Here is a great post from CrossFit Charlottesville that explains why form is so important. There is so much truth in this article, and I hope you will all read it.
Form Matters - Do It Right or Don't Do It At All
AMRAP in 8 min of:
10 Russian Twists (25lb plate, 10 per side)
10 Ring Rows
Hamstring Stretch - 2 min/side
Calf Stretch - 2 min/side
Overhead Shoulder Stretch - 2 min/side - Like this ---> MobilityWOD