I struggled all through PT school with the use of MeSH headings. This article was somewhat helpful for me in the utilization of MeSH headings in PubMed. I figured it was relevant to share since it was brought up in Journal Club.
Here is another article that I believe was presented to the 2015 residency class. At the end there is a set of search strings that you can copy and paste to find more PT specific results, or looking for specific PT techniques.