General play/phase work | Lateral ankle ligament injury | Lumbar disc/nerve root injury | Hamstring muscle injury* | Knee meniscal/articular cartilage injury |
Defence | MCL and acromioclavicular joint injuries | Dislocation/instability, shoulder | Acromioclavicular joint injury | ACL injury |
Line outs | Lateral ankle ligament injury | Achilles tendon injury | – | – |
Scrummaging | Calf muscle injury* | Calf muscle injury* | – | – |
Rucking/mauling | Acromioclavicular joint injury | Tibia/fibula fracture | MCL injury | MCL injury |
Weights | Lumbar disc/nerve root injury | Lumbar disc/nerve root injury | Lumbar disc/nerve root injury | Lumbar disc/nerve root injury |
Speed and agility | Lateral ankle ligament and hamstring muscle* injuries | Hamstring muscle injury* | Hamstring muscle injury* | Adductor muscle injury* |
Endurance | Hip flexor/quadriceps muscle injury* | Lumbar disc/nerve root injury | Hip flexor/quadriceps muscle injury* | Hamstring muscle injury* |
Fitness testing | Several | Achilles tendon injury | Several | Hamstring muscle injury* |