Lie perpendicular across bench, upper back supported, feet flat on floor, hips low.

Hold one dumbbell with both hands (cup one end), arms extended over chest, slight elbow bend.

Inhale, slowly lower dumbbell in arc over and behind head.

Maintain slight elbow bend. Lower until stretch felt in chest/lats.

Exhale, pull dumbbell back over chest using same arc.

Repeat.