A data collection and display system for use in a combat sport including: i. A trunk protector for a combat sport participant, the trunk protector including: a. protective padding, b. at least one impact sensor, c. at least one microprocessor integral with the protective padding, for collecting and analyzing data from the at least one impact sensor, d. at least one display area, integral with the trunk protector, for displaying information related to the combat sport and combat sport participant； and an energy based method for scoring combat sports.
