I was so excited when I purchased my av circulur pro. Told many friends and family how fun it was until last week when I was exercising whith the DVD it comes with and I suddenly felt my body whip as in thrown off the machine without no warning into the brick wall off my fireplace and accessories and landing on my right knee. I new I was hurt instantly by the pain I endured from my knee placing me to lay on the floor in a fetal position holding my knee hoping this pain will ease. It happen so quick! I ice my knee thinking it just bruises a... read full review »