How to Work on Muscles and Leg Extensions

There's a shitload of inertia if you've got big heavy dumbbells and that does give you a moment to the fact they don't want to go sideways. There's lots of things that you can start playing around and exploring with within this anything you want to finish up with. We could keep something that we could go on for hours and hours but I think that touched on the key points obviously joint wise what's going on a couple of key things with muscles, then working that leg extension mid to short something a bit more length than rectum based.