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 pad rests comfortably on your upper or mid back. Cross your arms over ...
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How to do back extensions: Pro tips from a personal trainerBack extensions can be performed on specialized equipment, often referred to as a back extension machine or Roman chair, or with simple bodyweight variations. Here’s a breakdown of the basic ...
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