How do instructors avoid injuries?

[Kathryn]

Originally Posted by MichelleRN

I CRINGE when I see Cathe bounding up on the high step...and now she knows too.

There's nothing that indicates to me that Cathe is about to change her high-impact ways. When she was on GMA with her doctor, she spoke about people who don't learn until they get an injury, but she didn't seem to be refering to herself.