Allah's Apostle said, "It was said to Bani Israel, Enter the gate (of the town) with humility (prostrating yourselves) and saying: "Repentance", but they changed the word and entered the town crawling on their buttocks and saying: "A wheat grain in the hair."

While Allah's Apostle was prostrating (as stated below).

Narrated `Abdullah bin Mas`ud:

Once the Prophet was offering prayers at the Ka`ba. Abu Jahl was sitting with some of his companions. One of them said to the others, "Who amongst you will bring the Abdominal contents (intestines, etc.) of a camel of Bani so and so and put it on the back of Muhammad, when he prostrates?" The most unfortunate of them got up and brought it. He waited till the Prophet prostrated and then placed it on his back between his shoulders. I was watching but could not do any thing. I wish I had some people with me to hold out against them. They started laughing and falling on one another. Allah's Apostle was in prostration and he did not lift his head up till Fatima (Prophet's daughter) came and threw that (camel's Abdominal contents) away from his back. He raised his head and said thrice, "O Allah! Punish Quraish." So it was hard for Abu Jahl and his companions when the Prophet invoked Allah against them as they had a conviction that the prayers and invocations were accepted in this city (Mecca). The Prophet said, "O Allah! Punish Abu Jahl, `Utba bin Rabi`a, Shaiba bin Rabi`a, Al-Walid bin `Utba, Umaiya bin Khalaf, and `Uqba bin Al Mu'it [??] (and he mentioned the seventh whose name I cannot recall). By Allah in Whose Hands my life is, I saw the dead bodies of those persons who were counted by Allah's Apostle in the Qalib (one of the wells) of Badr.

`Abdullah bin Mas`ud said, "While Allah's Apostle was praying beside the Ka`ba, there were some Quraish people sitting in a gathering. One of them said, 'Don't you see this (who does deeds just to show off)? Who amongst you can go and bring the dung, blood and the Abdominal contents (intestines, etc.) of the slaughtered camels of the family of so and so and then wait till he prostrates and put that in between his shoulders?' The most unfortunate amongst them (`Uqba bin Abi Mu'ait) went (and brought them) and when Allah's Apostle prostrated, he put them between his shoulders. The Prophet remained in prostration and they laughed so much so that they fell on each other. A passerby went to Fatima, who was a young girl in those days. She came running and the Prophet was still in prostration. She removed them and cursed upon the Quraish on their faces. When Allah's Apostle completed his prayer, he said, 'O Allah! Take revenge on Quraish.' He said so thrice and added, 'O Allah! take revenge on `Amr bin Hisham, `Utba bin Rabi`a, Shaiba bin Rabi`a, Al-Walid bin `Utba, Umaiya bin Khalaf, `Uqba bin Abi Mu'ait and `Umar a bin Al-Walid." `Abdullah added, "By Allah! I saw all of them dead in the battle field on the day of Badr and they were dragged and thrown in the Qalib (a well) at Badr: Allah's Apostle then said, 'Allah's curse has descended upon the people of the Qalib (well).

When the Prophet (saws) finished two rak'ahs of an obligatory prayer, a man asked him: Messenger of Allah, has the prayer been shortened, or have you forgotten? he replied: I did not do all that. The people said: Messenger of Allah, you did that. Therefore, he offered another two rak'ahs or prayer and did not make two prostrations due to forgetfulness.

Abu Dawud said: This tradition has also been narrated by Dawud al-Hussain from Abu Sufyan, freed slave of Ibn Abi Ahmad on the authority of Abu Hurairah from the Prophet (saws). This version goes: He then made two prostrations while he was sitting after the salutation.

Hudhaifa saw a person who was not performing the bowing and prostration perfectly. He said to him, "You have not prayed and if you should die you would die on a religion other than that of Muhammad."

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.

Ibn Abbas reported the Prophet (saws) as saying: I have been commanded - according to the version of Hammad: Your Prophet (saws) was commanded - to prostrate on seven (bones), and not to fold back the hair or the clothing.

The Prophet led us in the Zuhr prayer, offering only two rak`at and then (finished it) with Taslim, and went to a piece of wood in front of the mosque and put his hand over it. Abu Bakr and `Umar were also present among the people on that day but dared not talk to him (about his unfinished prayer). And the hasty people went away, wondering. "Has the prayer been shortened" Among the people there was a man whom the Prophet used to call Dhul-Yadain (the longarmed). He said, "O Allah's Prophet! Have you forgotten or has the prayer been shortened?" The Prophet said, "Neither have I forgotten, nor has it been shortened." They (the people) said, "Surely, you have forgotten, O Allah's Apostle!" The Prophet said, Dhul-Yadain has told the truth." So the Prophet got up and offered other two rak`at and finished his prayer with Taslim. Then he said Takbir, performed a prostration of ordinary duration or longer, then he raised his head and said Takbir and performed another prostration of ordinary duration or longer and then raised his head and said Takbir (i.e. he performed the two prostrations of Sahu, i.e., forgetfulness).

The prayer time of danger should be offered in the following way: The imam should stand (for prayer) and a section of the people should stand along with him. The other section should stand facing the enemy. The imam should perform bowing and prostrate himself along with those who are with him. He then should stand (after prostration) and, when he stands straight, he should remain standing. They (the people) should (in the meantime) complete their remaining rak'ah (i.e. the second one). They they should utter the salutation, and turn away while the imam should remain standing. They should go before the enemy. Thereafter those who did not pray should come forward and utter the takbir (Allah is most great) behind imam. He should bow and prostrate along with them and utter the salutation. Then they should stand and completed their remaining rak'ah, and utter the salutation.

Abu Dawud said: The tradition reported by Yahya b. Sa'id from al-Qasim is similar to the one transmitted by Yazid b. Ruman except that he differed with him in salutation. The tradition reported by 'Ubaid Allah is like the one reported by Yahya b. Sa'id, saying: He (the Prophet) remained standing.

The people used to pray with the Prophet tying their Izars around their necks because of their small sizes and the women were directed that they should not raise their heads from the prostrations till the men had sat straight.

The Messenger of Allah (saws) sent me on some business, and when I came to him he was praying on (the back of) his riding beast (moving) towards the east and making the prostration lower than the bowing.

Allah's Apostle fell from a horse and the right side of his body was injured. We went to inquire about his health meanwhile it was time for the prayer and he led the prayer sitting and we also prayed while sitting. On completion of the prayer he said, "The Imam is to be followed; say Takbir when he says it; bow when he bows; rise when he rises and when he says "Sami`a l-lahu liman hamidah," say, "Rabbana wa laka l-hamd", and prostrate if he prostrates." Sufyan narrated the same from Ma`mar. Ibn Juraij said that his (the Prophet's) right leg had been injured.