וְהִנֵּה־יָ֖ד נָ֣גְעָה בִּ֑י וַתְּנִיעֵ֥נִי עַל־בִּרְכַּ֖י וְכַפּ֥וֹת יָדָֽי׃
And, behold, a hand touched me, which set me tottering upon my knees and upon the palms of my hands.
Read kabbalistic (mystical) interpretation of Daniel 10:10: and classical mystical sources.