The purpose of this study was to investigate the nutrient intakes and serum enzyme activities associated with muscular damage in 26 male collegiate karate players. The subjects were divided into 2 groups: black belt group (BB Group; n=16) and white belt group (WB Group; n=10). The results were summarizedas follows: 1) 57.7% of the subjects have been skipping more than one meal during the 3-day diet recording period. 2) The mean intakes of both groups did not reach the recommended dietary allowances for energy, fat and all the minerals and vitamins except for vitamin C for the WB Group. Only...