Change happens; it always will. Sometimes, that change is going to knock your feet out from under you.
When you fall, you have multiple variations of two options: brace, tense up and protect your vitals; or roll, committing to the momentum of your fall.
Bracing limits your risk of serious pain, but almost guarantees a rough landing.
Tumbling leaves you vulnerable, but comes with an opportunity to spring back to your feet immediately.
Which are you more inclined to do?
Is your default a limitation?