Table 2

 Summary of biomechanical and kinematic model equations

ManoeuvreDriving acceleration (m/s2)Force on point of impact (N)Energy transfer (J)Driving force on head (N)
O goshi27.32566.22951178.3
Suplex30.32848.24414.7197.9
Souplesse29.82801.23977.7194.6
Guillotine drop13.11231.41354.585.5