Joints need cartilage for smooth movement and to absorb shock when you put pressure on a joint.

VOA: special.2010.05.19

She said people are in a state of shock, waiting for something to happen and still fearing aftershocks.

VOA: standard.2010.01.14

"For the markets right now, it is a shock because everybody is waiting to see what can come next because such a shocking effect, to do it overnight, is not good for a market which is keen on transparency."

VOA: standard.2010.05.19