-There has been a recent paradigm shift from a structural approach towards a functional approach, for a good reason. This is primarily due to the work of Vladamir Janda (part of the Prague school of Rehab). Here is the difference between the two approaches:
-A structural approach is looking at one impairment and providing one intervention to treat this impairment. For example: Stretch (mobilize) a stiff (hypo-mobile) C6-C7 joint (in your neck), and that's it.
-The Functional approach will look at this hypo-mobile C6-C7 joint, and look for the cause of this impairment. For the example here, you would look proper scapular positioning/movement, proper cervical spine movement (PICR), and will approach this by looking throughout the kinetic chain.
The point of this post is that you are ONLY as strong as your weakest link. You can bench 800 pounds and have the largest chest there is, however if you can't stabilize your spine with that chest of yours; you have lost. Address your whole movement system when you are training!
Note: Sahrmann uses the terminology Source Vs. Cause for these same approaches in which some of you may be more familiar with.
"He who treats the site of pain is often lost" -Lewit