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This study investigated the hierarchical structure of physical characteristics in elite young (i.e., U17-U19) basketball players according to playing positions. In addition, their predictive value of physical characteristics was determined for the evaluation of players' physical preparedness. Sixty elite male basketball players performed 13 standardized specific field tests in order to assess the explosive power of lower limbs, speed, and change-of-direction speed. They were divided into three groups according to playing positions (guard [ n = 28], forward [ n = 22], center [ n = 10]). The basic characteristics of the tested sample were: age = 17.36 ± 1.04 years, body height = 192.80 ± 4.49 cm, body mass = 79.83 ± 6.94 kg, and basketball experience = 9.38 ± 2.10 years for guards; age = 18.00 ± 1.00 years, body height = 201.48 ± 3.14 cm, body mass = 90.93 ± 9.85 kg, and basketball experience = 9.93 ± 2.28 years for forwards; and age = 17.60 ± 1.43 years; body height = 207.20 ± 3.29 cm, body mass = 104.00 ± 9.64 kg, and basketball experience = 9.20 ± 1.62 years for centers. For all playing positions factor analysis extracted three factors, which cumulatively explained 76.87, 88.12 and 87.63% of variance, respectively. The assessed performance measures were defined as significant ( p < 0.001), with regression models of physical performance index (PP INDEX ). PP INDEX of guards = -6.860 + (0.932 × t -test) - (1.656 × Acceleration 15 m) - (0.020 × Countermovement jump); PP INDEX of forwards = -3.436 - (0.046 × Countermovement jump with arm swing) - (1.295 × Acceleration 15 m) + (0.582 × Control of dribbling); PP INDEX of centers = -4.126 + (0.604 × Control of dribbling) - (1.315 × Acceleration 15 m) - (0.037 × Sargent jump). A model for the evaluation of physical performance of young basketball players has been defined. In addition, this model could be used as a reference model for selection procedures, as well as to monitor the efficacy of applied training programmes within the short, medium and long-term periodization.

The purpose of study was to explore the influence of equipment dimensions on shooting accuracy in children's basketball through the effects of (a) using basket height and ball size for children and adult, along with different shooting distances (Study 1) and (b) the applied 12-week shooting training with different ball sizes (Study 2). The participants were basketball players from the same club ages from 10 to 11 years and with at least one-year basketball training experiences. In Study 1, we recruited 22 children; while in Study 2 we selected 36 children in two experimental (practice with balls for adults and children) and one control group (no practice). Shooting accuracy was assessed through the static and dynamic trials. The obtained results showed that children equipment provided no acute advantages compared to the adult equipment in terms of shooting accuracy either in static or dynamic conditions. In addition, we found no benefits on shooting accuracy when compared the effects of applied shooting training either for practice with children's or adult's ball sizes. The present findings suggested that the applied manipulations of equipment for children and adult produce no differences in terms of static or dynamic shooting accuracy performances in young basketball players.

A graded shuttle run test was used to assess differences in physiological parameters between playing positions in elite female basketball players. Twenty-four female basketball players (8 guards, 8 forwards, and 8 centers) who played for the senior national teams of Slovenia and Serbia were tested with the 30-15 intermittent fitness test. During the shuttle run, the following physiological parameters were measured: oxygen consumption ((Equation is included in full-text article.)), carbon dioxide production ((Equation is included in full-text article.)), pulmonary ventilation (VE) breath by breath, respiratory quotient, oxygen pulse as the (Equation is included in full-text article.)vs. HR ratio and [LA]. No significant differences were found for any of the measures between the 3 playing positions. Although this finding was surprising, future studies should try to determine whether the tactics used in female basketball determine that the interpositional differences seen in male basketball are not evident.