To extend this a bit... If you like watching any of the popular Gym Fail video channels on Youtube -- many people also have poor, or counter- intuitive notions

To extend this a bit... If you like watching any of the popular Gym Fail video channels on Youtube -- many people also have poor, or counter- intuitive notions of things like purpose built machines and the physical body mechanics/physics that marry up to them. Recall is hard, but so is.. deciphering.