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[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/127_hours_arm_scene.jpg]]
[[caption-width-right:350:[[{{Squick}} Ouch.]]]]

''127 Hours'' is based on a real experience of someone [[LifeOrLimbDecision cutting off his own limb to survive]], and this film perfectly captures that feeling of isolation and tension.

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* The idea that you're rock climbing, and everything goes well until you make one wrong move, and a rock crushes your arm. [[RealismInducedHorror No supernatural elements here, all of it could conceivably happen even on the best of hikes.]]
* The fact that the story is a real re-telling of one man's predicament.
* Cranked up to eleven when, in the middle of cutting off his arm with a dull knife, he reaches a nerve bundle that, despite everything else he had done to himself, was still electrically painful. The sound effects that go with it only make it worse.
* [[ItMakesSenseInContext The jump scare with Scooby-Doo.]]
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