[quote=Edchris177]I think what SKARR is trying to say is that yes, you do have to support your body weight in the horizontal position, BUT you are not holding the weight of the bag. The bag is secured to the righting line, & while you do exert some effort to push it outwards, the effort required is only a fraction of the bag weight.
Think of a 200 lb weight hanging from a line attached to the ceiling, the bag is hanging against a wall, 6" from the floor.
I could not lift that bag up, but I could step between the bag & the wall, brace my feet against the wall & push out. With the line over my shoulder, I could easily push the bag 4' or more from the wall.
If you calculated a resolution of vectors, you would see that the greater the distance you push the bag, the more of its mass you are holding up. Eventually, if you pushed the bag outwards a distance that equals the length of the line, you would be supporting the entire 200 lbs, but the initial couple of feet is very little effort.[/quote]
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