Sprint Mechanics Differ Between Pre-injury and Return-to-Sport After Hamstring Strain Injury: A Comparative Statistical Analysis with Machine Learning.

Siwei Guo¹, Kewen Liao², Niusha Shafiabady^1,3, Muhammad Sakib Khan Inan², Andrea Giovannetti¹, David A Opar^4,5, Bryan C Heiderscheit⁶, Silvia Salinas Blemker^7,8, Brett Mortensen⁹, Nicholas Port¹⁰, Yi-Chung Lin^4,5

¹Australian Catholic University, Discipline of Information Technology, North Sydney, New South Wales, AUSTRALIA.

²Deakin University, School of Information Technology, Faculty of Science, Engineering & Built Environment, AUSTRALIA.

³Charles Darwin University, Faculty of Science and Technology, Haymarket, New South Wales, AUSTRALIA.

⁴Sports Performance, Recovery, Injury and New Technologies (SPRINT) Research Centre, Australian Catholic University, Melbourne, Victoria, AUSTRALIA.

⁵School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Victoria, AUSTRALIA.

⁶Badger Athletic Performance Program, Department of Orthopedics and Rehabilitation, University of Wisconsin‑Madison, Madison, WI.

⁷Springbok Analytics, Charlottesville, VA.

⁸Department of Biomedical Engineering, University of Virginia, Charlottesville, VA.

⁹Brigham Young University, Provo, UT.

¹⁰School of Optometry, Indiana University, Bloomington, IN.

PubMed DOI

Abstract

PURPOSE: To compare horizontal and vertical accelerations of lower limbs and pelvis during sprinting in collegiate football players between pre-injury (baseline) and return-to-sport (RTS) following hamstring strain injury (HSI). METHODS: This secondary analysis used inertial measurement unit (IMU) data from 14 NCAA Division I athletes enrolled in the Hamstring Injury (HAMIR) study, collected duri…

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