Sahih Bukhari
Sahih Bukhari Volume 002, Book 022, Hadith Number 300.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 22. Actions While Praying
Narated By 'Aisha : I used to stretch my legs towards the Qibla of the Prophet while he was praying; whenever he prostrated he touched me, and I would withdraw my legs, and whenever he stood up, I would restretch my legs.