In evaluating the impact on forelimb kinetics during the swing phase of the trot, Hilary Clayton and other Michigan State University researchers found no significant differences between flat and egg bar shoes of the same weight.

Nearly one-third of all light trucks have at least one substantially under-inflated tire (8 pounds or more below the recommended tire pressure), creating the potential for deadly accidents. A survey by the National Highway Traffic Safety Administration demonstrated that 20 percent of all light trucks have two or more under-inflated tires.