The Back Extension Pro is the perfect complement to the Ab Toner, offering a balanced approach to full-core training by targeting the posterior chain. Sturdy and versatile, this unit supports a range of exercises including good mornings, side bends, and rotational twists. It effectively strengthens the hamstrings, glutes, hips, obliques, and both the upper and lower back—making it an essential tool for developing 360° core strength and improving overall stability.