Correlation among Y-Balance Test-Lower Quarter composite scores, hip musculoskeletal characteristics, and pitching kinematics in NCAA division I baseball pitchers

Adam Culiver, J. Craig Garrison*, Kalyssa M. Creed, John E. Conway, Shiho Goto, Sherry Werner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Context: Numerous studies have reported kinematic data on baseball pitchers using three-dimensional (3D) motion analysis, but no studies to date have correlated this data with clinical outcome measures. Objective: To examine the relationship among Y-Balance Test-Lower Quarter (YBT-LQ) composite scores, musculoskeletal characteristics of the hip, and pitching kinematics in National Collegiate Athletic Association (NCAA) Division I baseball pitchers. Design: Cross-sectional. Setting: 3D motion analysis laboratory. Participants: Nineteen healthy male college baseball pitchers. Main Outcome Measures: Internal and external hip passive range of motion, hip abduction strength, YBT-LQ composite scores, and kinematic variables of the pitching motion. Results: Stride length demonstrated a moderate positive correlation with dominant limb YBT-LQ composite score (r = .524, P = .02) and nondominant limb YBT-LQ composite score (r = .550, P = .01), and a weak positive correlation with normalized time to maximal humerus velocity (r = .458, P = .04). Stride length had a moderate negative correlation with normalized time to maximal thorax velocity (r = -.522, P = .02) and dominant hip total rotational motion (TRM; r = -.660, P = .002), and had a strong negative correlation with normalized time from stride foot contact to maximal knee flexion (r = -.722, P < .001). Dominant limb YBT-LQ composite score had a weak negative correlation with hip abduction strength difference (r = -.459, P = .04) and normalized time to maximal thorax velocity (r = -.468, P = .04). Nondominant limb YBT-LQ composite score demonstrated a weak negative correlation with normalized time to maximal thorax velocity (r = -.450, P = .05) and had a moderate negative correlation with dominant hip TRM (r = -.668, P = .001). There were no other significant relationships between the remaining variables. Conclusions: YBT-LQ is a clinical measure that can be used to correlate with hip musculoskeletal characteristics and pitching kinematics in NCAA Division I pitchers.

Original languageEnglish (US)
Pages (from-to)432-437
Number of pages6
JournalJournal of Sport Rehabilitation
Volume28
Issue number5
DOIs
StatePublished - Jul 1 2019
Externally publishedYes

Keywords

  • Baseball
  • Lower-extremity kinematics
  • Motion analysis
  • Pitchers
  • Stride length

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Fingerprint

Dive into the research topics of 'Correlation among Y-Balance Test-Lower Quarter composite scores, hip musculoskeletal characteristics, and pitching kinematics in NCAA division I baseball pitchers'. Together they form a unique fingerprint.

Cite this