The Relationship Between Line of Action and Line of Pull

Aclon: Line of action and line of pull are literally the same thing. They mean we're finding out roughly what the center of the muscle is, especially if somebody's just doing it themselves. The more fan shaped or put a bit away, the larger the actual origin of the muscle,. If you're thinking about something like the lats, which have a massive origin that goes down the spine, the more inaccurate these kind of measurements are going to be.