The Effects of 6-Week Training Programs on Throwing Accuracy, Proprioception, and Core Endurance in Baseball

in Journal of Sport Rehabilitation
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With a limited number of outcomes-based studies, only recommendations for strength-training and rehabilitation programs can be made.


To determine the extent to which throwing accuracy, core stability, and proprioception improved after completion of a 6-week training program that included open kinetic chain (OKC), closed kinetic chain (CKC), and/or core-stability exercises.


A 2 × 3 factorial design.


Division III college.


19 healthy baseball athletes with a control group of 15.


Two 6-week programs including OKC, CKC, and core-stabilization exercises that were progressed each week.

Main Outcome Measures:

Functional throwing-performance index, closed kinetic chain upper extremity stability test, back-extensor test, 45° abdominal-fatigue test, and right- and left-side bridging test.


There was no significant difference between groups. An increase was evident in all pretest-to-posttest results, with improvement ranging from 1.36% to 140%.


Both of the 6-week training programs could be used to increase throwing accuracy, core stability, and proprioception in baseball.

Lust is with Athletic Training, Muskingum College, New Concord, OH 43762. Sandrey and Bulger are with the College of Physical Activity and Sport Sciences, West Virginia University, Morgantown, WV 26506-6116. Wilder is with Athletic Training, Waynesburg University, Waynesburg, PA 15370.