On the first beat, lift your right leg slightly in front of your left tiptoe, with your right foot sole facing your left toe.
When you lift your toe like that, try to lift it high enough so it would hit your right bottom.
On the second beat, place your right foot back to where it was.
On the first beat, lift your right leg up in front of your left tiptoe, with your right foot sole facing your left toe. When you lift your toe like that, try to lift it high enough so it would hit your right bottom. On the second beat, place your right foot back to where it was.
拍子というのは、beatと訳しました。
また、内またという表現は、right foot sole facing your left toeというように、右足裏が左のつま先に向くようにというように表現しました。
ご参考になれば幸いです。
日本 
