Biceps
Forearms
Stand tall, feet shoulder-width, dumbbell in each hand, palms facing body (neutral grip).
Keep elbows tucked.
Curl one dumbbell (e.g., right) across body towards opposite shoulder (left).
Maintain neutral grip.
Squeeze bicep/brachialis at top.
Slowly lower dumbbell back to start.
Repeat with other arm (left). Continue alternating.