machine back extension is a exercise machine exercise that primarily targets the lower back ...more
machine back extension is a exercise machine exercise that primarily targets the lower back.
Learning proper machine back extension form is easy with the step by step machine back extension instructions, machine back extension tips, and the instructional machine back extension technique video on this page. machine back extension is a exercise for those with a beginner level of physical fitness and exercise experience. Watch the machine back extension video, learn how to do the machine back extension, and then be sure and browse through the machine back extension workouts on our workout plans page!