Tackling concussion in professional rugby union: a case-control study of tackle-based risk factors and recommendations for primary prevention.
Matthew J CrossRoss TuckerMartin RafteryBen HesterSean WilliamsKeith A StokesCraig RansonPrav MathemaSimon KempPublished in: British journal of sports medicine (2017)
Interventions that reduce the speed and acceleration of the tackler and reduce exposure to head-to-head contact would likely reduce concussion risk in professional rugby union.