정형외과의사이자 실내 체조선수로도 활동한 바 있던 그가 강조하였던 것은 유아와 청소년들의 건강을 위한 충분한 신체운동이었다.
He had been active as an orthopedic surgeon and indoor gymnast, and what he emphasized was enough physical exercise for the health of infants and adolescents.