Amir bin Sa'd [bin Abi Waqqas] narrated from his father: "The Prophet ordered placing the hands (on the ground) keeping the feet erect. (by resting feet on the toes and making the tips of the toes facing the Qiblah)"
HasanHasanBook 2 · Hadith 129
جامع الترمذي
Amir bin Sa'd [bin Abi Waqqas] narrated from his father: "The Prophet ordered placing the hands (on the ground) keeping the feet erect. (by resting feet on the toes and making the tips of the toes facing the Qiblah)"