The Effect of Stride Length and Lateral Pelvic Tilt on Elbow Torque in Youth Baseball Pitchers

Journal of Applied Biomechanics
Noah X TocciDonald Bae

Abstract

High elbow torque during a pitch may contribute to injury risk. Our objective was to determine the pitch mechanics associated with elbow varus torque in youth baseball pitchers. Eighteen male youth pitchers (age = 15.5 ± 1.6 years) threw 3 fastballs and 3 change-ups from a windup position while undergoing 3-dimensional kinematic analysis. Independent variables included ball release point distance, stride length, lateral pelvic tilt, and ball velocity. Two multiple regression models, separated by pitch type (fastball, change-up) were used to determine the association of independent variables with peak varus torque at the elbow. Fastball and change-up regression models indicated that stride length (β = 0.301, p = .015; β = 0.46, p < .001, respectively) and lateral pelvic tilt (β = -0.50, p < .001; β = -0.25, p = .04, respectively) were significantly associated with peak elbow varus torque. During fastballs, pitch velocity was significantly associated with peak elbow varus torque (β = 0.38, p = .002), while release point distance was significantly associated with peak elbow varus torque during change-ups (β = -0.33, p = .015). Youth pitchers with longer strides and less lateral pelvic tilt demonstrated greater elbow torque regardl...Continue Reading

References

Jan 1, 1990·Journal of Biomechanics·A L BellR A Brand
Mar 1, 1995·The American Journal of Sports Medicine·G S FleisigR F Escamilla
Jun 1, 1993·The Journal of Orthopaedic and Sports Physical Therapy·S L WernerJ R Andrews
Jun 1, 1996·Sports Medicine·G S FleisigJ R Andrews
Sep 1, 1996·Journal of Biomechanics·P de Leva
Jun 1, 1997·Journal of Biomechanics·H E VeegerR H Rozendal
Nov 24, 1999·Journal of Biomechanics·G S FleisigJ R Andrews
Nov 2, 2001·Medicine and Science in Sports and Exercise·S LymanJ M Roseman
May 4, 2002·Journal of Shoulder and Elbow Surgery·Sherry L WernerThomas J Gill
Apr 3, 2003·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Stephen S BurkhartW Ben Kibler
Apr 15, 2004·Sports Biomechanics·Jeff WightSusan Hall
Apr 28, 2004·Journal of Shoulder and Elbow Surgery·Michelle B SabickRichard J Hawkins
Jul 21, 2004·The American Journal of Sports Medicine·Damon H PettyE Lyle Cain
Nov 2, 2005·The American Journal of Sports Medicine·Glenn S FleisigJames R Andrews
Feb 3, 2006·The American Journal of Sports Medicine·Samuel J OlsenJames R Andrews
Sep 16, 2006·The American Journal of Sports Medicine·Rafael F EscamillaJames R Andrews
Mar 28, 2007·The American Journal of Sports Medicine·Todd S EllenbeckerFabio Sperling
Jun 23, 2007·Journal of Applied Biomechanics·Arnel L AguinaldoHenry Chambers
Sep 1, 2007·Medicine and Science in Sports and Exercise·Carl W NissenJames Bicos
Mar 18, 2008·The Journal of Hand Surgery·Joseph R LynchThomas E Trumble
Aug 19, 2008·Journal of Shoulder and Elbow Surgery·Sherry L WernerDeryk G Jones
Jul 28, 2009·The American Journal of Sports Medicine·J T DavisFrank W Jobe
Sep 11, 2009·Current Sports Medicine Reports·Glenn S FleisigJames R Andrews
Mar 20, 2010·Journal of Strength and Conditioning Research·Brian M CampbellMegan K Nixon
Aug 13, 2010·Journal of Strength and Conditioning Research·Gretchen D Oliver, David W Keeley
Jun 29, 2011·The American Journal of Sports Medicine·Matthew PosnerBrett D Owens
Jun 5, 2012·Journal of Applied Biomechanics·Matthew D MilewskiCarl W Nissen
Jul 1, 2009·Sports Health·Dave FortenbaughJames R Andrews
Dec 4, 2012·The American Journal of Sports Medicine·M A UrbinJames R Andrews
Jul 26, 2013·The American Journal of Sports Medicine·Sakiko OyamaJoseph B Myers
Mar 29, 2014·The Journal of Experimental Biology·Neil T Roach, Daniel E Lieberman
Mar 13, 2015·The American Journal of Sports Medicine·Matthew J SolomitoCarl W Nissen
Apr 7, 2015·Journal of Shoulder and Elbow Surgery·Terrance SgroiAnthony A Romeo
Mar 18, 2016·The American Journal of Sports Medicine·Benton E HeyworthDonald S Bae
Jun 15, 2016·The American Journal of Sports Medicine·Malachy P McHughStephen J Nicholas

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Citations

Mar 11, 2020·BMJ Open Sport & Exercise Medicine·Marie-Andrée MercierMartin Descarreaux
Mar 17, 2020·Current Reviews in Musculoskeletal Medicine·Todd S Ellenbecker, Ryoki Aoki
Jul 10, 2021·Journal of Sports Sciences·Joseph E ManziJames B Carr

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