What do vision and balance have in common? Have you ever suddenly fallen, sprained your ankle and tried to just "walk it off"? Your lifelong physical history and previous injuries play a important role in your proprioception, which is defined as "the unconscious perception of movement and spatial orientation arising from stimuli within the body itself." If you have a weak core or previous broken bones, you can get your balance back by getting proper physical therapy and strength training with a trained professional.Fitness Analyst, David Lightcap, discusses our dependence on vision to maintain balance.