Özet:

Purpose: The examination of changes at some anthropometric characteristics and motor activities of volleyball players placing 10-12 age categories by infrastructure trainings performed periodically. Method: The twenty-nine soccer players from soccer school of Ordu Telekom Sport Club at Altınordu district of Ordu province joined to this study. The volleyball players performed trainings half-weekly throughout thirty-sixweek. Pre-test and post-test values of height, weight, triceps, suprailiac, subscapula and abdomen fat, biceps flexion and extension, chest, abdomen, hip, thigh and calf circumstance, upper extremity, upperarm, forearm, inferior extremity, thigh and leg length were measured by anthropometric measure set and fat percentage of body (BF%) and body mass index (BMI) were calculated by Yuhaz formula. The 20 m. sprint, ball throwing, standing long and vertical jump and flexibility tests were done as motor activity tests by Newtest test system. The difference between pre-test and post-test values was determined by Wilcoxon test at SPSS package programme. Results: The significant differences between pre-test and post-test, biceps flex, biceps ext, chest, abdomen, leg, hip and calf circumstance, inferior extremity and leg length, fat percentage of body (BF%), body mass index (BMI), vertical jump, horizontal jump, 20 m. sprint, flexibility and ball throwing values were determined (p<0.05). Conclusion: It was determined that volleyball infrastructure trainings performed periodically at children volleyball players placing at 10-12 age categories developed anthropometric characteristics, basic motor activity and performance values of them.

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