This can be stated in active form. Alternate translation: "he struck Jacob's hip and dislocated it" or "he struck Jacob's hip and injured it" (See: [[rc://en/ta/man/jit/figs-activepassive]])
Possible meanings are that 1) the top of Jacob's leg bone moved out of the hole in the hip where it normally is, or 2) a muscle or something that attaches the top of the leg to the hip was torn.