Also called swayback, the spine of a person with lordosis curves significantly inward at the lower back. Kyphosis. Kyphosis is characterized by an abnormally rounded upper back (more than 50 degrees of curvature). Scoliosis. A person with scoliosis has a sideways curve to their spine.
NASCAR Nextel cup race cars are very heavy and have about 750 horsepower. Other specifications include: Busch series race cars are similar to the Nextel cup cars. They have less horsepower due to the carburetor. They also have a shorter wheelbase and spoiler.
Dale Earnhardt Jr.'s pit crew install a new engine in his car during practice for the Amp Energy 500 on Oct. 3, 2008. NASCAR engines cost between $45,000 and $80,000. Â­To figure out exactly how much a NASCAR Sprint Cup race car costs, let's start with the heart of the machine: the engine. Even before the Car of Tomorrow, NASCAR officials established strict rules about the size and specifications of a legal racing engine.