First, the CPSC's standard excludes the provision in section 6.12 of the ASTM standard that requires retightening of screws and bolts between the crib side latch test and the mattress support
vertical impact test (§ 1219.2 (b)(1) of the CPSC's standard).
Also, Dos» Santos et al. (2016) showed that in the penultimate step, faster athletes in COD
tests displayed greater horizontal braking forces, but smaller
vertical impact forces.