Arabic (Original)
أَخْبَرَنَا أَبُو عَبْدِ اللهِ أنبأ أَبُو بَكْرٍ أنبأ عَبْدُ اللهِ ثنا هَنَّادٌ ثنا عَبْدَةُ عَنْ عُبَيْدِ اللهِ بْنِ عُمَرَ عَنْ نَافِعٍ أَنَّ ابْنَ عُمَرَ كَانَ إِذَا سَجَدَ وَعَلَيْهِ الْعِمَامَةُ يَرْفَعُهَا حَتَّى يَضَعَ جَبْهَتَهُ بِالْأَرْضِ البيهقي ٢٦٦١: عن
English Translation
Jabir narrated: "I stood on the Prophet's left side. He turned me to his right. Then Jabbar came and stood on the Prophet's left, so the Prophet took us both and pushed us behind him." This showed that two people stand behind the imam.