TY - JOUR AU - Preatoni, E; Stokes, K A; England, M E; Trewartha, G TI - Engagement techniques and playing level impact the biomechanical demands on rugby forwards during machine-based scrummaging JO - Br J Sports Med VL - 49 PY - 2015 DO - 10.1136/bjsports-2013-092938 L3 - PubMed-ID: 24511085 SP - 520 EP - 528 ER -