As long as not to extreme levels, jitters in children before a dance recital, school concert or class presentation, is common. How you (as a parent) deal with it, however, plays a major role in letting your child learn how to cope and overcome it.
As a low-impact sport that hits almost every muscle in the body, swimming undoubtedly has fantastic benefits for physical health and wellbeing. Getting children, in particular, involved in swimming from a young age builds their confidence in being comfortably surrounded by or submerged in a body of water.