There’s more to leg extensions than most people think. It seems like it’s such a simple exercise that you don’t really have to think about it. Typically, folks will just hop on the machine, set the shin pad (input pad) at their ankles, pick a weight and start lifting.
The leg extension really is simple, but there is a lot to consider before actually starting the movement … and even while you’re doing it. For example, the input pad should not be placed at the ankles! Check out the following video to learn all the intricacies involved in this “simple” exercise.