'Knees' in the Bible

And they smote his head with a reed, and spat upon him, and bowing their knees worshipped him.

But Simon Peter, when he saw it, fell down at Jesus knees, saying, Depart from me; for I am a sinful man, O Lord.

For this cause I bow my knees unto the Father,

Wherefore lift up the hands that hang down, and the palsied knees;