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.
tabarani:11015Aḥmad b. al-Naḍr al-ʿAskarī > ʿAbd al-Raḥman b. ʿUbaydullāh al-Ḥalabī > Sufyān b. ʿUyaynah > ʿAbd al-Karīm > Ṭāwus > Ibn ʿAbbās

[Machine] "To place your hands on the back of your ankles between the prostrations."  

الطبراني:١١٠١٥حَدَّثَنَا أَحْمَدُ بْنُ النَّضْرِ الْعَسْكَرِيُّ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنِ عُبَيْدِ اللهِ الْحَلَبِيُّ ثنا سُفْيَانُ بْنُ عُيَيْنَةَ عَنْ عَبْدِ الْكَرِيمِ عَنْ طَاوُسٍ عَنِ ابْنِ عَبَّاسٍ ؓ قَالَ «§مِنَ السُّنَّةِ فِي الصَّلَاةِ

أَنْ تَضَعَ أَلْيَتَيْكَ عَلَى عَقِبَيْكَ بَيْنَ السَّجْدَتَيْنِ»