Land all the soles of both feet on the ground.
・両足の靴底を全て着地
Start when one point of the sole leaves the floor.
・靴底が少しでも離れたらスタート
It is OK not to land on both feet at the same time.
・着地は両足同時でなくてOK
Goal with both feet on the ground.
・両足が着地でゴール
It is OK not to land on both feet at the same time.
・着地は両足同時でなくてOK