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نحوه انجام

The back extension is an exercise used to build lower back strength that also targets the hamstrings and glutes. It is often performed on a 45-degree bench with the feet anchored. Unweighted back extensions are often performed for high reps, such as 15-20 reps or more, but the movement can also be performed with added weight in lower rep ranges, such as 8-12 reps per set.