The point of assistance/extra work exercises are for training the muscles that didn't get hit as hard in the main sets, like triceps for bench, abs and spinal erectors in DL. Or to train the muscles that need more work in general because they might be a weak point or whatever.
Once you get past an initial curve, just doing the exercise alone won't get you progress forever.
That sounds like a good way to go, Jman. As for more work that you can do, you shouldn't just look for isolation, don't be afraid to throw in two or three more extra compound movements. Turkish get-ups, GM's, ab rollouts, Bulg squat, suitcase dead, db swings...there are tons and tons of extra exercises you can be doing. Even if the main exercises were enough for you, it wouldn't hurt to try upping the volume for a month or so and see where you end up. You're at the point now where you've been lifting and active long enough to where you're ready to up the volume.
Once you get past an initial curve, just doing the exercise alone won't get you progress forever.
That sounds like a good way to go, Jman. As for more work that you can do, you shouldn't just look for isolation, don't be afraid to throw in two or three more extra compound movements. Turkish get-ups, GM's, ab rollouts, Bulg squat, suitcase dead, db swings...there are tons and tons of extra exercises you can be doing. Even if the main exercises were enough for you, it wouldn't hurt to try upping the volume for a month or so and see where you end up. You're at the point now where you've been lifting and active long enough to where you're ready to up the volume.