Final answer:
Research shows that giving clients an external focus during exercise is most effective for enhancing balance movement.
Step-by-step explanation:
Research shows that giving clients an external focus during exercise is most effective for enhancing balance movement. Balance exercises require focus and concentration, and directing attention externally can improve stability and overall balance. For example, when performing a single-leg balance exercise, focusing on a stationary object in the environment can help improve balance by reducing internal distractions.