Also notes: Shouldn't be worn when just standing/walking because it is like tip toes! With one leg it can be awkward having one door suspended up and with both it's more of a balance issue like you're constantly on stilts It's extended because of how it needs suspension in order to be able to flex and spring back so it's best used as intended, just for running (wouldn't make a good walking/everyday prosthetic)

Clearly this is an ass anatomy tutorial

It's a type of prosthetic used by people for athletics, specifically track running They have their own paralympics category called bladerunning, putting bladerunners with olympic track runners would be unfair as the physics of blades actually make them faster on average when compared to non disabled runners They're expensive and most people missing legs wouldn't bother spending the money on them considering how you can't walk with them, the balance and your height would get really thrown off, but some have the money to get a spare/alternate leg(s) to use for running Been an interest of mine for ages I have no idea why or how I just be taking any opportunity to yap about them