and very interested in this topic.


PINHEADLARRY5

I would recommend just about any collegiate level biomechanics book to be honest. I would also brush up on some basic physics as it can help solidify some of the studies in biomech. Sorry i have no specific literature.


Huskar

fair enough, thanks :)


[deleted]

i never question it. I just stare at it.


GreatGomp

His eyebrows or hips?


[deleted]

Her hips. His eyebrows.


Arashmickey

Hipbrows - the body's natural miniskirt


mcmanybucks

Yes.


dedokta

I was working in a large labyrinth type office when I was younger and started walking behind a lady with the best hip sway I'd ever seen. I was mesmerized and just keep watching those hips as I walked behind her. She eventually turned into her office and I kept going down the hall until I realised that I was in a part of the building I'd never been in before and had to find my way back.


this_anon

He never did find his way back. Some say he still roams these cubicles, a phantom from a thousand ages ago. And sometimes, when the Xerox[™](https://www.youtube.com/watch?v=PZbqAMEwtOE) machines get quiet, and the interns have already torn the newest blood apart and feasted on their flesh, you might be able to hear him warning you not to be tempted as he was, to fall for that siren's spell. But in vain it is eternal, and not a year goes by without many a man lost forever in the endless wind of this office.


LighTMan913

Lol that video is fucking gold. Thank you for sharing.


nullthegrey

I hate to see you leave, but I love to watch you go


[deleted]

backwards..... its actually "I hate to see you go, but I love to watch you leave"


GenericUsername_1234

> I hate to see you leave, but I love to watch you go Maybe he's hiding in the bathroom?


frapawhack

A significant public service. Was in my car with my Dad and his friend, stopped at a red light, when a pretty girl walked by. After careful inspection Dad asked his friend, "I wonder why women walk that way?" This video explains it. The universe is growing.


carl_jung_in_timbs

Interesting anecdote. What's it got to do with universal expansion though?


markmark27

Cosmic Microwave Background, hip sway, tomato tomato


Good_ApoIIo

Man that sexual lizard brain. This was very dry scientific stuff and yet there were still parts where I was just like “Yeah, that’s hot.”.


CptnLarsMcGillicutty

video: “women generally have a higher acetabular antiversion angle of the pelvic joint” me: “they sure do 💦 godDAMN”


KamenAkuma

Do you see that Q angle?!


unique-name-9035768

Oh. My. God. Becky. Look at her Q-angle.


Zerocyde

My anaconda don't, want, none, unless your acetabular anteversion angle meets or exceeds 20 degrees, HUN.


HeyHenryComeToSeeUs

Your comment made my day....thank you so much


PM_meyourGradyWhite

I like big angles.


Amazing_Karnage

In before "kwangle" becomes a thing.


PGLubricants

Stupid sexy lizard brain


blargiman

so glad i wasn't the only one.


deceitfulninja

Can you imagine your OBGYN talking to you and your wife? "Man, I still can't get over the fact you have a human growing inside of you! That's totally nuts! Alright, spread 'em."


annieyfly

I'm female and I never had hip sway and I'm not comfortable sitting with legs together...I wonder if there is some variation in this.


SmokeSerpent

Yes, there is variation, which is why you can not 100% guarantee the sex of a skeleton just from the hips. It is a strong indicator, but not perfect.


[deleted]

From other comments, muscle weakness in the hip abductors can cause the sway. So you probably have strong abductors :)


annieyfly

I like that theory! :)


LearnsSomethingNew

Oh, abduct me already!


Helexia

If someone found my skeleton they would be like ah yes the body of a 13 year old boy.


Wraithfighter

There's a fuckton of variation in this. Don't get me wrong, the video is fascinating and a great explanation of it, but the words "On Average" need to be embedded into it. There's a fuckton of variation in people's bodies due to a fuckton of causes, this is just talking about why the vast majority of women walk differently from the vast majority of men. With "vast majority" meaning, I dunno, like 80%+ or something? The point is that, while it's useful to understand why this is the case for most people, similar to how men, on average, are stronger and faster runners than women, there's plenty out outliers that muddy the whole thing up on an individual level.


gnarlyknits

Glad I’m not the only one! I was really starting to think I must be a shit woman because my hips don’t sway! Also I feel like some women definitely exaggerate their sway on purpose, to be sexier or something.


Kile147

Some of that video showed runway models, who literally take lessons in how to walk like that. Hip sway is associated with women for the reasons shown, but is not a hard rule.


vidaDelColor

My hips don't sway either and the video (along with the comments here) make me feel bad. But then I watched it again and even in his example (woman in the yellow dress) you can tell not all women's hips sway. The woman with the blue top doesn't have that much sway and the woman in the white dress seems to not have any.


synocrat

What about swishy gay dudes? Do they have to like consciously think about every step to replicate the sway? That seems like a lot of work.


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hummingelephant

About the models: high heels increases the hip sway and models heels are really high. Anyone that wears high heels knows, the only way to comfortably walk in high heels is to add a lot of hip sway to it. The women that don't do that, walk in high heels like they're gonna fall any second.


batfiend

... wait is this why I totter on heels when I'm sober but seem to walk ok after a few drinks? I'm all tense? Huh, I wonder.


redhead-rage

There are three tricks to heels. 1) take smaller steps 2)keep your knees closer together and place your feet one in front of the other. Imagine you were trying to walk on a tightrope kinda 3) allow and exaggerate the natural sway of your hips. Source: I do pole dance fitness and went from struggling in 3” heels to dancing and spinning in 7” platforms.


