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In the ultra (in?)famous ChestBurster scene we were introduced to the monstrous Xenomorph. But why the chest?

Why didn't the alien simply claw up through the esophagus?
It would have been far easier than breaking through the breast-bone.


A out-universe answer will suffice provided it's sourced from production or direction, or special effects etc.

  • 14
    Well, they're called "chestbursters." For them to burst out of the neck or stomach would constitute false advertising. – Ryan Veeder Dec 15 '15 at 4:23
  • 6
    Did you not see the film? Because it's wicked cool – Valorum Dec 15 '15 at 9:00
  • 4
    One does not simply claw up through the esophagus. – Paul D. Waite Dec 15 '15 at 9:43
  • 1
    "Esophagus burster" doesn't have the same ring... – Thaddeus Howze Dec 15 '15 at 16:31
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    Rule of cool. tvtropes.org/pmwiki/pmwiki.php/Main/RuleOfCool The limit of the Willing Suspension of Disbelief for a given element is directly proportional to its awesomeness. – RichS May 21 '17 at 6:33
14

It's a primal creature whose has just emerged to life inside a hosting body. It hasn't any anatomy knowledge about the host, nor can sense if there's any "easy" path to outside. In fact, Aliens parasite a lot of different life forms, as we've seen during the saga and in other canon parts, so there isn't any type of genetic memory about the correct pathway to emerge from host body.

So... what a creature like that will do when waking to life inside a squeashy unknown environment? Just burst outside through the first direction it feels, as it's enough strong and capable to easily tear flesh and bone.

The fact that movies and comics depicts always the little monsters bursting out of the chest is merely dramatic, as they would probably emerge by any direction.

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  • 2
    Extremely good point. Aliens parasite a lot of different life forms we cannot assume it knows anything about the host's body (human in this case). Wish I could +2 this. – Athena Widget Dec 15 '15 at 11:33
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    emerge by any direction, now that I think about it some more, there is a one direction that may not go over so well with the viewing audience! – Athena Widget Dec 15 '15 at 11:43
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    @AthenaWidget: C.f. Dreamcatcher's "shit-weasels" – FuzzyBoots Dec 15 '15 at 12:44
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    it might actually be instinct driven to the point that it goes yeah its hard here but its soft there, so lets try there. – Eumel Dec 15 '15 at 13:11
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    The Alien's knowledge of anatomy seems to vary according to the plot demands. It goes straight for the mouth and travels down the throat, and it wraps its tail around the throat. When the crew tries to remove it, it tightens its grip on the throat, basically blackmailing the crew (if you try anything, I'm going to crush this guy's throat). Rather sophisticated behavior. – Acccumulation Jan 25 at 20:00
5

To me it looks like it actaully passes through a spot right beneath the rib-cage and not through the bone. Also he still breathes later in the video which means his lungs didn´t collapse which in turn supports that it in fact didnt destroy the rib-cage.

Also another point, you cant see any bones, if they would get broken from the inside you should be able to see them.

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5

It's the most direct route to freedom

While climbing up the oesophagus would make more sense, there are a few things to consider that make bursting through the chest a better option.

Chestbursters grow incredibly quickly, and can vary in shape and size. They could very well not fit in a human throat, and then have to claw their way out if they get stuck, making the whole exercise a waste of time:

Growth of the Chestburster is rapid; the creature's signature inner jaw is known to form within an hour of implantation

They soften up the chest cavity before bursting through (what a gross sentence), so it's not an especially hard task:

When fully developed, the Chestburster releases enzymes that soften the bone and surrounding tissues of the host's chest cavity to facilitate its egress, before finally forcing its way through the sternum.


But of course, there's always the non-canon Facebursters from Alien 2: On Earth

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  • ...and then have to claw their way out if they get stuck... I like your thinking! It gets more disgusting with each answer. – Athena Widget Dec 15 '15 at 14:05
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From a practical/evolutionary survival perspective:

  • Crawling out the esophagus would've meant being exposed to the host's own teeth.
  • Crawling out the esophagus might mean leaving the host alive, and injured, and dangerous.
  • Killing the host ensure the host couldn't kill the emergent organism.
  • Killing the host in spectacular fashion momentarily shocked and paralyzed the rest of the Nostromo's crew... thus facilitating its escape when it was most vulnerable.

From the symbolic process perspective:

Because it graphically reinforces the process of occult self-annihilation in the context of the birth of emergent cultural abomination. (Occult simply means that which is hidden (cult) from sight (ocular))

The process is symbolically illustrated throughout the series. Observe that, in the original Alien, on the self-destruct panel of the Nostromo is a "Padme" button.

Padme is Sanskrit for the lotus flower. The lotus flower symbolizes the promise of enlightenment in Eastern ideologies - for example:

"In Hinduism, the lotus flower is very significant as it relates to the sacred Padma lotus, and is associated with numerous gods, including Vishnu, Lakshmi and Brahma. In many ancient works of art, the gods are depicted with lotus flowers as they represent purity and divinity"
https://www.onetribeapparel.com/blogs/pai/meaning-of-lotus-flower

The obvious In-universe parallel to the Padma Lotus is the tempting, but deadly face-hugger-spewing, egg.

There was never any guarantee (aside from monetary inducements) that the actual state of existence confired upon the "enlightened" would be healthy for the confirmant crew of the Nostromo, deep in the heart of darkness... of Space; and that fact is borne out by the consummate fate of first the infected captain, and then his entire crew, each cocooned into their own temporal hells - including Ripley who ultimately plunged into the furnace in Alien3.

As Mother revealed -- the crew was always expendable in the context of the Corporation's secret desire to achieve its collective, self-worshiping, goal.

Observe Ash's quaint confession and how, although the Weyland-Yutani Military Industrial corporate mind knew the likely outcome - at best it didn't care, and at worst they derived a sadistic pleasure from the inhumane demise of the expendable, inferior, livestock within their purview.

And the more horrifically and paralytically shock-and-awe-inducing the emergent bio-weapon... the better!

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1

The short answer is...

Because, after a succession of creatures that actually did emerge from the esophagus/mouth - bursting through the chest is how David, the proud papa of xenomorph1, evidently deliberately engineered his little emergent abominations to dramatically appear... standing victoriously over the faithful, but dead, "mother" host.
Xenomorph 1 emerges victoriously David strikes the pos "Satan Exulting
Satan Exulting by Henri Fuseli (1741-1806)

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