Epidemiology of quadriceps muscle strain injuries in elite male Australian football players

Author:

Pietsch Samuel1ORCID,Green Brady23,Schache Anthony G.1,Pizzari Tania1

Affiliation:

1. La Trobe Sport and Exercise Medicine Research Centre. School of Allied Health, Human Services and Sport, College of Science, Health and Engineering La Trobe University Melbourne Victoria Australia

2. School of Health Sciences and Physiotherapy University of Notre Dame Australia Fremantle Western Australia Australia

3. School of Allied Health, Human Services and Sport La Trobe University Melbourne Victoria Australia

Abstract

AbstractObjectiveTo describe the epidemiology of quadriceps muscle strain injury (QMSI) in elite Australian Football League (AFL) players, explore recovery milestones and determine whether recovery is impacted by factors such as injury type (index vs. re‐injury), the primary muscle injured and the mechanism of injury.MeasuresAll QMSI data reported to the Soft Tissue Injury Registry of the AFL from the 2014 to 2020 seasons were evaluated. Player demographic data, circumstances of injury, MRI reports and recovery outcomes following injury were extracted. Descriptive statistics and frequency distributions are presented. Recovery outcomes for injury type, primary muscle injured and the mechanism of injury were compared using univariate analyses.ResultsThere were 164 QMSIs from 122 players reported (134 index; 30 re‐injuries). Almost all (91.3%) QMSIs involved the rectus femoris. Half (48.4%) of the QMSIs occurred during kicking and most commonly affected the dominant kicking leg (72%). The majority occurred at training (64.6%). All re‐injuries involved the rectus femoris, most occurred from kicking (63.0%) and within 6 months of the preceding injury (70%). The mean return to play (RTP) time was 25.4 days (95%CI = 22.6–28.2) and rectus femoris injuries took around 14 days longer to RTP than vastii injuries (p = 0.001). QMSIs with a kicking mechanism took the longest to RTP of all injury mechanisms.ConclusionIn AFL players, QMSIs occur mostly in the dominant leg from a kicking mechanism. Rectus femoris injuries are more prevalent and result in longer RTP time frames. Re‐injuries exclusively involved the rectus femoris, primarily from kicking.

Publisher

Wiley

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine

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