+ #mindbodymat: day 13 + Pilates Arm Workout Robin Long, August 27, 2014August 27, 2014, Pilates, #mindbodymat, Arms, biceps, Pilates, Pilates Arm workout, posture, triceps, upper body, weights, YouTube, 9 Good morning! Welcome to Day 13 of the #mindbodymat challenge. We have 3 workouts left and I encourage you to...