Kinematic Parameters Predictive of Pitch Velocity in Youth to Professional Baseball Pitchers : A Qualitative Systematic Review
© The Author(s) 2023..
Background: Specific kinematic factors have been found to contribute to faster pitch speeds, with poor mechanics leading to injury.
Purpose: To discuss the kinematic parameters that predict faster ball velocity among baseball pitchers.
Study Design: Systematic review.
Methods: Using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, the authors utilized the Cochrane Database of Systematic Reviews, PubMed (2008-2019), and OVID/MEDLINE (2008-2019) databases. Eligible articles included those that reported on kinematic factors predictive of ball velocity across youth, high school, collegiate, and professional levels of play. The quality of all included studies was evaluated by 2 reviewers using the Appraisal tool for Cross-Sectional Studies (AXIS). The lack of consistent study design or outcome variables precluded meta-analysis.
Results: A total of 584 studies were identified from the initial search with 12 included in final analysis (930 pitchers in total; 429 [46.1%] youth, 164 [17.6%] high school, 153 [16.5%] collegiate and 184 [19.8%] professional) with mean ball velocity of 71.1 mph (114.4 km/h). The average AXIS score was 16 out of a possible 20. The shoulder played a significant role in the generation of velocity-induced torques. Hip and shoulder separation was associated with a 2.6 ± 0.5 mph (4.1 ± 0.8 km/h) increase in velocity, whereas increased shoulder movement of the nonthrowing arm was negatively correlated with initial ball velocity (r2 = 0.798). Furthermore, hip/shoulder separation, decreased movement of the nonthrowing shoulder, trunk power and timing of maximum trunk rotation, increased contralateral trunk tilt and increased sagittal-plane trunk tilt, and decreased knee flexion at ball release were all associated with higher fastball speeds.
Conclusion: Multiple upper extremity and trunk kinematic parameters affect ball velocity, with significant contributions from the throwing shoulder and trunk, as well as nondominant arm. Understanding kinematic predictors of faster ball velocity can help guide training regimens.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Orthopaedic journal of sports medicine - 11(2023), 11 vom: 10. Nov., Seite 23259671231196539 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kew, Michelle E [VerfasserIn] |
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| Links: |
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| Themen: |
Ball speed |
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| Anmerkungen: |
Date Revised 02.12.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1177/23259671231196539 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM365263370 |
|---|
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © The Author(s) 2023. | ||
| 520 | |a Background: Specific kinematic factors have been found to contribute to faster pitch speeds, with poor mechanics leading to injury | ||
| 520 | |a Purpose: To discuss the kinematic parameters that predict faster ball velocity among baseball pitchers | ||
| 520 | |a Study Design: Systematic review | ||
| 520 | |a Methods: Using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, the authors utilized the Cochrane Database of Systematic Reviews, PubMed (2008-2019), and OVID/MEDLINE (2008-2019) databases. Eligible articles included those that reported on kinematic factors predictive of ball velocity across youth, high school, collegiate, and professional levels of play. The quality of all included studies was evaluated by 2 reviewers using the Appraisal tool for Cross-Sectional Studies (AXIS). The lack of consistent study design or outcome variables precluded meta-analysis | ||
| 520 | |a Results: A total of 584 studies were identified from the initial search with 12 included in final analysis (930 pitchers in total; 429 [46.1%] youth, 164 [17.6%] high school, 153 [16.5%] collegiate and 184 [19.8%] professional) with mean ball velocity of 71.1 mph (114.4 km/h). The average AXIS score was 16 out of a possible 20. The shoulder played a significant role in the generation of velocity-induced torques. Hip and shoulder separation was associated with a 2.6 ± 0.5 mph (4.1 ± 0.8 km/h) increase in velocity, whereas increased shoulder movement of the nonthrowing arm was negatively correlated with initial ball velocity (r2 = 0.798). Furthermore, hip/shoulder separation, decreased movement of the nonthrowing shoulder, trunk power and timing of maximum trunk rotation, increased contralateral trunk tilt and increased sagittal-plane trunk tilt, and decreased knee flexion at ball release were all associated with higher fastball speeds | ||
| 520 | |a Conclusion: Multiple upper extremity and trunk kinematic parameters affect ball velocity, with significant contributions from the throwing shoulder and trunk, as well as nondominant arm. Understanding kinematic predictors of faster ball velocity can help guide training regimens | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Review | |
| 650 | 4 | |a ball speed | |
| 650 | 4 | |a biomechanics | |
| 650 | 4 | |a kinematics | |
| 650 | 4 | |a shoulder | |
| 650 | 4 | |a trunk power | |
| 650 | 4 | |a trunk tilt | |
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| 700 | 1 | |a Manzi, Joseph E |e verfasserin |4 aut | |
| 700 | 1 | |a Coladonato, Carlo |e verfasserin |4 aut | |
| 700 | 1 | |a Estrada, Jennifer |e verfasserin |4 aut | |
| 700 | 1 | |a Dines, Joshua S |e verfasserin |4 aut | |
| 700 | 1 | |a Carr, James B |e verfasserin |4 aut | |
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