'Knees' in the Bible

his face turned pale, and his thoughts so terrified him that his hip joints shook and his knees knocked together.

When Daniel learned that the document had been signed, he went into his house. The windows in its upper room opened toward Jerusalem, and three times a day he got down on his knees, prayed, and gave thanks to his God, just as he had done before.

Suddenly, a hand touched me and raised me to my hands and knees.