Main Muscle Worked: Chest
Other Muscles Worked: None
Equipment: Dumbbell
Mechanics Type: Compound
Tips: Lie on a bench, head at the end, with your fee flat on the floor. Start with your hands flat against the inside plate of the dumbbell at arms’ length above chest. Lower dumbbell in semicircular motion behind head as far as possible without pain. Keep your elbows as straight as you can. Return dumbbell to starting position. Can also be done with a barbell.