By A Mystery Man Writer
Back Extensions is a gym work out exercise that targets lower back and also involves glutes & hip flexors and hamstrings. Follow the Pin link for full instructions for how to perform this exercise correctly and visit for more exercises, workouts, training plans and more simple fitness resources! ©WorkoutLabs
18 Best Hyperextension Back Exercises - SET FOR SET
18 Best Hyperextension Back Exercises - SET FOR SET
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