What question did this study set out to answer?

The research aims to assess if IMU sensors can identify Thoroughbreds most at risk of fatal musculoskeletal injury.

March 15, 2026Open Access

Fatal Musculoskeletal Injury Risk Determined Using Accelerometer-Based Inertial Measurement Unit (Imu) Sensors in 28,481 Thoroughbred Race Starts

Key Points

The research aims to assess if IMU sensors can identify Thoroughbreds most at risk of fatal musculoskeletal injury.
Examined data from 28,481 Thoroughbred race starts
Utilized accelerometer-based inertial measurement unit sensors
Employed a trained algorithm for risk identification
Investigated associations with age, gender, race distance, and track surface
Identified screening methods to locate most-at-risk horses
Found a correlation between gender and injury risk
Performance analysis revealed factors affecting injury likelihood

Abstract

Objective: To determine whether screening of racing Thoroughbreds with accelerometer-based inertial measurement unit sensors (IMU) and a specifically trained algorithm identified most-at-risk horses for fatal musculoskeletal injury and whether age, gender, race distance, and track surface were associated with increased risk.

Fatal Musculoskeletal Injury Risk Determined Using Accelerometer-Based Inertial Measurement Unit (Imu) Sensors in 28,481 Thoroughbred Race Starts

Key Points

Abstract

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