And when he saw that he prevailed not against him, he touched the hollow of his thigh; and the hollow of Jacob's thigh was out of joint, as he wrestled with him.
All Commentaries on Genesis 32:25 Go To Genesis 32
George Leo Haydock
AD 1849
Sinew, near the coxendix, or huckel-bone. (Du Hamel)
This was to convince Jacob, how easily he could have gained the victory over him; and to make him remember, that it was not simply a vision, but a real wrestling. (Tirinus)