BrazAd, Glad your fall had no dire consequences. You stated that you had your arms extended when you fell. That's a no-no and can result in broken wrist, arms and shoulders. It's better to keep your hands on the bars and fall onto you side and hip, much like a football player when he is hit and tackled. I've seen where cycling groups will go to a grassy patch and practice falling at slow speeds to get the feel of crashing without extending an arm. I have fallen so much in cyclo cross riding/racing and mtb riding that its 2nd nature to hold the bar, and now when I crash on my road bike I just hang on and let the body take the blow.

Not that I crash that often.