Messenger of Allah ﷺ fell from a horse and got injured so he led the prayer sitting and we also prayed sitting. When he completed the prayer he said, "The Imam is to be followed; if he says Takbir then say Takbir, bow if he bows; raise your heads when he raises his head, when he says, 'Samiʿa l-lahu liman hamidah say, 'Rabbana laka l-hamd', and prostrate when he prostrates."  

أَنَّهُ قَالَ خَرَّ رَسُولُ اللَّهِ ﷺ عَنْ فَرَسٍ فَجُحِشَ فَصَلَّى لَنَا قَاعِدًا فَصَلَّيْنَا مَعَهُ قُعُودًا ثُمَّ انْصَرَفَ فَقَالَ إِنَّمَا الإِمَامُ أَوْ إِنَّمَا جُعِلَ الإِمَامُ لِيُؤْتَمَّ بِهِ فَإِذَا كَبَّرَ فَكَبِّرُوا وَإِذَا رَكَعَ فَارْكَعُوا وَإِذَا رَفَعَ فَارْفَعُوا وَإِذَا قَالَ سَمِعَ اللَّهُ لِمَنْ حَمِدَهُ فَقُولُوا رَبَّنَا لَكَ الْحَمْدُ وَإِذَا سَجَدَ فَاسْجُدُوا  

[Machine] The Messenger of Allah ﷺ taught us our prayers and Sunnahs, and he said, "Indeed, the imam is to be followed. So when he says 'Allahu Akbar,' say 'Allahu Akbar,' and when he says, 'not of those who have evoked [Your] anger or of those who are astray' [Al-Fatiha 7], say 'Ameen,' as Allah, the Most High, will answer your supplication. And when he bows, bow, and when he raises his head, raise yours, and when he says, 'Allah hears whoever praises Him,' say, 'Our Lord, to You is all praise,' as Allah hears you. And when he prostrates, prostrate, and when he raises his head, raise yours. Indeed, the imam prostrates before you and raises before you." The Messenger of Allah ﷺ said, "So do, as such is done."  

عَلَّمَنَا رَسُولُ اللهِ ﷺ صَلَاتَنَا وَسُنَّتَنَا فَقَالَ إِنَّمَا الْإِمَامُ لِيُؤْتَمَّ بِهِ فَإِذَا كَبَّرَ فَكَبِّرُوا وَإِذَا قَالَ {غَيْرِ الْمَغْضُوبِ عَلَيْهِمْ وَلَا الضَّالِّينَ} [الفاتحة 7] فَقُولُوا آمِينَ يُجِبْكُمُ اللهُ تَعَالَى وَإِذَا رَكَعَ فَارْكَعُوا وَإِذَا رَفَعَ فَارْفَعُوا وَإِذَا قَالَ سَمِعَ اللهُ لِمَنْ حَمِدَهُ فَقُولُوا رَبَّنَا لَكَ الْحَمْدُ يَسْمَعِ اللهُ لَكُمْ وَإِذَا سَجَدَ فَاسْجُدُوا وَإِذَا رَفَعَ فَارْفَعُوا؛ فَإِنَّ الْإِمَامَيَسْجُدُ قَبْلَكُمْ وَيَرْفَعُ قَبْلَكُمْ قَالَ رَسُولُ اللهِ ﷺ فَتِلْكَ بِتِلْكَ  

[Machine] The Messenger of Allah ﷺ taught us our prayers and rituals and he said, "The Imam should be followed in prayer. So when he says Takbir, say Takbir, and when he recites the verse {Not the way of those who earned Your anger, nor of those who went astray} [Al-Fatiha 7], say Ameen, for Allah will answer your supplication. And when he bows, bow, and when he raises his head, raise yours. And when he says, 'Allah hears him who praises Him,' say, 'O Allah, our Lord, praise be to You.' Allah will hear your supplication. And when he prostrates, prostrate, and when he raises his head, raise yours. The Imam prostrates before you and raises his head before you." The Messenger of Allah ﷺ said, "This is for you."  

عَلَّمَنَا رَسُولُ اللهِ ﷺ صَلَاتَنَا وَسُنَّتَنَا فَقَالَ إِنَّمَا الْإِمَامُ لِيُؤْتَمَّ بِهِ فَإِذَا كَبَّرَ فَكَبِّرُوا وَإِذَا قَالَ {غَيْرِ الْمَغْضُوبِ عَلَيْهِمْ وَلَا الضَّالِّينَ} [الفاتحة 7] فَقُولُوا آمِينَ يُجِبْكُمُ اللهُ تَعَالَى وَإِذَا رَكَعَ فَارْكَعُوا وَإِذَا رَفَعَ فَارْفَعُوا وَإِذَا قَالَ سَمِعَ اللهُ لِمَنْ حَمِدَهُ فَقُولُوا اللهُمَّ رَبَّنَا لَكَ الْحَمْدُ يَسْمَعِ اللهُ لَكُمْ وَإِذَا سَجَدَ فَاسْجُدُوا وَإِذَا رَفَعَ فَارْفَعُوا؛ فَإِنَّ الْإِمَامَ يَسْجُدُ قَبْلَكُمْ وَيَرْفَعُ قَبْلَكُمْ قَالَ رَسُولُ اللهِ ﷺ تِلْكَبِتِلْكَ