Straight axle type drive axles spin inside of a tube called the axle housing, which contains the differential in the center, both right and left axles, and wheel bearings. Unlike a straight rear axle, the front axle must bend to allow the wheel to turn. This bending is accomplished using a universal joint.
Jones beats Sonnen, breaks toe. Jon Jones ended the night on a stool, the victim of one of the several odd injuries at UFC 159. Fortunately for Jones, he was smiling through the pain with the UFC light heavyweight belt secured to his waist after a first-round TKO victory over Chael Sonnen at Prudential Center early Sunday morning.
Dean Leysen, Training Brazilian jiu-jitsu, limited experience in Judo and Muay Thai. There are strict rules today for UFC fighters, indeed. They are required to wear UFC gloves, and approved clothing - as opposed to the first few UFC events where fighters could choose to wear a gi for instance or fight without gloves. These regulations make the sport safer for the athletes. It wasn't unheard of in the first UFC events for people to lose teeth or get seriously injured.