8 weeks  –  1 fitness challenge each week CHALLENGE #6 In light of Halloween, I have a spooky challenge  for you! Frankenstein Walk 10 steps in each direction x 3 http://www.youtube.com/watch?v=oTWnpoh6VP8 Spider Plank 10 repetitions on each side x 3 Regress? Place your elbows and forearms on mat. Progress? Place your hands on a BOSU or Stability Ball.…