How to Train a Muscle in a Stretch Position

Biceps brachii has been one that's actually kept the confusion going because not a lot of, not every muscle has really great leverage at longer length. The adductomagnes is the one I really think of exactly. That's the first one I always think of when say, what has really great leverages at longer lengths? And Rocky Magnus, why don't you try something different there with that guy? So far as pausing in those links, it depends on how much attention we can tell from what appears to be shorter links.