Proprioception is the body's ability to sense where it is in space. For example, close your eyes and touch your nose. How were you able to move your finger to your nose without seeing it? Proprioception exercises are used to help retrain your sensory system after the nerves have been damaged during a musculoskeletal injury. Your body uses its sensory system in the joints and muscles to know how they are moving. Balance and coordination both depend on your body's proprioceptive skills.