Just came cross this video in NYT:

There are couple of good exercises for guys and girls to strengthen lower back and core without getting injuries.

There are don’t-do-this and do-this suggestions – very helpful.

Check it out!

http://video.nytimes.com/video/2009/06/17/magazine/1194841000095/core-values.html

Have a good and safe workout!

Always yours,

MFBC