88 - Chapter: Straightening the Back in Bowing (Rukūʿ)

1027 - Qutaybah ibn Saʿīd informed us, saying: al-Fuḍayl ibn ʿIyāḍ narrated to us, from al-Aʿmash, from ʿUmārah ibn ʿUmayr, from Abū Maʿmar, from Abū Masʿūd, who said: The Messenger of Allah ﷺ said: "The prayer of a man is not complete unless he straightens his back in bowing (rukūʿ) and prostration (sujūd)."

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Al-Dāraquṭnī declared its chain of transmission authentic in al-ʿIlal (2/382), and said: It contains a wording that is not preserved, namely his statement: "then he did not repeat it."

Ibn ʿAbd al-Barr mentioned in al-Tamhīd (9/219) that ʿĀṣim ibn Kulayb was alone in narrating it, and there was disagreement over its wording. Sometimes he would say: "then he does not return," and sometimes he would say: "he did not raise his hands except once," and he only says this on his own accord, because Ibn Idrīs narrated it from ʿĀṣim ibn Kulayb and did not add beyond saying: he said the takbīr and raised his hands, then bowed... And Aḥmad declared the ḥadīth weak.

Ibn Abī Ḥātim asked his father about this ḥadīth, as recorded in al-ʿIlal (258), and he said: This is an error; it is said that al-Thawrī erred in it. A group narrated this ḥadīth from ʿĀṣim, and they all said: The Prophet ﷺ began the prayer and raised his hands, then bowed, and placed his hands between his knees, and no one said what al-Thawrī narrated.

See also the commentary of Shaykh Aḥmad Shākir on the ḥadīth of al-Tirmidhī (257), and the commentary on the ḥadīth of Musnad Aḥmad (3681).

(1) His statement: ibn Saʿīd, from (R) and (M).
(2) His statement: ibn ʿIyāḍ, from (K) and (M).
(3) Its chain of transmission is authentic. al-Aʿmash: he is Sulaymān ibn Mihrān. Abū Maʿmar: he is ʿAbdullāh ibn Sakhbarah. Abū Masʿūd: he is ʿUqbah ibn ʿAmr al-Badrī. It is in al-Sunan al-Kubrā under number (1101).
It was also narrated by Aḥmad (17073), (17103), and (17104), Abū Dāwūd (855), al-Tirmidhī (265), Ibn Mājah (870), and Ibn Ḥibbān (1892) and (1893) through various paths from al-Aʿmash, with this chain. Al-Tirmidhī said: A ḥasan ṣaḥīḥ ḥadīth.
It will come later under number (1112) via the path of ʿĪsā ibn Yūnus, from al-Aʿmash, with it.
Al-Sindī said: His statement "does not straighten" means: does not make upright nor level. The intent is tranquility (ṭumaʾnīnah) in bowing and prostration, and for this reason the majority (jumhūr) held that tranquility is obligatory.