Diogo Coutinho|Sara Santos|Bruno Gonçalves|Bruno Travassos|Del P. Wong|Wolfgang I. Schöllhorn|Jaime Sampaio
The effects of an enrichment training program for youth football attackers
University of Trás-os-Montes and Alto Douro|University of Trás-os-Montes and Alto Douro|Instituto Superior da Maia|University of Trás-os-Montes and Alto Douro|University of Beira Interior|Shandong Sport University|Johannes Gutenberg University Mainz|University of Trás-os-Montes and Alto Douro
aim study identify effects complementary training program based differential learning approach physical technical creative positioning performance youth football attackers fifteen players allocated control u15c 9 age 13905 years u17c 6 age 16107 years experimental u15e 9 age 14208 years u17e 6 age 15805 years groups experimental groups participated 10weeks complementary training program based differential learning approach improve physical literacy players tactical behavior variables studied encompassed motor vertical jump speed repeated changeof direction technical pass dribble shot creative fluency attempts versatility positioningrelated variables stretch index spatial exploration index regularity lateral longitudinal movements results revealed u15e improved jump repeated changeofdirection performance u17e improved jump performance u15e showed improvements technical variables small large effects fluency versatility moderate effects u17 improved successful shots large effects positional perspective moderate increase stretch index decreased longitudinal lateral regularity small moderate effects u15e compared u15c turn u17e revealed moderate increase spatial exploration index small decrease stretch index overall results suggest complementary training program effective development overall performance u15e attackers time andor variability may needed older age groups nevertheless overall higher values found experimental groups may suggest type complementary training program improves performance