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Understanding the association between external training load measures and injury risk in Elite Gaelic football
Shane Malone1,2, Kieran Collins3,4, Allistar McRoberts3
1The Tom Reilly Building, Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Liverpool, UK - shane.malone@mymail.ittdublin.ie.
Background:
The current investigation examined the association between external training load variables and injury risk within elite Gaelic football.
Methods:
Workload and injury variables were collected from thirty-seven elite Gaelic footballers (mean±SD age of 24.2±2.9 years) from one elite squad across a two-season observational period. External training load variables included total distance (m), High speed running (m; ≥17.1 km·h-1), Sprint distance (m; 22 km·h-1), Accelerations (n), Average metabolic power (W·kg-1), high-power distance (m; ≥25 W·kg-1). Cumulative 1- weekly, 2-weekly, 3-weekly and 4-weekly training loads; acute: chronic workload ratio (ACWR) was analysed across specific distributions of low, moderate and high loading with respect to a reference group of the measure quantified. General estimating equations were utilized to understand the association of these variables with injury risk.
Results:
Strong associations (AUC>0.50) were observed amongst models developed for one weekly loading for relative distance, average metabolic power and high-power indices with similar trends observed for two, three and four weekly which showed a strong positive association within injury risk for all external loading metrics (AUC>0.50), with average metabolic power, and high-power distance showing the strongest association across the three-four week loading scales (AUC>0.60). When the ACWR was considered for external load measures these showed a positive linear association with injury risk (AUC>0.50). When intensity measures were considered relative distance showed an associated risk for injury across one and two-weekly models but not three and four weekly models. When odds risk association was considered a consistent trend towards moderate loading across external loading measures was apparent within the observed cohort.
Conclusions:
The current investigation reports for the first time the injury association for external loading measures within elite Gaelic football. Data show that a range of measures are associated with increased or decreased injury risk depending on the loading scheme applied by coaches within elite Gaelic football.
