# Commission Regulation (EC) No 631/2009 of 22 July 2009 laying down detailed rules for the implementation of Annex I to Regulation (EC) No 78/2009 of the European Parliament and of the Council on the type-approval of motor vehicles with regard to the protection of pedestrians and other vulnerable road users, amending Directive 2007/46/EC and repealing Directives 2003/102/EC and 2005/66/EC, Division 1.1

Extent: E+W+S+N.I.

The lower legform impactor shall consist of two foam-covered rigid segments, representing femur (upper leg) and tibia (lower leg), joined by a deformable, simulated knee joint. The overall length of the impactor shall be 926 ± 5 mm and comply with Figure 1.
The length of the femur and tibia shall be 432 mm and 494 mm from the centre of the knee respectively.
The centre of gravity of the femur and tibia shall be 217 ± 10 mm and 233 ± 10 mm from the centre of the knee respectively.
Brackets, pulleys, etc. attached to the impactor for the purpose of launching it, may extend the dimensions shown in Figure 1, with the exception of the location of the centre of gravity.

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Source: https://www.legislation.gov.uk/eur/2009/631/annex/part/V/division/1/division/1.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-631/annex/part-V/division-1/division-1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.