The Manual on MSN4mon
Mastering the back extension machine for increased strength
For beginners, it’s best to start with “Superman” back extensions on the floor to reduce the risk of injury. What to look for ...
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How to do back extensions: Pro tips from a personal trainer
Yes, back extensions are a low-impact exercise that can be done with or without equipment. The most popular body-weight variation, the “Superman,” is a great way to build strength and ...