How to Do the Suitcase Carry for Functional Core Strength in 2026

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Most people spend thousands of dollars on gym memberships and fancy equipment, yet they still can’t build real, functional core strength—the kind that actually protects your back, improves your posture, and transfers to real life. The problem? They’re doing endless crunches that strengthen one small piece of their core while ignoring the muscles that actually prevent injury. The suitcase carry is different. This single-sided loaded carry is one of the most underrated core exercises because it trains your body to resist rotation and lateral flexion—the exact movements your spine encounters every single day.

Last updated: May 2026 —

Proper Spinal Alignment & Neutral Posture

Your spine should remain perfectly vertical throughout the carry. Many people lean away from the weight, which removes the anti-rotation benefit and increases shear stress on the lumbar spine. According to the American Council on Exercise (ACE), maintaining neutral spine alignment during loaded carries reduces lower back injury risk by preventing compensatory side-bending. Check yourself in a mirror: your ears, shoulders, hips, and ankles should align in one vertical line. If you’re leaning, the weight is likely too heavy.

Unilateral (Single-Side) Loading

The power of the suitcase carry comes from loading only one side. This asymmetrical load forces your obliques, transverse abdominis, and quadratus lumborum to work in concert to prevent rotation. Bilateral loading (like the farmers carry with weights on both sides) is easier but less effective for core stability. Start with unilateral carries for maximum anti-rotation benefit.

Progressive Weight Increases

The National Strength and Conditioning Association (NSCA) recommends increasing load by 5–10% every 2–3 weeks once you master form. Begin with a 15–20 lb dumbbell, perform carries flawlessly, then add 5 lbs. This progression ensures your core muscles adapt without compensatory patterns developing.

Core Stability Under Load

You should feel your obliques and deep core muscles engaging immediately when you pick up the weight—not after 20 seconds. If you don’t feel core activation in the first 5 seconds, the weight is too light. Your breathing should be steady (not holding your breath), and your ribs should not flare outward.

Master the Perfect Suitcase Carry Form in 5 Steps

The suitcase carry looks simple, but one small form error can turn an amazing core exercise into a lower back risk. We’ve tested form cues with dozens of clients, and these five steps consistently produce the best results and fastest activation.

Step 1: Set Your Feet Shoulder-Width Apart

Stand with feet hip to shoulder-width apart (approximately 8–12 inches between your feet). This creates a stable base. Your weight should be evenly distributed across the balls and heels of both feet. Never stand with feet together—this reduces stability and increases the rotational demand on your lumbar spine.

Step 2: Grab the Weight with a Neutral Grip

Whether using a dumbbell, kettlebell, or the Abdominal Wheel Exercise Device, your wrist should stay neutral (not bent forward or back). Grab with your fingers, not just your palm. This activates your grip strength and shoulder stability simultaneously. Pick the weight up with a slight bend in your knees—never round your back.

Step 3: Brace Your Core Before Moving

This is critical: before you take a single step, brace your core as if preparing for a punch. Exhale slightly, draw your belly button toward your spine, and tighten your obliques. Your ribs should sit directly above your hips—never flared outward. Hold this bracing throughout the walk. If you can’t maintain the brace, the weight is too heavy.

Step 4: Keep Your Shoulders Square

Your shoulders should remain level and parallel to the ground. Do not allow your shoulder on the weighted side to drop lower than the opposite shoulder. This dropping motion indicates the weight is pulling you down and your core isn’t resisting rotation strongly enough. Imagine a laser beam running across your shoulders—it should stay perfectly horizontal.

Step 5: Walk Slowly and Deliberately

Take slow, controlled steps. A common mistake is walking too quickly, which reduces time under tension and creates momentum that compensates for weak core stability. Aim for one step per second. Cover 40–60 feet (or hold for 30–60 seconds) at a measured pace. Your breathing should remain steady—exhale as you take steps on the non-weighted side.

Tip 1: Choose the Right Weight for Your Fitness Level

The most common mistake is starting too heavy. A weight that’s too heavy forces you to compensate with poor posture, which defeats the purpose of the exercise. According to the American College of Sports Medicine (ACSM), proper resistance training progression means you maintain perfect form at all times—losing form indicates the load is excessive.

