title: Validity of the V-cut Test for Young Basketball Players.
abstract: The aim of the present study was to assess the reliability, usefulness, validity, age-related differences and responsiveness of a 25- m side-step cutting maneuver test (V-cut test). Fifty young male basketball players performed the V-cut test on 2 occasions separated by 5-7 days to assess test-retest reliability and determine a priori usefulness. Twenty subjects also completed both the L-Run and 505 test to analyze the possible relationships among these 3 tests. Furthermore, 33 players performed the V-cut test 4 times throughout the season to analyze responsiveness. Finally, 53 players (U-14 to U-20) were assessed in the V-cut test to examine the age-related differences. Reliability scores showed high intraclass correlation coefficient (ICC=0.90) and low coefficient of variation (CV=1.4%). The responsiveness of the V-cut test was good, as the typical short- (1.5-1.7%), mid- (1.6-3.1%) and long-term (3.3%) changes in V-cut performance were higher than the CV. Low (r=0.64; CL90%: 0.34; 0.82) to moderate (r=0.76; CL90%: 0.53; 0.88) relationships were found between the V-cut test with the 505 and L-Run test, respectively. Age-related differences analysis showed better V-cut test performance as age increased in adolescent basketball players. The V-cut test is reliable to assess change of direction ability (CODA) and it could be used to monitor CODA in adolescent basketball players.
authors.affiliation: Faculty of Health Sciences, University of San Jorge, Zaragoza, Spain.
authors.forename: O
authors.initials: O
authors.lastname: Gonzalo-Skok
authors.affiliation: Departament of Strength and Conditioning, Italian National Team (FIGC), CTF Coverciano, Italy.
authors.forename: J
authors.initials: J
authors.lastname: Tous-Fajardo
authors.affiliation: Faculty of Sport, Pablo de Olavide University, Sevilla, Spain.
authors.forename: L
authors.initials: L
authors.lastname: Suarez-Arrones
authors.affiliation: Faculty of Health Sciences, University of San Jorge, Zaragoza, Spain.
authors.forename: J L
authors.initials: JL
authors.lastname: Arjol-Serrano
authors.affiliation: Department of Nursery and Physiatry, Zaragoza University, Zaragoza, Spain.
authors.forename: J A
authors.initials: JA
authors.lastname: Casajús
authors.affiliation: ASPIRE Academy, Doha, Qatar.
authors.forename: A
authors.initials: A
authors.lastname: Mendez-Villanueva
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001490:Basketball / Q000502:physiology*; D003163:Competitive Behavior / Q000502:physiology; D005080:Exercise Test / Q000379:methods*; D006801:Humans; D008297:Male; D009048:Motor Skills / Q000502:physiology*; D010806:Physical Education and Training; D015203:Reproducibility of Results; D055815:Young Adult