Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai:1157Qutaybah b. Saʿīd > al-Layth > Yaḥyá > al-Qāsim b. Muḥammad > ʿAbdullāh b. ʿAbdullāh b. ʿUmar from his father > In from Sunnah al-Ṣalāh

"One of the sunnahs of the prayer is to spread your left foot beneath you, and hold your right foot upright."  

النسائي:١١٥٧أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا اللَّيْثُ عَنْ يَحْيَى عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ أَنَّهُ قَالَ إِنَّ مِنْ سُنَّةِ الصَّلاَةِ

أَنْ تُضْجِعَ رِجْلَكَ الْيُسْرَى وَتَنْصِبَ الْيُمْنَى  


See similar narrations below:

Collected by Abū Dāwūd, Nasāʾī's Kubrá, Bayhaqī
abudawud:959Ibn Muʿādh > ʿAbd al-Wahhāb > Yaḥyá > al-Qāsim > ʿAbdullāh b. ʿAbdullāh > ʿAbdullāh b. ʿUmar > from Sunnah al-Ṣalāh

"I heard Al-Qasim saying: "Abdullah bin 'Abdullah informed me that he heard 'Abdullah bin 'Umar saying: "From the Sunnah of the prayer is to lay your left foot on the ground, and raise your right foot."  

أبو داود:٩٥٩حَدَّثَنَا ابْنُ مُعَاذٍ حَدَّثَنَا عَبْدُ الْوَهَّابِ قَالَ سَمِعْتُ يَحْيَى قَالَ سَمِعْتُ الْقَاسِمَ يَقُولُ أَخْبَرَنِي عَبْدُ اللَّهِ بْنُ عَبْدِ اللَّهِ أَنَّهُ سَمِعَ عَبْدَ اللَّهِ بْنَ عُمَرَ يَقُولُ مِنْ سُنَّةِ الصَّلاَةِ

أَنْ تُضْجِعَ رِجْلَكَ الْيُسْرَى وَتَنْصِبَ الْيُمْنَى  

nasai-kubra:747Qutaybah b. Saʿīd > al-Layth > Yaḥyá > al-Qāsim b. Muḥammad > ʿAbdullāh b. ʿAbdullāh b. ʿUmar from his father > In from Sunnah al-Ṣalāh

"I heard Al-Qasim saying: "Abdullah bin 'Abdullah informed me that he heard 'Abdullah bin 'Umar saying: "From the Sunnah of the prayer is to lay your left foot on the ground, and raise your right foot." (Using translation from Abū Dāʾūd 959)  

الكبرى للنسائي:٧٤٧أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا اللَّيْثُ عَنْ يَحْيَى عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ عَنْ عَبْدِ اللهِ بْنِ عَبْدِ اللهِ بْنِ عُمَرَ عَنْ أَبِيهِ أَنَّهُ قَالَ «إِنَّ §مِنْ سُنَّةِ الصَّلَاةِ

أَنْ تُضْجِعَ رِجْلَكَ الْيُسْرَى وَتَنْصِبَ الْيُمْنَى»  

bayhaqi:2777Abū Bakr b. al-Ḥasan al-Qāḍī And ʾAbū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-ʿAbbās b. Muḥammad al-Dūrī > Jaʿfar b. ʿAwn > Yaḥyá b. Saʿīd > al-Qāsim b. Muḥammad > ʿAbdullāh b. ʿAbdullāh b. ʿUmar from his father

"I heard Al-Qasim saying: "Abdullah bin 'Abdullah informed me that he heard 'Abdullah bin 'Umar saying: "From the Sunnah of the prayer is to lay your left foot on the ground, and raise your right foot." (Using translation from Abū Dāʾūd 959)   

البيهقي:٢٧٧٧أَخْبَرَنَا أَبُو بَكْرِ بْنُ الْحَسَنِ الْقَاضِي وَأَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو قَالَا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا الْعَبَّاسُ بْنُ مُحَمَّدٍ الدُّورِيُّ ثنا جَعْفَرُ بْنُ عَوْنٍ أنبأ يَحْيَى بْنُ سَعِيدٍ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ ثنا عَبْدُ اللهِ بْنُ عَبْدِ اللهِ بْنِ عُمَرَ عَنْ أَبِيهِ قَالَ إِنَّ مِنَ السُّنَّةِ فِي الصَّلَاةِ

أَنْ تُضْجِعَ رِجْلَكَ الْيُسْرَى وَتَنْصُبَ الْيُمْنَى