Please click on the links below and you will find Julie Weibe PT talks on how to protect and build a core in a safe way.
The Fit Floor Part 1: Training the Pelvic Floor for Fitness https://www.youtube.com/watch?v=sGykBblgTgU
The Fit Floor Part 2: Teach Your Pelvic Floor a New Trick
The Fit Floor Part 3: Alignment-Position your Pelvic Floor
Impact of Alignment on Diaphragm and Pelvic Floor
There's No Kegel in Teamwork-Directors Cut
The Core Machine: Gears Gotta Move (Pelvic Floor, TA, Diaphragm)
The Diaphragm Pelvic Floor Piston Demo