Table 1

Ball-carrier front-on proficiency results: injury versus non-injury (includes means±SD, % score for total number of events for which criteria score was satisfied, p values and effect sizes with interpretations)

I (n=12)Per centNI (n=57)Per centp ValueEffect sizeInterpretation
Precontact
 Eyes focused on tackler0.67±0.49670.83±0.38830.210.37Small
 Shifting the ball away from contact0.50±0.52500.71±0.46710.170.43Small
 Body position—upright-to-low body position0.25±0.45250.36±0.48360.460.24Small
 Body position—straight back0.83±0.39830.95±0.22950.160.38Small
 Head up and forward, eyes open0.83±0.39830.93±0.26930.280.30Small
 Shuffle or evasive manoeuvre0.25±0.45250.31±0.47310.680.13Trivial
Overall precontact0.56±0.27560.68±0.28680.430.44Small
Contact
 Fending into contact0.50±0.52500.66±0.48660.320.32Small
 Side-on into contact0.08±0.2980.10±0.31100.840.07Trivial
 Explosiveness on contact0.58±0.51580.84±0.37840.04*0.58Small
 Body position—from a low body position up into contact0.17±0.39170.19±0.40190.860.05Trivial
 Ball protection0.83±0.39830.90±0.31900.540.20Small
Overall contact0.43±0.31430.54±0.37540.640.32Small
Postcontact
 Leg drive on contact0.58±0.51580.74±0.44740.280.34Small
 Arm and shoulder usage0.42±0.51420.66±0.48660.130.49Small
 Go to ground and present ball/offload0.67±0.49670.74±0.44740.600.15Trivial
Overall postcontact0.56±0.13560.71±0.05710.111.52Large
Total7.17±1.90518.93±2.23640.01*0.85Moderate
  • *Statistical significance (p<0.05).

  • I, injury; NI, non-injury.