![Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com](https://images.squarespace-cdn.com/content/v1/51bf1cd3e4b0a897bf54112b/1371485566509-PFOTCA89UJSORRJZ2D4S/image-asset.png)
Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com
![I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics](http://i.imgur.com/kydap.jpg)
I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics
![Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10105900.ece/ALTERNATES/s615b/Fitness-fanatics-leg-bends-backwards.jpg)
Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online
Mercy Ships NZ - When Marie Madeleine's legs started to bend backwards, she developed a painful limp. Her mum felt her precious girl's physical and emotional agony deeply; “My hope is for
![I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics](https://external-preview.redd.it/EUTN63ZxNwwq78ySkOrstoCoIPPewTWuaJJF2R32-G8.jpg?auto=webp&s=e695660c08138945beb4047567bfb46570b716ed)
I have always had the ability to bend my legs backwards - so easily, in fact, that I sometimes do it without noticing. Most people seem to find it alarming. : r/pics
![Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online](https://cdn.jwplayer.com/v2/media/VDcaaYJe/poster.jpg)
Horrific moment fitness fanatic's leg bends backwards after pressing too much weight - Mirror Online
![I was left folded in half by agonising condition - every doctor told me the same horrifying thing | The US Sun I was left folded in half by agonising condition - every doctor told me the same horrifying thing | The US Sun](https://www.the-sun.com/wp-content/uploads/sites/6/2022/06/NINTCHDBPICT000737588803-1-e1654511830779.jpg?strip=all&quality=100&w=1920&h=1080&crop=1)