No planks or sit-ups: My favorite Pilates instructor just shared this 5-minute 'deep core' routine, and it targets the stabilizer muscles to build strength and stability

a woman doing Pilates leg crunch
(Image credit: Shutterstock)

If you hate sit-ups and planks as much as I do, I’ve got good news — they’re not essential when it comes to building a rock-solid core. Your core is your body’s corset, and those deep core muscles work hard to stabilize your body as you walk, sit and stand, as well as protect your spine from injury. Pilates is an effective way to strengthen your core, as the practice focuses on building strength in your midsection.

I’ve been practicing Pilates for the past decade, and below, my favorite instructor, Lilly Sabri, shares a five-minute deep-core routine designed to build strength and stability in your abs. You’ll be working your transverse abdominis muscles, which are the deepest in your midsection, as well as your pelvic floor and lower back muscles.

As a reminder, if you’re a complete beginner, you’re recovering from a specific injury, or you’re pregnant or postpartum, it’s always a good idea to seek personalized advice before trying something new.

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What are the exercises?

This sequence only takes five minutes. You’ll do three different exercises, working for 50 seconds, followed by a quick 10-second break to reset. You won’t need any additional equipment, but using one of the best yoga mats to soften the impact on your joints can make things more comfortable.

Here are the exercises involved:

5 Min Intense Deep Core Workout | Advanced Abs at Home Workout - YouTube 5 Min Intense Deep Core Workout | Advanced Abs at Home Workout - YouTube
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Leg raise, crunch and rotation

This exercise really challenges your entire midsection. Raise your left leg to the ceiling, keeping it as straight as possible, while extending your right leg away from your body and hovering it a few inches off the ground.

From here, place both hands behind your left thigh, and crunch your torso up toward your body. Without lowering your head and neck back to the floor, place your hands on either side of your head and twist your right elbow to your left leg. The movement should be coming from your core.

Single leg extensions

Start in a tabletop position, with your knees bent and stacked over your hips. Keeping your left leg bent, push your hands into your left thigh, maintaining the pressure. Keep your lower back flat on the mat, extend your right leg out, away from your body, then bring it back into your starting position.

Reverse crunches

Place your hands underneath your seat bones and bend both legs, squeezing your thighs together. Use your core to crunch your legs off the floor, keeping your thighs close to your chest. Lower your glutes back to your hands as slowly as possible.

Flutter kicks

The workout finishes with some flutter kicks to really blast the core. Resting your hands underneath your glutes, engage your stomach and extend your legs to a 45-degree angle. Kick your legs up and down, keeping your lower back pressed into the exercise mat.

a woman holding a yoga mat with strong abs

(Image credit: Shutterstock)

The key to all the exercises above is to think about engaging your core. Some people like to imagine they are bracing their midsection as if someone were going to punch their stomach. I like to think about squeezing into a pair of jeans that are a size too small and zipping my abs in and upward.

Move slowly and with control — the slower you move, the harder all the exercises will be. Don’t be tempted to hold your breath, either. Inhale through your nose and exhale through your mouth — this will help you keep your core engaged.


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Jane McGuire
Fitness editor

Jane McGuire is Tom's Guide's Fitness editor, which means she looks after everything fitness related - from running gear to yoga mats. An avid runner, Jane has tested and reviewed fitness products for the past five years, so knows what to look for when finding a good running watch or a pair of shorts with pockets big enough for your smartphone. When she's not pounding the pavements, you'll find Jane striding round the Surrey Hills, taking far too many photos of her puppy. 

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