If a child is lacking the skills for good physical balance, then it makes sense that he may also feel less stable, and more prone to emotional imbalances, such as anxiety. Research* shows that when anxious children receive movements that improve balance skills, their anxiety is lowered and their level of self-esteem increases. Read the research here.
You can learn movements for helping children and adults with balance and anxiety in the Brain and Sensory Foundations® course.
* Research Title: "Balance treatment ameliorates anxiety and increases self-esteem in children with comorbid anxiety and balance disorder"
by Orit Bart, Yair Bar-Haim, Einat Weizman, Moran Levin, Avi Sadeh, Matti Mintz