Exercise Library
Standing Back Extension And Flexion
Learn how to perform the Standing Back Extension And Flexion 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 standing back extension and flexion sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.