Back extension machines are a crucial piece of gym equipment ... (back muscle right under your shoulders) and erector spinae ...

and lower back to lift your upper body back to the starting position. Recommended sets and reps: 3 to 4 sets of 10 to 15 reps Instructions: Take a seat on the back extension machine so the back ...

And top among exercises for this region is the lower back extension. This doesn’t need a machine, but one of those adjustable stands which support the front of the hip as you hinge down and go ...