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Table 1 Example of variables to consider in stages 1-6 when managing the injury risk of an elite midfield Gaelic football player. The player is aged 21 years and sustained a hamstring injury within the last 12 months

From: A six stage operational framework for individualising injury risk management in sport

Stage 1 – Injury Trends Stage 2 – Risk Factors Stage 3 – Sport Demands Stage 4 – Athlete Profiling Stage 5 – Athlete Management Stage 6 – Athlete Monitoring
Injury probability
 > 12 months uninjured, 14%
 Aged 21-24, 27%
 Previous injury, 41%
 Previous hamstring injury, 44%
Injury history
 Previous injury, Odds risk, OR = 3.0
 Previous hamstring injury, OR = 3.3
Match-play demands
 Total distance, 10,621m
 Relative total distance, 152 m.min−1
 High speed distance (>17 km/h), 2000 m
 High speed distance (>17 km/h), 29 m.min−1
Physiological characteristics
 Incremental treadmill test
 YoYoIR1
 YoYoIR2
 30-15 IFT
 1 km time trial
 Repeated-sprint fatigue index
 Knee flexor strength
 Biomechanical assessment
 Anthropometric assessment
Interventions
 Nordic hamstring exercise programme
 Small-sided game variations
 High-intensity interval training
 Load management
 iTRIMP thresholds
Useful tools
 Load management
 GPS running distances
 Force-velocity profile
 iTRIMP thresholds
 Knee flexor strength
 S-RPE
 Acute:chronic workload ratio
 HAGOS
 Wellness
 Heart rate recovery
Team rate
 Time-loss injuries per season, 42
 Players affected per season, 27
 Injury prevalence per season, 66%
Training variables
 > 15 max velocity exposures, OR = 3.4
 > 120m max speed running, OR = 3.1
 Acute:chronic workload ratio > 1.35, OR = 2.0
 Acute:chronic workload ratio > 2.0, OR = 3.4
 Weekly S-RPE >2700 AU, OR = 2.4
Match-play worse case scenario
 Relative total distance in 1 min, 252 m.min−1
 Relative total distance in 5 min, 197 m.min−1
   
Injury incidence
 Training, 4/1000 h
 Match-play, 62/1000 h
 Match-play to training rate ratio, 15.3
Physiological variables
 1 km time trial time > 3.1 min, OR = 2.5
 YoYoIR1 distance 1670-2150 m, OR = 1.6
 YoYoIR1 distance > 2150m, OR = 0.33
 > 20 mins at 85%HRmax per week, OR = 0.22
 Preseason eccentric hamstring strength between-limb imbalance > 10%, RR = 1.4
Training demands
 Pitch session, 370 S-RPE AU
 Gym session, 250 S-RPE AU
 Small-sided game for 4 min, 930m
   
Common injuries
 Lower limb, 76% (mean, 28 time-loss days)
 Hamstring, 21% (mean, 26 time-loss days)
     
Common injury mechanism
 Non-contact, 81%
     
Average associated time-loss
 Per injury, 28 days
 Per injury for 21-24 years, 24 days
 Per team each season, 908 days
 Injury burden, 115 days/1000 h
     
Injuries Per Cycle
 Preseason, 17%
 Competitive cycle 1, 25%
 Mid-season, 19%
 Competitive cycle 2, 39%