Proprioception, from Latin proprius, meaning “one’s own”, “individual” and perception, is the sense of the relative position of neighbouring parts of the body and strength of effort being employed in movement.–Wikipedia
Proprioception is one of those tricky terms that’s hard to quantify, but you know it when you see it. It’s an understanding of where your body and its appendages are in relation to things around you. Athleticism and proprioception are very similar and intertwined. It’s the dark side of CrossFit’s Ten Attributes of Fitness. The attributes that are hard to measure, test, and train, but are so important for most sports and physical activities. Agility, balance, coordination, accuracy–all neurological in nature–are hallmarks of proprioception. The truly legendary athletes, the Magic Johnsons, Sugar Ray Robinsons, Rickson Gracies, Joe DiMaggios, all were (are) absolute masters of proprioception.