Put both your hands on the ground just beside your chest, stretch your legs and put your feet on the ground with only your toes.
・「手を胸のすぐ横につき」
"Put both your hands on the ground just beside your chest,"
(両手を胸のすぐ横で地面に置き)
・「両足を伸ばし」
"stretch your legs" (両方の脚を伸ばして)
・「つま先だけをつける」
"put your feet on the ground with only your toes"
(つま先だけで両足を地面につける)
1つずつ「地面に」を補足しながら英訳しました。
説明頑張ってください!