Squats and deadlifts activate the lower back in a stabilizing fashion, which is almost always the way the lower back is used.
Hyperextensions can allow you to target them directly as assistance work, however, for example.
Squats and deadlifts activate the lower back in a stabilizing fashion, which is almost always the way the lower back is used.
Hyperextensions can allow you to target them directly as assistance work, however, for example.