@theiconicjoyce__: How to actually grow your lower back fast with the back extension machine. (Dm me COACH for coaching). Adjust the bench pad to sit just below your hip bones,Keep your core engaged and your back aligned (avoid excessive arching or rounding) as you lower yourself to prevent lower back strain. #backexercise #backextensionmachineform #howtogrowback #howtodobackextension #bestbackworkout