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Improving Base Running Diagnostics With Foot Pod Technology: Intersession Reliability of Linear and Curvilinear

José Antonio Martínez-Rodríguez¹, Ryan L Crotin^1,2,3, Jonathon Neville¹

¹Sport Performance Research Institute New Zealand, Auckland University of Technology, Auckland, New Zealand.

Journal of Strength and Conditioning Research

|June 23, 2026

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This summary is machine-generated.

Foot pod technology reliably measures linear and curvilinear running performance in baseball players. This technology can accurately assess base running efficiency and inform training programs for improved performance.

Area of Science:

Sports Science
Biomechanics
Athletic Performance

Background:

Accurate measurement of running kinematics is crucial for baseball player development.
Traditional methods may lack precision in quantifying complex movements like base running.
Foot pod technology offers a potential solution for objective kinematic analysis.

Purpose of the Study:

To assess the intersession reliability of foot pod technology for quantifying kinematic measures during linear and curvilinear running.
To determine the consistency of measurements for key running variables across multiple testing sessions.

Main Methods:

Twelve trained male high school baseball players participated.
Three identical testing sessions were conducted, separated by at least two days.

Keywords:

high-frequency technology kinematic measures

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Eight kinematic measures were recorded during linear (straight-line sprint) and curvilinear (home-to-second base) runs using foot pod sensors.

Main Results:

No significant systematic changes were observed in kinematic variables between sessions (p > 0.05).
91% of mean percent changes were below 2%, indicating minimal systematic error.
High absolute consistency was found, with 94% of coefficients of variation (CVs) under 10% and 63% under 5%.

Conclusions:

Foot pod technology demonstrates good to excellent intersession reliability for quantifying linear and curvilinear running performance in baseball players.
The technology can be confidently used to measure base running efficiency.
Findings support the use of foot pod data for informed exercise prescription to enhance base running performance.