Here are a handful of resources to help you start thinking differently about HOW you use your body in ways that do or don't support your desire for more core strength. 
 

Where do you start if your back is bothering you? If you sneeze when you pee? If you have TMJ? If your quads won't ever relax? If your hips feel wonky? If you're digestion is off? If you have low energy?

Everything that follows will not only help you restore your outdoorsy wild; it's going help you restore your indoor wild, too, if you catch my drift. ;)