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.
A set of racing tires sits behind Mike Skinner's car in the garage area of Lowe's Motor Speedway near Charlotte, N.C. The tires for NASCAR cars cost $350 to $450 each. Todd Warshaw/ Â­Getty Images. Â­Interestingly, racing teams don't buy their tires.They lease them from Goodyear (the official tire supplier of NASCAR) on race day. Each team is allowed to lease 16 sets of four tires [source: Mackinnon ]. That means that each NASCAR Sprint Cup team invests around $20,000 on tires alone for each race.The chassis or body of a NASCAR race car is built for aerodynamics and safety, not comfort. There's only one seat (the driver's seat).ach team is allowed to lease 16 sets of four tires [source: Mackinnon ]. That means that each NASCAR Sprint Cup team invests around $20,000 on tires alone for each race. The chassis or body of a NASCAR race car is built for aerodynamics and safety, not comfort.