Some things you never knew there was a Guinness World Records category for:
Kelsey Grubb has put her best foot forward and broken a record that not many can achieve.
The 32-year-old of Albuquerque, New Mexico, USA, has the largest foot rotation (female) and can turn her foot 171.4 degrees.
For reference, 171.4 degrees is very close to 180, or a half-rotation. In angular terms, Ms. Grubb's rotated foot alignment would look something like this:
The real visualization of it, meanwhile, is somewhat more astonishing:
We've all been taught to view that sort of arrangement as alarming and painful, so I think we all sort of initially have the same reaction to seeing these photos, namely:
But it's actually perfectly fine! This is just the way the young lady's feet work.