The purpose of this study was to investigate the reliability and validity of wheelchair basketball as motor difference performance of 20 disabled athletes practising wheelchair basketball. They resulted with variable classifications-point between 1 and 4.5 and had different positions. Pre-requisites were the different disabilities of the athletes, due to mobility impairment by traumatic injuries, polio, mutilations, and others, resulted compatible with the basketball practice. Aims were improving the percentage of shooting and passing by strengthening the upper limbs through specific exercises and the use of competition balls, medicine balls, and elastics fitband. The data were collected during two academic years at the Faculty of Sport Sciences (now the Department of Sport Sciences and Wellness) of the University of Naples Parthenope to evaluate the conditional and coordinative abilities used in passing and shooting in wheelchair basketball. The research carried out using an observation method and handwriting reporting-was made on a sample of 20 disabled athletes who already had experienced national wheelchair basket leagues and who belonged to the "CISS Basket Napoli" team, including athletes of the junior team. The study included initial, intermediate and final tests. The final output, recorded at the end of the second agonistic season, showed the improvement percentage of about 6, 5% validating a methodology based on supplementary training. The athletes of group B showed an incremented percentage and even some athletes of group A, determined to train with greater concentratio, showed improvements in their performances reaching higher points of percentage.
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