All human movement is a skill and anything you "do wrong" over and over again will eventually cause injury. I'd recommend you take a look at Dr. Kelly Starrett's book "Becoming A Supple Leopard" the title may seem silly but the information inside is life changing.
Here is the Amazon link: http://www.amazon.com/Becoming-Supple-Leopard-Preventing-Per...
I can also help if needed, contact should be in my profile.