The Ultimate Core Exercises for a Flat Tummy


If you really want to get a flat stomach or even trim abs for that perfect beach body, it’s important to understand how the abdominal muscles work. There are three layers that make up the abdominal wall: the external oblique, internal oblique and transverse abdominal. All three of these layers are what cinch your waist and keep your stomach tight, so to get a nice stomach you need to target all three.

If going to the gym and working with machines isn’t really your thing, then we’ve got you covered. We’ve listed 6 ultimate core exercises that with give you the sexy stomach you desire!

Forearm Spider Plank

This exercise targets all three areas and is great for strengthening your core.

To do this exercise:

  • Start in a plank position with your forearms flat on the ground
  • Make sure your body is flat and your hips are level
  • Bend your right knee to the side and move it forward, towards your right triceps
  • Hold it for a few seconds and then return to plank
  • Repeat with your left side
  • Do 8 to 10 reps on each side

Boat Pose

Also known as a yoga pose, this exercise works on your abdominals as well as your thighs.

To do this exercise:

  • Start by sitting on the floor with your knees bent and your feet flat
  • Slowly lean back into a 45-degree angles raising your arms in front of you
  • Lift your legs up into a 45-degree angle so you are balancing on your butt and your body is in a V position
  • Hold this pose for 15 seconds and then slowly return to the starting position
  • Do 10 to 12 reps


V-Ups are a variation of sit-ups and boat pose that target your lower and upper abdominals.

To do this exercise:

  • Start by laying on the ground with your legs outstretched and your arms over your head
  • Raise your arms and sit up to touch your toes
  • Then, as you slowly lower your upper body back down, raise your legs into the air at a 45-degree angle
  • Before you let your upper body touch the ground completely, raise up again to touch your fingers to your toes
  • Slowly lower your legs and torso back down to a lying position
  • Do 10 to 12 reps

Single-Leg Stretch

This exercise is a popular Pilates move that targets your abdominals.

To do this exercise:

  • Start by lying on your back with your knees bent into your chest
  • Exhale and raise your shoulders off the ground
  • Then, extend your left leg as you pull your right knee in closer to our chest
  • Switch legs
  • Do 18 to 20 reps for leg
  • You can do this slowly or at a faster pace for different results

Leg Raises

Leg raises are great for targeting the lower abdominals and getting rid of that lower belly pooch.

To do this exercise:

  • Start by laying on the floor with your legs outstretched
  • Place your hands underneath your butt to stop your upper body from lifting off the ground
  • Flex your feet and slowly lift them up from the ground until they are at a 90-degree angle
  • Exhale and slowly lower them down until they are hovering just a few inches above the ground
  • Repeat 15 more times


This is another popular Pilates exercise that targets the internal and external obliques, cinching the waist and giving you a nice hourglass figure.

To do this exercise:

  • Start by sitting on the ground with your legs extended to the left and your left foot over your right
  • Put your right hand on the floor by your right hip and your left hand on your left hip
  • Use your oblique to lift your right hip off the ground while your left hand extends upwards
  • Then, lower your left hand until it reaches underneath the right side of your body
  • Repeat for the other side
  • Do 10 to 12 reps on each side