Biceps
Forearms
Set incline bench 45 degrees. Lie prone (face down), chest supported.
Hold dumbbell each hand, arms hanging straight down, palms facing forward.
Keep elbows tucked, upper arms stationary against bench.
Exhale, curl dumbbells upward towards shoulders.
Squeeze biceps at top.
Inhale, slowly lower dumbbells back to start.
Repeat.