A broken hip is caused by a break in not the pelvis but this other bone.
The vastus intermedius (VASS-tuss in-tur-MEE-dee-us) attaches to the linea aspera (LIN-ee-uh ass-PAIR-uh) on the posterior surface of this bone. Its lateral epicondyle (EP-uh-KON-"dial") attaches to both the popliteus (POP-lih-TEE-us) muscle and the fibular (FIB-you-lur) collateral ligament, while the medial epicondyle (EP-uh-KON-"dial") joins with the tibial collateral ligament. A broken hip is caused by a break in not the pelvis but this other bone. For 10 points, name this bone of the thigh, the longest bone in the body.
The vastus intermedius (VASS-tuss in-tur-MEE-dee-us) attaches to the linea aspera (LIN-ee-uh ass-PAIR-uh) on the posterior surface of this bone.
{femur} [prompt on {thighbone} before "{thigh}"]