the.com/patella
a floating shield that turns your knee into a lever, then betrays you on stairs
means The patella is the small, roughly triangular bone at the front of your knee — the kneecap — that protects the joint and gives your thigh muscles leverage to straighten the leg.
from From Latin patella, "small pan" or "shallow dish" — the diminutive of patina, a broad plate. Roman anatomists looked at that flat, rounded little bone and saw a tiny serving dish, and the name stuck through the centuries of medical Latin.
- largest sesamoid
- biggest bone embedded inside a tendon
- late bloomer
- doesn't fully harden until around age three
- leverage hack
- boosts the thigh muscle's pull by a third
- goes missing
- some people are born without one entirely
- dislocation prone
- can pop sideways from a sudden twist
patellar tendon rupture — common knee injury in athletes like basketball players, affects the tendon connecting kneecap to shinbone
patellofemoral pain syndrome — runner's knee affecting millions, caused by misalignment of kneecap in femoral groove