Exercise Library
Rounded Back Extension
Learn how to perform the Rounded Back Extension with proper form, the muscles it works, and common mistakes to avoid.
Primary muscle
Primary: Lower back (erector spinae) Secondary: Glutes
Secondary muscles
Hamstrings
Equipment
Bodyweight
Category
Others
Track This Exercise in the App
Log your rounded back extension sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.