Hammer strength row with dumbbellsMuscles Worked: The latissimus dorsi, middle back, and trapezius muscles (upper back) are all worked out by two-arm hammer dumbbell rows. In addition to the forearms and back deltoids (shoulders), this move works the biceps and other secondary muscle groups.

Hammer strength row with dumbbellsMuscles Worked: The latissimus dorsi, middle back, and trapezius muscles (upper back) are all worked out by two-arm hammer dumbbell rows. In addition to the forearms and back deltoids (shoulders), this move works the biceps and other secondary muscle groups.