The Suitcase Carry: One Dumbbell, A Stronger Core

Pick up one moderately heavy dumbbell, kettlebell, or grocery bag and walk. That’s the suitcase carry, and it may be the most useful exercise you’re not doing.

Hold the weight in your right hand with your arm hanging naturally. Stand tall, ribs stacked over your pelvis, and walk slowly for 20 to 30 seconds. Switch hands and repeat. The goal is not to lean away from the weight like a cartoon sailor in a storm. Your torso should stay nearly vertical while the weight tries to pull you sideways.

Here’s the plain-English biomechanics: the load creates a sideways tug on your spine and pelvis. The muscles along your trunk, especially the side abdominal muscles, tighten to prevent that bend. Your hip muscles also work to keep your pelvis level while each foot leaves the floor. Meanwhile, your grip and shoulder have to stabilize the weight without shrugging it toward your ear. It’s a moving lesson in staying organized under pressure.

When you’re doing it right, you’ll feel steady work through the hand, forearm, side of the abdomen, and opposite hip. Your steps should be quiet and controlled. When you’re doing it wrong, your torso bends toward or away from the weight, your shoulder hikes up, or your hips start wiggling like you’re avoiding puddles. A sharp pain in your back, shoulder, or hip is not a normal training sensation; stop and reduce the load or get a professional assessment.

For progression, start with no weight by practicing a tall, controlled walk for 30 seconds per side; then use a light object and build to three 30-second carries per side, resting as needed; next, increase the weight slightly while keeping your posture unchanged; finally, try a heavier load, longer walks, or a pause every few steps—without turning the exercise into a leaning contest. More weight only counts as progress if your ribs, pelvis, and shoulders stay stacked.

This week, do three rounds after a normal walk or strength session: 30 seconds on the right, 30 seconds on the left, with about a minute of rest between rounds. Use a weight that makes the final five seconds challenging but doesn’t turn your stroll into a hostage negotiation.