Body block. The body block shall have the shape, dimensions, mass and characteristics shown in the appendix to this annex.
2.3.1. Following are non mandatory additional guidelines for mechanical properties of the bodyblock:
(a) Rate of loading during stiffness measurement: 250 ± 50 mm/min;
(b) Centre of gravity: 551.2 ± 6 mm from top of the bodyblock;
(c) Moment of inertia about lateral axis through centre of gravity: 2.26 ± 0.23 kg x m2.
Body block. The body block shall have the shape, dimensions, mass and characteristics shown in the appendix to this annex.