But to play through scales quickly, children must forcibly extend their hands, making their wrists very tight. And playing fortissimo quickly can harm little hands.
然而，為了彈出快速移動的八度音程，孩子必須將手掌勉力撐大、手腕緊繃；為了在瞬間做出強音，柔弱的小手也可能受傷。