Questionnaires to master's thesis ski instructors and low back pain
Hi, I am writing a master's thesis about ski instructors and their problems with low back pain. I need your help so that I can try to compare answer between a few countries (Poland, Italy, Great Britain, USA, Australia and Canada). If you could help me would be great, please fill in my questionaire below (it's only 2 or 3 minutes). Please send to your friends or share it on your profile or some groups for skier from your country.
Thanks for your help with this, here are the links:
USA, France, Canada, Australia.