Hadith 809
حَدَّثَنَا
قَبِيصَةُ ، قَالَ : حَدَّثَنَا
سُفْيَانُ ، عَنْ
عَمْرِو بْنِ دِينَارٍ ، عَنْ
طَاوُسٍ ، عَنِ
ابْنِ عَبَّاسٍ ، " أُمِرَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنْ يَسْجُدَ عَلَى سَبْعَةِ أَعْضَاءٍ ، وَلَا يَكُفَّ شَعَرًا وَلَا ثَوْبًا الْجَبْهَةِ وَالْيَدَيْنِ وَالرُّكْبَتَيْنِ وَالرِّجْلَيْنِ " .
Narrated Ibn `Abbas: The Prophet was ordered (by Allah) to prostrate on seven parts and not to tuck up the clothes or hair (while praying). Those parts are: the forehead (along with the tip of nose), both hands, both knees, and (toes of) both feet.
Hadith 810
Narrated Ibn `Abbas: The Prophet said, "We have been ordered to prostrates on seven bones and not to tuck up the clothes or hair."
Hadith 811
Narrated Al-Bara' bin `Azib: (He was not a liar) We used to pray behind the Prophet and when he said, "Sami`a l-lahu liman hamidah", none of us would bend his back (to go for prostration) till the Prophet had placed his, forehead on the ground.