Question

A problem with your proprioception would mean you have difficulty

Answer 1

Well, proprioception means "sense of self". In the limbs, the proprioceptors are sensors that provide information about joint angle, muscle length, and muscle tension, which is integrated to give information about the position of the limb in space. So trouble with that would mean you aren't aware of your own body's movement, and might need crutches, a wheelchair, take certain medications, it may even require surgery. 

Answer 2

Answer:

Knowing where your hand is while not even looking at it

Explanation:

Apex