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Fitness

4 Simple Exercises Trainers Swear By To Get Rid Of Stubborn Belly Fat And Build Core Strength Over 40: Mountain Climbers, More

June 13, 2026 by Mariam Qayum
shefinds | Fitness
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As we get older, stubborn belly fat can become increasingly difficult to lose. Hormonal changes, a slower metabolism, and natural muscle loss all play a role, especially after 40. While spot-reducing fat isn’t possible, fitness experts say the right exercises can help strengthen your core, burn calories, and support overall fat loss. The key is choosing movements that engage multiple muscle groups while building stability and endurance.

Andrew White, a certified personal trainer for Garage Gym Pro, recommends four simple but effective exercises that can help tighten your midsection and improve core strength over time: Russian twists, mountain climbers, burpees, and planks.

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1. Russian Twists

Russian twists are a classic core exercise that target the obliques, abdominals, and lower back muscles. They can help improve rotational strength while creating a more defined waistline.

White recommends sitting with your knees bent and feet on the floor. Lean back slightly while keeping your spine straight, then rotate your torso from side to side.

"Sit on your sit bones with your knees bent. Lean back slightly, keeping your back straight. Twist your torso to the right, then to the left to complete one rep," White says.

Start with three sets of 15 reps per side. As you get stronger, you can increase the number of sets or hold a dumbbell for added resistance.

"Russian twists have helped me and my clients carve out a more defined midsection," he adds.

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2. Mountain Climbers

If you're looking for a move that combines cardio and core training, mountain climbers are a great option. This fast-paced exercise engages the abs, shoulders, legs, and back while helping elevate your heart rate.

Begin in a high plank position. Drive one knee toward your chest, then quickly switch legs in a running motion.

"Mountain climbers are intense and dynamic; I've found them to be great at shredding belly fat," White explains.

He suggests performing as many repetitions as possible for one minute, followed by a 30-second rest. Repeat the cycle for up to 10 minutes for a challenging fat-burning workout.

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3. Burpees

Often considered one of the most effective full-body exercises, burpees combine strength training and cardio in a single movement. They can help increase calorie burn while strengthening the core, arms, chest, and legs.

To perform a burpee, start standing, then squat down and place your hands on the floor. Jump your feet back into a push-up position, complete a push-up, return to a squat, and explode upward into a jump.

"It's a tough, full-body exercise that I've found to ramp up my heart rate and burn a ton of calories," White says.

Aim to complete as many burpees as possible in one minute, followed by 30 seconds of rest. Repeat for 10 minutes if your fitness level allows.

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4. Planks

Planks may look simple, but they are one of the most effective exercises for strengthening the entire core. They engage the abdominals, lower back, shoulders, and glutes while improving posture and stability.

To do a plank, start in a push-up position and lower onto your forearms. Keep your body in a straight line from your head to your heels.

"Try to hold a plank for 30 seconds to a minute, and gradually increase your time as your strength improves," White recommends.

He suggests incorporating three sets into your routine.

"It is an incredibly effective exercise for core strengthening, and I have felt a significant difference in my abs' tightness since I started incorporating it," he says.

The Bottom Line

While no exercise can magically melt away belly fat, these four trainer-approved moves can help strengthen your core, improve overall fitness, and support healthy fat loss when combined with a balanced diet and consistent workout routine.

For women over 40, focusing on strength, stability, and full-body movement can be one of the most effective ways to feel stronger and more confident at any age.

Author:

Editorial Assistant

Mariam is an Editorial Assistant and writer at SheFinds, covering everything from style and beauty to health and wellness. Splitting her time between New York and Philadelphia, she brings a sharp eye for trends and a passion for storytelling to the digital space. With a strong editorial background, she’s always exploring the latest in fashion, skincare, and wellness. When she’s not writing or pitching, you’ll find her in the kitchen experimenting with new recipes or planning her next travel adventure. You can reach Mariam at mariam@shefinds.com.

Woman stepping onto a scale to track weight.
Lifting heavy weights for strength training.
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Woman weighing herself to monitor progress.
Woman holding a plank position for core strength.
Curtsy step-up exercise for leg toning.
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Home workout with dumbbells for strength training.
Senior woman exercising in gym for health benefits.
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Woman stepping onto a scale to track weight.
Lifting heavy weights for strength training.
Two women walking together for fitness and friendship.
Woman weighing herself to monitor progress.
Woman holding a plank position for core strength.
Curtsy step-up exercise for leg toning.
Young woman enjoying a healthy salad post-workout.
Home workout with dumbbells for strength training.

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