Motionsports Adrenaline
44 Achievements
PS3
Hardheaded
Use Adrenaline Power to protect yourself from falling rocks in Mountain Climbing
32.8%
How to unlock the Hardheaded achievement in Motionsports Adrenaline - Definitive Guide
copperghost23
Before a rock is about to fall you will see brown dust falling. Go under this brown dust and Press 
or 
to activate your adrenaline power. Let the rock hit you and you will earn the trophy not soon afterwards.