• It corrects imbalances:
It enhances proprioception: There is a learning curve associated with unilateral training, and you hone your balance and coordination in order to properly perform an exercise. This means better overall kinetic activity throughout your body and improved performance in the gym and on the playing field.
No one wants to be walking around with one arm or leg bigger than the other, so to bring up lagging parts, unilateral training is your best friend. Improving strength in contralateral muscles relative to one another also means that no muscle is a weak link and that the risk of injury is diminished.