Sayyiduna Hudhayfah (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) used to recite "Subhana Rabbiyal 'Azim wa bihamdih" three times in bowing (ruku'), and "Subhana Rabbiyal A'la" three times in prostration (sujud).

Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates: It is Sunnah that a person recites "Subhana Rabbiyal 'Azim wa bihamdih" in bowing (ruku') and "Subhana Rabbiyal A'la wa bihamdih" in prostration (sajdah).

Sayyiduna Ali bin Abi Talib (may Allah be pleased with him) narrates: When the Prophet Muhammad (peace and blessings be upon him) would go into prostration during obligatory prayer, he would recite: "O Allah! I have prostrated for You, I have believed in You, and I have submitted to You. You are my Lord. My face is prostrated before the One who created it, shaped it, and granted it hearing and sight. So blessed is Allah, the Best of Creators." When the Prophet Muhammad (peace and blessings be upon him) would go into bowing (ruku'), he would recite: "O Allah! I have bowed for You alone, I have believed in You, I have submitted to You. You are my Lord. My hearing, my sight, my brain, my bones, my entire being is humbled before Allah, the Lord of all the worlds." When the Prophet Muhammad (peace and blessings be upon him) would raise his head from bowing during obligatory prayer, he would recite: "O Allah, O our Lord! All praise is exclusively for You, praise that fills the heavens, fills the earth, and fills whatever else You will." The chain of this narration is authentic and good.

It is narrated through another chain of transmission, in which these words are mentioned: When the Prophet (peace and blessings be upon him) would go into bowing (ruku‘), in this narration specifically the act of bowing is mentioned, and other things are not mentioned. In another narration, these words are mentioned: My bones and my tendons.

Sayyiduna Jubayr bin Mut'im (may Allah be pleased with him) narrates: When the Prophet (peace and blessings of Allah be upon him) would go into bowing (ruku'), he would recite "Subhana Rabbiyal 'Azim" three times.

Ubaydullah bin Abdullah (may Allah have mercy on him) narrates from his father: I remember this about the Noble Prophet (peace and blessings of Allah be upon him) that he (peace be upon him) used to recite "Subhana Rabbiyal Azim" three times in bowing (ruku).

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) said: "When a person performs ruku‘, he should recite the tasbih three times, because he will be reciting tasbih with his body, and along with him, three hundred and thirty-three bones and three hundred and thirty-three veins will be glorifying Allah."

Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) said: "When a person recites 'Subhana Rabbiyal Azim' three times in bowing (ruku'), his ruku' will be complete; this is its minimum amount. Glorified is the One who is free from all defects, who is the Lord of the angels and Jibreel (Gabriel), the trustworthy."

Lady Aisha (may Allah be pleased with her) narrates: The Noble Prophet (peace and blessings be upon him) used to recite this supplication in bowing (ruku):...

The narrator says: I asked Sulaiman bin Harb: Shu’bah has narrated this statement; Hisham narrated this to me, he said: He has narrated this very statement.