10 Full-Body Strength Exercises To Slim Your Waistline

Building a strong core and achieving a slim waistline requires more than just crunches and sit-ups. Full-body strength exercises engage multiple muscle groups, torch calories, and tighten your midsection all at once. By incorporating movements that challenge your balance, coordination, and overall strength, you can sculpt a leaner, more defined core while improving your posture and athletic performance.

The exercises below are designed to target your entire body with an emphasis on your core. As a trainer, I recommend focusing on form and controlled movements to maximize results. Whether you’re a beginner or advanced, these exercises will push your limits and transform your midsection into a strong, functional powerhouse.

From kettlebell swings to mountain climbers, each exercise delivers a potent combination of muscle engagement and fat-burning intensity. Add these to your routine and see how they reshape your waistline in no time.

The Exercises

Kettlebell Swings

This explosive movement works your entire posterior chain, including your glutes, hamstrings, and lower back, while also challenging your core. The swinging motion requires core engagement to stabilize your body, helping to sculpt a tighter waistline.

1. Stand with your feet slightly wider than shoulder-width apart, holding a kettlebell with both hands.
2. Hinge at your hips and let the kettlebell swing back between your legs.
3. Thrust your hips forward to propel the kettlebell upward to chest height, keeping your arms straight.
4. Let the kettlebell swing back down naturally, and repeat.
5. Perform 3 sets of 12–15 reps.

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Plank to Shoulder Taps

This plank variation targets your core, shoulders, and obliques, improving stability and tightening your waist. It also enhances your balance and coordination while strengthening your upper body.

1. Start in a high plank position with your hands under your shoulders and your body in a straight line.
2. Lift your right hand and tap your left shoulder, keeping your hips stable.
3. Return your hand to the ground and repeat on the other side.
4. Perform 3 sets of 10–12 taps per side.

Dumbbell Renegade Rows

Combining a row with a plank, this exercise targets your core, back, and arms. It helps build strength while keeping your midsection engaged, leading to a slimmer, more toned waistline.

1. Start in a plank position with a dumbbell in each hand.
2. Row the right dumbbell toward your hip, keeping your body stable.
3. Lower the dumbbell back down and repeat with the left arm.
4. Perform 3 sets of 8–10 reps per side.

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Deadlifts

Deadlifts are a full-body powerhouse exercise that strengthens your core, back, glutes, and hamstrings. By engaging your abdominal muscles to stabilize the movement, you can work toward a flatter belly and improved posture.

1. Stand with your feet hip-width apart, holding a barbell or dumbbells in front of your thighs.
2. Hinge at your hips and lower the weight toward the ground, keeping your back flat.
3. Drive through your heels to return to standing, squeezing your glutes at the top.
4. Perform 3 sets of 10–12 reps.

Side Plank with Hip Dips

This dynamic side plank variation strengthens your obliques and core while toning your waistline. The controlled hip dips engage the muscles around your midsection, helping to slim and define your sides.

1. Lie on your side with your forearm on the ground and your feet stacked.
2. Lift your hips into a side plank position, forming a straight line from head to toe.
3. Lower your hips slightly toward the ground, then lift them back up.
4. Perform 3 sets of 10–12 dips per side.

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Pushup to Side Plank

This combination move works your chest, shoulders, core, and obliques, making it a full-body workout that sculpts your waistline. The rotational movement engages your sides, helping to define your midsection.

1. Start in a pushup position with your hands under your shoulders.
2. Lower your chest toward the ground, then push back up.
3. Rotate your body into a side plank, lifting your arm toward the ceiling.
4. Return to the starting position and repeat on the other side.
5. Perform 3 sets of 8–10 reps per side.

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Russian Twists

Russian twists target your obliques and abs, helping to tighten and slim your waist. This seated exercise improves rotational strength and stability, making it ideal for sculpting your core.

1. Sit on the ground with your knees bent and feet lifted slightly off the floor.
2. Hold a weight or medicine ball with both hands.
3. Rotate your torso to one side, then to the other, keeping your core engaged.
4. Perform 3 sets of 12–15 twists per side.

High Knees

High knees are a high-intensity cardio exercise that engages your core while burning calories. The rapid movement helps melt fat around your midsection, contributing to a leaner waistline.

1. Stand tall with your feet hip-width apart.
2. Drive one knee toward your chest, quickly switching to the other leg.
3. Continue alternating legs at a quick pace, pumping your arms for momentum.
4. Perform 3 sets of 20–30 seconds.

Spiderman Plank

This plank variation adds a dynamic twist, targeting your obliques, core, and hip flexors. It strengthens your midsection and enhances stability, helping to flatten your belly.

1. Start in a forearm plank position with your body in a straight line.
2. Bring your right knee toward your right elbow, keeping your core tight.
3. Return your leg to the starting position and repeat on the left side.
4. Perform 3 sets of 10–12 reps per side.

Jumping Jacks

A classic cardio exercise, jumping jacks engage your entire body while boosting your heart rate. They burn calories and engage your core, aiding in fat loss and helping to sculpt a slimmer waistline.

1. Stand tall with your feet together and arms by your sides.
2. Jump your feet out while raising your arms overhead.
3. Jump your feet back together, lowering your arms to the starting position.
4. Perform 3 sets of 20–30 reps.

Tyler Read, BSc, CPT