when one of you prostrates himself, he should not stretch out his forearms( on the ground) like a dog and he should join both of his thighs.  

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا سَجَدَ أَحَدُكُمْ فَلاَ يَفْتَرِشْ يَدَيْهِ افْتِرَاشَ الْكَلْبِ وَلْيَضُمَّ فَخِذَيْهِ  

The Messenger of Allah ﷺ said: “When anyone of you prostrates let him be balanced in prostration, and not spread his arms as a dog does.”  

رَسُولُ اللَّهِ ﷺ إِذَا سَجَدَ أَحَدُكُمْ فَلْيَعْتَدِلْ وَلاَ يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ  

The Messenger of Allah ﷺ said: “When anyone of you prostrates let him be balanced in prostration, and not spread his arms as a dog does.” (Using translation from Ibn Mājah 891)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا سَجَدَ أَحَدُكُمْ فَلْيَعْتَدِلْ وَلَا يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ  

The Messenger of Allah ﷺ said: “When anyone of you prostrates let him be balanced in prostration, and not spread his arms as a dog does.” (Using translation from Ibn Mājah 891)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا سَجَدَ أَحَدُكُمْ فَلْيَعْتَدِلْ وَلَا يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ  

The Messenger of Allah ﷺ said: “When anyone of you prostrates let him be balanced in prostration, and not spread his arms as a dog does.” (Using translation from Ibn Mājah 891)   

قَالَ رَسُولُ اللهِ ﷺ إِذَا صَلَّى أَحَدُكُمْ فَلَا يَفْتَرِشْ ذِرَاعَيْهِ افْتِرَاشَ الْكَلْبِ  

when one of you prostrates himself, he should not stretch out his forearms( on the ground) like a dog and he should join both of his thighs. (Using translation from Abū Dāʾūd 901)   

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «إِذَا سَجَدَ أَحَدُكُمْ فَلَا يَفْتَرِشِ افْتِرَاشَ الْكَلْبِ وَلْيَضُمَّ فَخِذَيْهِ»  

Anas reported the Messenger of Allah ﷺ as saying; Adopt a moderate position when prostrating yourselves, and see that none of you stretches out his forearms(on the ground) like a dog. (Using translation from Abū Dāʾūd 897)   

"إذا سَجَدَ أحدُكْم فليَعْتَدِلْ، ولا يفترشْ ذِرَاعَيه افتراشَ الكلبِ".