"I heard Al-Qasim saying: "Abdullah bin 'Abdullah informed me that he heard 'Abdullah bin 'Umar saying: "From the Sunnah of the prayer is to lay your left foot on the ground, and raise your right foot."
Sunan Abi Dawud Book 2, Hadith 570
← Previous Hadith "A Sunnah of the prayer is that you should raise your right foot, and make your left foot lie (on the ground)."

Sunan Abi Dawud Book 2, Hadith 569 Next Hadith → Hammad bin Zaid also said (the wording): "From the Sunnah" (narrating) from Yahya just as Jarir did.

Sunan Abi Dawud Book 2, Hadith 571