the.com/proprioception
the sixth sense that lets you touch your nose with your eyes shut.
means your body's built-in gps for knowing where your limbs are and what they're doing, without looking.
from from latin proprius, meaning one's own, coined in the 1900s by neurophysiologist charles sherrington to name the sense of self-movement and position, as opposed to senses aimed at the outside world.
drunk testpolice sobriety checks are basically proprioception exams.
astronauts lose itzero gravity scrambles it, causing clumsy relearning on return.
rare disordersome people lose it entirely and must watch their limbs to move.