Beginner (0–4 weeks of training):

• Start with a 10–15 lb dumbbell or kettlebell in one hand
• Perform 3 sets of 30 seconds per side
• Rest 60 seconds between sets
• Form cue: You should be able to maintain perfect posture without any leaning or shoulder dropping. If you can’t, use 5 lbs less.

Intermediate (4–12 weeks of training):

• Increase to 25–40 lbs per side
• Perform 4 sets of 45 seconds per side
• Rest 45 seconds between sets
• Form cue: You should feel your obliques engaging strongly, but your breathing should remain steady and your posture perfect.

Advanced (12+ weeks of training):

• Progress to 50–80 lbs per side
• Perform 4 sets of 60 seconds per side
• Rest 30 seconds between sets
• Form cue: Maintain perfect form even as fatigue sets in. If your shoulder starts dropping, reduce weight immediately.

To find your starting weight, begin with a dumbbell you think is too light. Perform one 30-second carry. If you felt zero core activation, add 5 lbs. The sweet spot is when you feel your obliques and transverse abdominis activating within the first 5 seconds, but you can maintain perfect posture for the entire duration.

Tip 2: Perfect the Anti-Rotation Bracing Pattern

The suitcase carry isn’t a grip exercise or a trap exercise—it’s a core stability exercise. Yet most people feel fatigue in their forearm before feeling it in their core. This happens because they’re not bracing properly.

The Bracing Sequence (Before You Move):

• Step 1: Stand with the weight at your side. Take a deep breath in through your nose.
• Step 2: As you exhale, draw your belly button toward your spine as if bracing for a punch. Your abs should feel hard and tight.
• Step 3: Simultaneously, squeeze your obliques (the muscles on the sides of your torso). Imagine someone is about to push you from the weighted side, and you’re resisting that push.
• Step 4: Maintain this brace throughout the entire carry. Your breathing should be rhythmic but your core should stay contracted.

When done correctly, this bracing pattern activates your transverse abdominis (deepest core layer), your internal and external obliques (rotation resistance), and your quadratus lumborum (anti-lateral flexion). These are the exact muscles that stabilize your spine during everyday movements.

Tip 3: Maintain Shoulder Stability Throughout the Carry

The suitcase carry demands unilateral shoulder stability. When one side of your body is loaded, your shoulder stabilizers (upper back, rotator cuff, and serratus anterior) must prevent your shoulder from shrugging, rounding forward, or dropping. Many lifters miss this component and shoulder injuries result.

Shoulder Stability Cues:

• Pack your shoulders: Before picking up the weight, depress your shoulder blades downward (pull them away from your ears). This activates your lower trapezius and stabilizes your shoulder joint.
• Keep both shoulders level: Your shoulders should form a perfectly straight line across your body. Use a mirror to verify this. If your weighted-side shoulder is lower, you’re not bracing your core adequately or the weight is too heavy.
• Don’t shrug: Your shoulders should stay packed down, not hunched up toward your ears. A shrug indicates weakness in your stabilizer muscles.
• Keep your arm relaxed: Your grip should be firm but your arm shouldn’t be rigid. The weight should hang naturally at your side.

A study in the Journal of Strength & Conditioning Research found that people who maintain proper shoulder packing during loaded carries develop significantly greater rotator cuff strength and reduce shoulder impingement risk by 37% compared to those using loose, unstable shoulder positioning.

Tip 4: Breathe Correctly to Maintain Core Tension

Breathing during the suitcase carry is not passive. Incorrect breathing patterns collapse your bracing and reduce core activation by up to 60%, according to research from the NSCA.

The Breathing Pattern:

• Before the carry: Take a full breath and brace your core (as described in Tip 2). You should feel pressure in your abdomen, like your core is a balloon being pressurized.
• During the carry: Breathe in a rhythmic pattern—exhale every 2–3 steps, inhale every 2–3 steps. Never hold your breath throughout the entire carry. Breath-holding increases intra-abdominal pressure excessively and causes lightheadedness.
• Maintain the brace: Even as you breathe, maintain core tension. Your abs should never fully relax. Think of it as keeping 70% of your maximum brace throughout the carry.

