Explosive power in basketball is manifested through various variants of jumps, starting acceleration, sudden changes in direction, deceleration, sudden stops and passing. The aim of this research is to identify and sum up the relevant literature published in the period from 2000 to 2019, focusing on the explosive power of basketball players, and to explain relations between training programs and explosive power development. The results confirmed that explosive power is a significant characteristic of professional basketball players and one of the most important factors for achieving top results. The results show that in spite of the inborn coefficient, the development of explosive power can be realized through planned, rational and well-organized training. A positive correlation was determined between explosive power and running at short distances, jumps and throwing, as well as between explosive power and lean body mass in basketball players of different ages. It is necessary to give greater attention to the training of explosive power, because it is an effective means that contributes to the efficiency of the basketball player.
Chemical peeling implies the application of a chemical agent to the skin, which causes controlled destruction of a part or the entire epidermis, with or without the dermis, leading to exfoliation and removal of superficial lesions, followed by regeneration of new epidermal and dermal tissues. The present study was directed toward safety concerns associated with superficial chemical peeling with glycolic acid (GA) in different concentrations at patients with acne tip I. A sample of 90 patients of either sex, aged between 17 to 21 years, were included in the study and submitted to superficial chemical peeling for acne vulgaris. The study lasted eight weeks and peeling sessions were carried out in each patient. Tolerance to the procedure and any undesirable effects noted during these sessions were recorded. For data statistical analysis and interpretation of results, software program "SPSS version 13" was used. Results were expressed through the descriptive statistics, as simple frequencies and percentages, while for establishing of statistically significant differences, in use was Friedman's test of significance. Almost all the patients tolerated the procedure well. Of totally 90 patients, only six, at the end of therapy experienced hard erythema, only ten, at the end of therapy experienced hard desquamation and only eleven, at the end of therapy experienced hard sensation of pulling of facial skin. Chemical peeling with glycolic acid is a well tolerated and safe treatment modality in acne type I.
The primary aim of this study was to determine the kinematic parameters of the jump shot in elite male basketball players, by analyzing the release time for shooting, the angle of entry, and ball spin. The secondary aim of this study was to examine possible differences in these kinematic parameters among the players associated with their playing position. Eighteen male basketball players (7 guards, 8 forwards, 3 centers) from six Serbian senior teams were tested. The 94Fifty basketball sensor was used to obtain the kinematic parameters of the jump shot. The highest average measured values of shot release time were found in centres (1.23±0.23 s) and the lowest in guards (1.07±0.28 s), although these differences were not statistically significant. Furthermore, centres had a lower angle of entry (36.6±2.08°) than guards (40.54±4.76°) and forwards (42.05±3.77°). The highest value of the backspin was obtained by forwards (130±11.91 rotations/min). There were no significant differences between guards, forwards and centers in any of the kinematic variables (p>.01). The relationship between body height and angle of entry was not significant (p>0.05). In conclusion, compared to centers, guards and forwards showed similar results for the examined variables. This evidence seems to support the theory that compared to guards and forwards centres have the weaker shooting techniques. Coaches should encourage all players, especially centers, to shoot from all positions.
The aim of this study was to determine the influence of the specific training program on the kinematic parameters of made jump shots in basketball. Participants were 31 basketball players, aged 15.32±0.65. All participants trained according to a specific training program for 10 weeks. Data obtained at the initial and final measurements were processed by nonparametric statistics. Data processing was carried out in the direction of determining the difference in kinematic parameters within the group between the initial and final measurements. After that, the level of impact of a specific training program on the mentioned parameters was determined. The obtained results indicated that there are differences between initial and final measurements in eight out of 10 (80%) kinematic parameters and the influence of the specific training program existed in the same eight (80%) kinematic parameters.
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