Hey everyone.  Today I have a guest post for you from Rafi Bar-Lev.  Rafi previously wrote articles for his blog The Fitness Adviser - http://thefitnessadviser.com/ but has now expanded his online presence and created the online fitness community Passionate Fitness - http://www.passionatefitness.com/.  At Passionate Fitness you can upload picutres, make friends, submit and read articles use the forums and more.  It's a really great place to meet like minded people and I recommend you check it out after reading his article. ----- Do you ever wonder what really makes your workout … [Read more...]