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...

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Autores principales:	Hillary A. Plummer, Nicole M. Bordelon, Kyle W. Wasserberger, Tyler J. Opitz, Adam W. Anz, Gretchen D. Oliver
Formato:	article
Lenguaje:	EN
Publicado:	North American Sports Medicine Institute 2021
Materias:	Sports medicine RC1200-1245
Acceso en línea:	https://doaj.org/article/317f67fdd9ca497cb3d2b8a157dff6fd
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spelling	oai:doaj.org-article:317f67fdd9ca497cb3d2b8a157dff6fd2021-12-02T19:16:43ZAssociation Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers2159-2896https://doaj.org/article/317f67fdd9ca497cb3d2b8a157dff6fd2021-10-01T00:00:00Zhttps://ijspt.scholasticahq.com/article/27625-association-between-passive-hip-range-of-motion-and-pitching-kinematics-in-high-school-baseball-pitchers.pdfhttps://doaj.org/toc/2159-2896# 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 2Hillary A. PlummerNicole M. BordelonKyle W. WasserbergerTyler J. OpitzAdam W. AnzGretchen D. OliverNorth American Sports Medicine InstitutearticleSports medicineRC1200-1245ENInternational Journal of Sports Physical Therapy, Vol 16, Iss 5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sports medicine RC1200-1245
spellingShingle	Sports medicine RC1200-1245 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
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
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
title	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_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_sort	association between passive hip range of motion and pitching kinematics in high school baseball pitchers
publisher	North American Sports Medicine Institute
publishDate	2021
url	https://doaj.org/article/317f67fdd9ca497cb3d2b8a157dff6fd
work_keys_str_mv	AT hillaryaplummer associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT nicolembordelon associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT kylewwasserberger associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT tylerjopitz associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT adamwanz associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers AT gretchendoliver associationbetweenpassivehiprangeofmotionandpitchingkinematicsinhighschoolbaseballpitchers
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Association Between Passive Hip Range of Motion and Pitching Kinematics in High School Baseball Pitchers

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