Oh my, that's not good.  A shame it ruined your holiday, but just make sure you follow instructions, as others have said bad backs are no joke - I know it's my back that got me into a disabled college and in a weird way has given me another chance at a life, but you really do have to take care.

All the best and take it easy and get better.

Measure your mind's height
by the shade it casts.
Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com