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Vision Training Methods for Sports Concussion Mitigation and Management

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Published on: May 5, 2015

Using a Sensor-Embedded Baseball to Identify Finger Characteristics Related to Spin Rate and Pitching Velocity in

Ming-Chia Yeh^1,2, Wen-Wen Yang³, Yu-Hsuan Hung²

¹Department of Exercise Science and Athletic Training, Slippery Rock University, Slippery Rock, PA 16066, USA.

Sensors (Basel, Switzerland)

|June 19, 2024

Summary

Baseball pitchers' finger characteristics, including length discrepancy and strength, significantly impact spin rate and velocity. These finger traits are crucial for optimizing pitching performance.

Keywords:

pinch strength pitching finger force rate of force development

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Last Updated: May 6, 2026

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Area of Science:

Biomechanics
Sports Science
Baseball Performance Analysis

Background:

Positive correlation exists between pitching velocity and kinetic chain in baseball.
Limited research on the specific influence of finger characteristics on pitching velocity and spin rate.

Purpose of the Study:

To investigate the relationship between finger characteristics and baseball pitching velocity and spin rate.
To utilize a sensor-embedded baseball for precise performance measurement.

Main Methods:

Twenty-one pitchers participated in the study.
A sensor-embedded baseball measured pitching performance.
Finger length and strength were assessed as dependent variables.
Pearson correlations and ICCs analyzed relationships.

Main Results:

Finger length discrepancy and strength correlated significantly with spin rate (r=0.500-0.576, p≤0.05).
Finger characteristics, including length discrepancy, pinch strength, and finger force (RFD, impulse), correlated significantly with fastball pitching velocity (r=0.491-0.584, p≤0.05).

Conclusions:

Finger length discrepancy, pinch strength, and pitching finger force (maximal force, RFD) are potential factors influencing fastball spin rate.
These finger-related metrics may significantly impact fastball pitching velocity.