Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers
# Background Limitations in passive hip range of motion (PROM) may negatively affect pitching mechanics in baseball pitchers. Understanding the relationships between PROM and mechanics can assist in the development of injury prevention protocols. # Purpose The purpose of this study was to examine...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
North American Sports Medicine Institute
2021-10-01
|
| Series: | International Journal of Sports Physical Therapy |
| Online Access: | https://doi.org/10.26603/001c.27625 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1825139382335569920 |
|---|---|
| author | Hillary A. Plummer Nicole M. Bordelon Kyle W. Wasserberger Tyler J. Opitz Adam W. Anz Gretchen D. Oliver |
| author_facet | Hillary A. Plummer Nicole M. Bordelon Kyle W. Wasserberger Tyler J. Opitz Adam W. Anz Gretchen D. Oliver |
| author_sort | Hillary A. Plummer |
| collection | DOAJ |
| description | # Background
Limitations in passive hip range of motion (PROM) may negatively affect pitching mechanics in baseball pitchers. Understanding the relationships between PROM and mechanics can assist in the development of injury prevention protocols.
# Purpose
The purpose of this study was to examine the association of hip rotational PROM with pelvis and trunk rotation during pitching in high school baseball pitchers.
Study Design: Cross-sectional.
# Methods
Twenty-five healthy high school baseball pitchers volunteered (15.9 ± 1.1 years; 180.4 ± 5.5 cm; 75.4 ± 9.3 kg). Seated passive hip internal rotation (IR) and external rotation (ER) PROM were measured using a digital inclinometer. Total PROM was calculated (IR+ER). Pitching biomechanical data were collected with a 3-dimensional electromagnetic tracking system while pitchers threw fastballs. Simple linear regressions were performed to examine the association between hip IR, ER, and total PROM with pitching kinematics at foot contact including stride length, pelvis rotation, and trunk rotation.
# Results
Only one significant association in PROM and kinematics was observed. Drive leg hip IR PROM was associated with trunk rotation angle [F(1,24) = 4.936, p = 0.036], with an R^2^ = 0.177. Drive leg total PROM was not associated trunk rotation angle [F(1,24) = 4.144, p = 0.053] with an R^2^ = 0.153.
# Conclusions
Increased drive leg hip IR PROM was associated with decreased trunk rotation towards home plate. Hip total PROM and ER were not related to pitching mechanics.
# Level of Evidence
2 |
| format | Article |
| id | doaj-art-317f67fdd9ca497cb3d2b8a157dff6fd |
| institution | Kabale University |
| issn | 2159-2896 |
| language | English |
| publishDate | 2021-10-01 |
| publisher | North American Sports Medicine Institute |
| record_format | Article |
| series | International Journal of Sports Physical Therapy |
| spelling | doaj-art-317f67fdd9ca497cb3d2b8a157dff6fd2025-02-11T20:28:27ZengNorth American Sports Medicine InstituteInternational Journal of Sports Physical Therapy2159-28962021-10-01165Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball PitchersHillary A. PlummerNicole M. BordelonKyle W. WasserbergerTyler J. OpitzAdam W. AnzGretchen D. Oliver# Background Limitations in passive hip range of motion (PROM) may negatively affect pitching mechanics in baseball pitchers. Understanding the relationships between PROM and mechanics can assist in the development of injury prevention protocols. # Purpose The purpose of this study was to examine the association of hip rotational PROM with pelvis and trunk rotation during pitching in high school baseball pitchers. Study Design: Cross-sectional. # Methods Twenty-five healthy high school baseball pitchers volunteered (15.9 ± 1.1 years; 180.4 ± 5.5 cm; 75.4 ± 9.3 kg). Seated passive hip internal rotation (IR) and external rotation (ER) PROM were measured using a digital inclinometer. Total PROM was calculated (IR+ER). Pitching biomechanical data were collected with a 3-dimensional electromagnetic tracking system while pitchers threw fastballs. Simple linear regressions were performed to examine the association between hip IR, ER, and total PROM with pitching kinematics at foot contact including stride length, pelvis rotation, and trunk rotation. # Results Only one significant association in PROM and kinematics was observed. Drive leg hip IR PROM was associated with trunk rotation angle [F(1,24) = 4.936, p = 0.036], with an R^2^ = 0.177. Drive leg total PROM was not associated trunk rotation angle [F(1,24) = 4.144, p = 0.053] with an R^2^ = 0.153. # Conclusions Increased drive leg hip IR PROM was associated with decreased trunk rotation towards home plate. Hip total PROM and ER were not related to pitching mechanics. # Level of Evidence 2https://doi.org/10.26603/001c.27625 |
| spellingShingle | Hillary A. Plummer Nicole M. Bordelon Kyle W. Wasserberger Tyler J. Opitz Adam W. Anz Gretchen D. Oliver Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers International Journal of Sports Physical Therapy |
| title | Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers |
| title_full | Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers |
| title_fullStr | Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers |
| title_full_unstemmed | Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers |
| title_short | Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers |
| title_sort | association between passive hip range of motion and pitching kinematics in high school baseball pitchers |
| url | https://doi.org/10.26603/001c.27625 |
| work_keys_str_mv | AT hillaryaplummer associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT nicolembordelon associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT kylewwasserberger associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT tylerjopitz associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT adamwanz associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT gretchendoliver associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers |