This is a combination of a power planking and a power plië. It is definitely on the stronger side, so modify if you need. Do what feels really good to you!
You should always consult your physician or health care specialist before performing any of the exercises in this program, and you should obtain specific approval before performing any of the exercises in this program if you have any chronic or recurring physical conditions, and/or if you are pregnant, postnatal, nursing, or elderly. The instruction presented herein is in no way intended as a substitute for medical advice or counseling.