Objective: Determine the cause of the weakness that was present in the offensive skill performance, it was necessary to determine the rates of violations in skill performance. As the researchers didn’t find a scientific research that dealt with the ratios of the effect of violations offensive performance and the goal of the research is to determine the proportions and type of offensive violations skill performance of youth players in basketball, and setting especial exercises according to the quality and rate of offensive violations performance of youth basketball players as well as Identify the effect of special exercises in reducing the rate of violation in the offensive skill performance of youth basketball players.

Methods: Experimental approach in the design the two groups of pre and posttest was used for its suitability to the research type. The researchers chose a community and a sample of study by the complete census, which was represented by all youth players of Al-Hilla Sports Club 2018/2019, their total number were (12) players, and they were divided into two equal groups, control and the experimental group, (6) players for each, tests were conducted from 2/11/2018 to 6/6/2019 at Martyr Hamza Nuri Sport Hall Babylon. The researchers used some means and tools, (Arabic and foreign sources and references, Observation, score box, Computer and CDs), that helped in set up the research.

Conclusions: There were a variation and difference in the percentages of the type of offensive violation performance of the players and special exercises have a positive effect in developing and reducing the percentages of offensive violation.