‏الصلاة : Hadeeth No:992 Ibn 'Abbas reported from the Prophet of Allaah (sallAllaahu alayhi wa sallam): I was commanded to prostrate myself on seven bones and not to fold back clothing or hair....

‏الصيام : Hadeeth No:2516 A hadith like this has been narrated on the authority of Ibn Shihab through the same chain of transmitters....