the.com/kneejoint
the most complicated hinge in your body, and it knew it from birth.
three bonesFemur, tibia, and kneecap meet in one summit
floating boneKneecap is the body's largest sesamoid bone
no socketHeld together by ligaments, not bony cradling
common casualtyACL tears plague athletes and aging joints alike
late bloomerKneecaps fully ossify only by adolescence