Hadithcore
Sahih Muslim, 235b
sahih

This hadith is narrated by Amr b. Yahya with the same chain of transmitters, but there is no mention of ankles.

وَحَدَّثَنِي الْقَاسِمُ بْنُ زَكَرِيَّاءَ، حَدَّثَنَا خَالِدُ بْنُ مَخْلَدٍ، عَنْ سُلَيْمَانَ، - هُوَ ابْنُ بِلاَلٍ - عَنْ عَمْرِو بْنِ يَحْيَى، بِهَذَا الإِسْنَادِ نَحْوَهُ وَلَمْ يَذْكُرِ الْكَعْبَيْنِ ‏.‏

References2 variants
In-Book Reference
Book 2, Hadith 23
USC-MSA web (English) reference
Book 2, Hadith 454 (deprecated numbering scheme)