Can’t possibly be the bridge as a whole. When I said “certain sections,” I meant, like, every third square centimeter or something. If the entire bridge inertial dampeners were completely offline, our heroic crew wouldn’t be jumping madly across the bridge, they’d be a thin paste of organic material on the wall.

Actually, having individual sections fluctuating could explain some of the wilder dives Kirk & Co did during battle sequences, now that I think about it.