Glenohumeral and Hip Range of Motion in Youth Softball Athletes

Kenzie Friesen; Jessica Downs; Kyle Wasserberger; David Shannon; Gretchen D. Oliver

doi:10.1055/a-1019-7742

International Journal of Sports Medicine, Inhaltsverzeichnis

Int J Sports Med 2020; 41(01): 59-64
DOI: 10.1055/a-1019-7742

Orthopedics & Biomechanics

Glenohumeral and Hip Range of Motion in Youth Softball Athletes

Autor*innen

Kenzie Friesen

¹School of Kinesiology, Auburn University, Auburn, United States
Jessica Downs

¹School of Kinesiology, Auburn University, Auburn, United States
Kyle Wasserberger

¹School of Kinesiology, Auburn University, Auburn, United States
David Shannon

¹School of Kinesiology, Auburn University, Auburn, United States
Gretchen D. Oliver

¹School of Kinesiology, Auburn University, Auburn, United States

Abstract

The purpose of this study was to compare measures of bilateral shoulder and hip range of motion (ROM) between youth softball pitchers and position players. Fifty-two youth softball athletes (12.7±2.1 yrs.; 160.28±10.98 cm; 59.31±15.07 kg) participated. Bilateral hip and shoulder ROM were measured among pitchers (n=29) and position players (n=23). A 2 (pitcher/position player) × 2 (dominant/non-dominant) ANOVA was performed for both internal and external rotation ROM for the shoulder and hip. Paired sample t-tests were also conducted to examine side-to-side differences in total ROM. Data revealed a significant interaction between position and side dominance. Specifically, position players have significantly more non-dominant shoulder external rotation ROM (106.92°± 9.14°) than pitchers (100.12°± 11.21°). There were no significant differences between throwing and non-throwing sides. It is important that coaches and clinicians are aware of these adaptations between overhand and underhand throwing in order to properly develop conditioning and rehabilitation programs to alleviate injury susceptibility and cater to position-specific demands. Additionally, the current data suggest many of the functional adaptations seen within older populations are not fully developed until after youth.

Key words

fastpitch softball - hip rotation - shoulder rotation - sports medicine

Volltext

Referenzen

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