This post was sponsored by DePuy Synthes as part of an Ambassador Program for Influence Central and all opinions expressed in my post are my own. I am relatively new to the 5th decade of life.  With that birth of a new decade, I find that I am often no longer able to do things that I used to.  I consider myself to be pretty active especially since I own four horses.  It is very difficult to live a sedentary lifestyle when you have four horses to care for.  In my 40s I would work on things at the farm and be amazed that “kids” half my age would whine about how…