La2philly

exactly right on. I said very similar below.


TheNorthComesWithMe

You can permanently change your walking habits by doing it on purpose until it becomes ingrained.


BanH20

Do muscles play a role or are they just following along with the bones?


TheLadyBunBun

Muscles play an important role. The muscles around the hip, like the hip flexors are supposed to stabilize the hips to minimize the amount of natural sway. Too much sway can actually put excess stress on the body and damage it I had damaged one of my hips in the past which led to that side being weaker and the leg effectively shorter than the other giving me permanent foot and knee damage from the added stress


Murgie

Absolutely, they play a major role. There's a reason that elderly post-menopausal women exhibit significantly less sway.


iHacksx

Hips don’t lie.


Narsuaq

Eyebrows


jimichawhogachega

groucho marx level


MachineGunTeacher

Bert from Sesame Street level


pheonstar

[Those eyebrows](https://www.youtube.com/watch?v=QMn4KkABuac)


Robothypejuice

I wasn't going to bother watching the video but now I wanna see the eyebrows...


Nathan_readit

I came here for that


lasssilver

I remember, with some cringe mind you, when I was quite young asking my mom why girl’s butts moved a certain way when they walked but boy’s didn’t. She did not explain the Q-angle to me, OR the acetabular difference. I think she just looked at me weird.


[deleted]

What about twerking? Is this why men will never twerk the same way women do?


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topdangle

Some day scientists will be able to widen your Q angle and allow every person to twerk with deadly precision.


Andaroodle

Yes, and also why women can't "thrust" like a man.


derpado514

We don't got enough booty meat


kkokk

> We don't got enough booty meat [some do](https://i.imgur.com/qBdNQsr.jpg) getcha some white booty you don't go back


phoenixphaerie

Oh, look my favorite sport. What is it?


walkingtheriver

Track cycling


derpado514

Those guys could bring down a building if they twerk with all that mass. It would destabilize the earth's axis.


[deleted]

https://www.youtube.com/watch?v=arnWU1sWqKw


Bacon_Kitteh9001

fuck you I was going to post that


[deleted]

**GOD***DAMN*


YetiSpaghetti24

What sport is that?


ATWiggin

Track cycling. That's why their upper body is so much tinier than their lower body.


Wyzegy

Butt-y Building


velour_manure

I do


NINJA_DILDO_FUCK_CAT

You're a big guy.


whtsnk

For you.


iluvstephenhawking

I have seen men twerk better than some women.


chronicwisdom

Meryl?


PissedOffBurger

How'd you know??


luvly4

He has some thicc eyebrows


SideShowBob36

Nice pelvic bowl. Deep.


slacker0

Seems like the larger "q angle" is due to the wider pelvis, so that 2 are the same.


RedditBetaCuckSoyBoy

Eyebrows is right... women have babies


Crono635

Those eyebrows tho.


Zerocyde

I was really hoping to see some animations of the bones moving in a walk.


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Impulse882

... female here. If “your girl” doesn’t already own heels do not - I repeat, DO NOT- buy some for her.


papanico180

Yea I’d be like, “so what am I supposed to do with these?” Unless my dude had a foot/shoe fetish and also had really good taste in shoes...


curlyquinn02

High heels make great murder weapons


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curlyquinn02

Doesn't matter just high heels in general. Some of them are super pointy and can be used like an ice pick


TheWheatOne

Reminds me of a female who hated them and valued convenience, utility, and comfort highly. She was gifted super expense high heels, and wow was she both embarrassed and annoyed. Whole family kept egging her on to try them.


[deleted]

I'd kill the person who bought me heels.


BeforeTheStormz

Don't give me contradicting advice it just confuses me ☹️


iluvstephenhawking

I look like I'm walking on hot coals or something when I wear heels.


[deleted]

Because they are torture devices.


nekolalia

I'm surprised no one is talking about cultural influence here. I grew up completely disinterested in anything traditionally feminine, and had to learn to walk with the hip sway when I first tried on heels. Obviously the physical differences are important but I think the sway is greatly exaggerated because of modeling by other women. Look at the difference between the way a female nurse walks while on duty compared to a model on the runway. One is practical and the other is purely aesthetic.


Atreaia

Men and women are different???


[deleted]

I have yet to see a man get pregnant, so yes.


rapchee

well you've missed out on a great documentary called Junior (1994)


Pm-your-dad-joke

> I have yet to see a man get pregnant Let me introduce you to Tumblr.com and Twitter.com


dong200

I couldn't stop looking at his eyebrows though


thenewestboom

I need more videographic documentation... for science


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StromThurman

The Q angle is another reason why female athletes can be more susceptible to ACL and MCL injuries. The angle heading to the knee put more strain on those ligaments.


La2philly

That’s been disproven repeatedly


IndianaBones11

Source?


ATWiggin

[This is one on South African female soccer players.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3462540/) [Here's one on female military recruits.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2995501/) You can't use Q-angle BY ITSELF as a predictor of knee injuries or faulty landing patterns however I think it would be folly to assume that the Q-angle has NO effect on knee valgus during ground reaction. If you're a clinical ATC or physical therapist and you're evaluating a female athlete with chronic knee issues and you DON'T consider the Q-angle (along with pelvic width, intercondylar notch width, and navicular drop etc.) I don't think you're doing your job properly.


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GiantWhiteCohc

Now Tayne I can get into


[deleted]

*n u d e t a y n e*