You'll likely get a quicker answer by asking here:
AvCanada Health & Fitness
There is far more foot traffic, especially for your type of question.
Do you work in a union shop? (ALPA, ACPA?) If you do, they have amazing resources.
Also, I'm not sure if your CAME would have pointed you to
TP 13312, but sometimes that provides answers. Just remember that it's a guide for the doctors, so it can make for some pretty harsh reading the first time through.
Best of luck, and I hope you get your medical back without too much trouble.