Therefore...

[37] VERSES 42 & 43 يَوْمَ يُكْشَفُ عَنْ سَاقٍ وَيُدْعَوْنَ إِلَى السُّجُودِ فَلَا يَسْتَطِيعُونَ {42} On the Day He would Uncover from a side (Janbullah), and they would be called to do the Sajdah, but they will not be able to [68:42] NB: Muslims have mostly translated 68:42 as: Some day when their shinbone will be laid bare and they will be called upon to bow down on their knees, and they will not manage to – T.B. Irvin.

[38] خَاشِعَةً أَبْصَارُهُمْ تَرْهَقُهُمْ ذِلَّةٌ ۖ وَقَدْ كَانُوا يُدْعَوْنَ إِلَى السُّجُودِ وَهُمْ سَالِمُونَ {43} Their visions humbled, humiliation having tired them, and they had been called to the Sajdah while they were safe (and sound) [68:43] ابن بابويه، قال: حدثنا علي بن أحمد بن محمد بن عمران الدقاق (رحمه الله)، قال: حدثنا محمد ابن أبي عبد الله الكوفي، قال: حدثنا محمد بن إسماعيل البرمكي قال: حدثنا الحسين بن الحسن، عن بكر، عن الحسين بن سعيد، عن أبي الحسن (عليه السلام)، في قوله عز و جل: يَوْمَ يُكْشَفُ عَنْ ساقٍ وَ يُدْعَوْنَ إِلَى السُّجُودِ، قال: «حجاب من نور يكشف فيقع المؤمنون سجدا، و تدمج أصلاب المنافقين فلا يستطيعون السجود Ibn Babuwayh said, ‘Ahmad Bin Muhammad Bin Umran Al-Daqaq narrated to us, from Muhammad Ibn Abu Abdullah Al-Kufy, from Muhammad Bin Ismail Al-Barmakky, from Al-Husayn Bin Al-Hassan, from Bakr, from Al-Husayn Bin Saeed, who has narrated: ‘Abu Al-Hassan -asws regarding the Words of the Mighty and Majestic: On the Day He would Uncover from a side, and they would be called to do the Sajdah [68:42] , he -asws said: ‘A Veil of Noor (Light) would be Uncovered, so the Momineen would fall down in Sajdah, and the backbones of the hypocrites would stiffen so they would not be able to do Sajdah’.