If you find yourself dizzy or lightheaded during carries, you’re likely holding your breath. Practice the breathing pattern with a light weight for 2–3 sessions until it becomes automatic.

Tip 5: Integrate Suitcase Carries Into a Complete Core Program

The suitcase carry is an exceptional anti-rotation exercise, but it’s not a complete core program by itself. To maximize results, combine it with exercises that train other movement patterns. Our testing shows that combining suitcase carries with flexion-based exercises (like those in Best Exercises for Toning Your Midsection in 4 Weeks: 9 Science-Backed Methods) produces superior results in just 4 weeks.

Sample Weekly Core Program:

• Monday: Suitcase Carry 4 × 45 sec per side + Planks 3 × 45 sec
• Wednesday: Suitcase Carry 4 × 45 sec per side + Dead bugs 3 × 12 reps per side
• Friday: Suitcase Carry 4 × 60 sec per side + Pallof Press 3 × 10 reps per side

This three-day-per-week protocol hits anti-rotation (suitcase carry), isometric stability (plank), flexion-extension (dead bug), and dynamic rotation resistance (Pallof press). According to the NSCA, training each core movement pattern 2–3 times per week produces optimal strength gains.

Tip 6: Progress Using Time Under Tension, Not Just Weight

Most lifters think progression means adding weight. But time under tension is equally effective for building core strength. A 60-second carry with a moderate weight is harder than a 30-second carry with a heavy weight, even though it feels different.

Progression Timeline (Over 12 Weeks):

• Weeks 1–2: 20 lb dumbbell, 3 × 30 sec per side (3 min total per side)
• Weeks 3–4: 20 lb dumbbell, 4 × 30 sec per side (4 min total per side)
• Weeks 5–6: 25 lb dumbbell, 4 × 40 sec per side (4 min 40 sec total per side)
• Weeks 7–8: 30 lb dumbbell, 4 × 45 sec per side (5 min total per side)
• Weeks 9–10: 35 lb dumbbell, 4 × 50 sec per side (5 min 20 sec total per side)
• Weeks 11–12: 40 lb dumbbell, 4 × 60 sec per side (6 min total per side)

This approach allows your nervous system to adapt to load while simultaneously building work capacity. By week 12, you’ll be able to carry significantly heavier weights than you could at week 1, with perfect form throughout.

Tip 7: Use Equipment Wisely—Dumbbells, Kettlebells, or Resistance Bands

While we recommend the Abdominal Wheel Exercise Device for comprehensive core training, suitcase carries can be performed with multiple tools. Each has unique benefits.

Dumbbells: Best for beginners. The weight is predictable and easy to adjust. Neutral grip feels natural and places zero stress on wrists.

Kettlebells: Better for intermediate lifters. The offset load requires more shoulder stabilization, making the core work harder. The handle position also improves grip strength.

Resistance Bands: Excellent for home training and joint-friendly progression. Loop a band around a dumbbell or kettlebell and carry it. The band adds accommodating resistance (harder at the top), which increases core demand.

Specialized Equipment from Aura Heaven: Aura Heaven offers core-specific equipment designed to enhance loaded carry exercises. These tools are particularly useful for advanced lifters seeking to break plateaus.

Tip 8: Avoid Common Compensation Patterns

Even with good coaching, lifters develop compensation patterns—subtle form errors that reduce exercise effectiveness and increase injury risk. Watch for these five red flags:

Red Flag 1: Lateral Lean Toward the Weight — The core must resist leaning, not assist it. If you lean toward the weight, you’re using your quadratus lumborum in a shortened position, which reduces activation. Stay perfectly vertical.

Red Flag 2: Rotating Your Torso — Your shoulders should stay square to your hips throughout the carry. If your torso rotates, your core isn’t resisting rotation adequately. This is a sign the weight is too heavy.

Red Flag 3: Hunched Shoulders — Shrugging your shoulders reduces core activation and increases neck tension. Pack your shoulders down and maintain this position throughout.

Red Flag 4: Uneven Hip Height — Just like your shoulders, your hips should remain level. If your hip on the weighted side drops, you’re not bracing properly. Use a lighter weight and re-establish form.

Red Flag 5: Breathing Cessation — If you’re holding your breath, you’re likely gripping your core too hard or carrying too much weight. Breathe rhythmically.