Hammer-bicep curl
- Stand with feet shoulder-width apart, arms at sides, a heavy dumbbell in each hand, palms facing in.
- Bend left arm to 90 degrees, dumbbell vertical.
- Hold that position as you bend right arm and curl dumbbell to shoulder, keeping elbow in to side.
- Complete all reps, then lower both arms and repeat, holding right arm at 90 degrees.
