TY  - JOUR
AU  - Butler, Robert J.
A2  - Butler, Robert J.
A2  - Bullock, Garrett
A2  - Arnold, Todd
A2  - Plisky, Phillip
A2  - Queen, Robin
DB  - BISp
DP  - BISp
KW  - Analyse
KW  - Balance
KW  - Baseballspiel
KW  - College
KW  - Collegesport
KW  - Gleichgewichtstest
KW  - Gleichgewichtsvermögen
KW  - High School Sport
KW  - Messverfahren
KW  - Profisport
KW  - Sportler
KW  - Sportspiel
KW  - Sportspielforschung
KW  - Sportwissenschaft
KW  - Trainingswissenschaft
KW  - Untersuchung, vergleichende
KW  - Wettkampf
LA  - eng
TI  - Competition-level differences on the lower quarter Y-balance test in baseball players
TT  - Unterschiede bezogen auf das Wettkampflevel von Baseball-Spielern im unteren Viertel des Y-Balance-Tests
PY  - 2016
N2  - Context: Decreased performance in dynamic balance has previously been associated with a history of ulnar collateral ligament injury in baseball players. Previous research on dynamic balance in soccer players has shown that test performance depends on competition level. However, dynamic balance has yet to be examined in baseball players. Objective: To understand normative values and determine differences in dynamic balance, as measured by the Lower Quarter Y-Balance Test, across competition levels in baseball players. Design: Cross-sectional study. Setting: Preseason physical examinations. Patients or Other Participants: Dynamic balance was measured in 88 high school (HS), 78 collegiate (COL), and 90 professional (PRO) baseball players. Main Outcome Measure(s): All participants completed the Lower Quarter Y-Balance Test using the standard protocol. In unilateral stance, they reached with 1 foot in the anterior, posteromedial, and posterolateral directions. We calculated 1-way analyses of variance to compare performance, composite score, and reach asymmetry for each direction as well as the sum of the asymmetry values (P < .05). Composite score was calculated by averaging the maximum normalized reach scores. Reach asymmetry was determined by calculating bilateral differences in reach ability. Results: In comparison with the HS and COL groups, the PRO players exhibited greater posteromedial (P < .01; effect size index [ESI]HS = 1.06, ESICOL = 0.95) and posterolateral reach (P < .01; ESIHS = 0.82, ESICOL = 0.84) as well as a greater composite score (P < .01; ESIHS = 0.60, ESICOL = 0.87). In contrast, HS baseball players exhibited increased anterior reach (P < .01; ESICOL = 0.60, ESIPRO = 0.39) compared with the COL and PRO cohorts. No significant differences in reach asymmetry were observed among groups. Conclusions: Lower extremity dynamic balance performance differed based on the baseball players' competition level. These baseline data may be helpful in identifying low-performing athletes who might benefit from neuromuscular interventions.
L2  - http://natajournals.org/doi/pdf/10.4085/1062-6050-51.12.09
L2  - https://dx.doi.org/10.4085/1062-6050-51.12.09
DO  - 10.4085/1062-6050-51.12.09
SP  - S.  997-1002
SN  - 1062-6050
JO  - Journal of athletic training
IS  - 12
VL  - 51
M3  - Elektronische Ressource (online)
M3  - Gedruckte Ressource
ID  - PU201701000612
ER  -