Genesis 32:32
Therefore the children of Israel eat not of the sinew which shrunk, which is upon the hollow of the thigh, to this day; because he touched the hollow of Jacob's thigh in the sinew that shrunk.Therefore the children of Israel eat not of the sinew which shrunk, which is upon the hollow of the thigh, to this day; because he touched the hollow of Jacob's thigh in the sinew that shrunk.