Fritz and D’Orazio suggest adding the below core exercises to any fitness routine to help increase strength and stability..
Plank
Muscles worked include the transversus abdominis, rectus abdominis, internal oblique and external oblique.
How to do it:
- Start in a push-up position with both hands on the ground and elbows aligned underneath the shoulders.
- Your toes should be on the ground, and your feet should be shoulder-width apart.
- Engage your core by drawing your belly button toward your spine. Keep your back straight: Your spine should be in a neutral position.
- Maintain a straight line from your head to your heels and hold the position for 15 seconds. Gradually increase the duration to 30 seconds, one minute and then two minutes as you progress over time.
- To get out of the plank, place your knees on the floor and slowly lower your body down.
Modifications: A plank can also be performed against a wall or bench to make the pose easier. To do a plank against a wall, start by standing in front of the wall with your feet shoulder-width apart. Place your forearms against the wall, shoulder-width apart. Engage your core by drawing your belly button toward your spine. Hold for 30 seconds, increasing the amount of time you hold the wall plank over time.
To make a plank harder, D’Orazio recommends rocking back and forth on the balls of your feet for the entire duration you are in the plank (30 seconds or longer, as you progress over time) while engaging the core. This, she says, fires up the core muscles even more.
Bicycle Crunches
Muscles worked: rectus abdominis and oblique muscles
How to do it:
- Lie on your back with your hands behind your head, elbows pointing out. Bend your knees, keeping your feet flat on the floor about hips-width distance apart.
- Engage your abs by bringing your belly button toward your spine.
- Lift your knees toward your chest to create a 90-degree angle.
- Raise your shoulder blades off the floor.
- Simultaneously, twist your torso to bring your right elbow toward your left knee while extending your right leg.
- Alternate sides, bringing your left elbow to your right knee and extending your right leg, head lifted and elbows extended wide.
- Continue this pedaling motion, as if riding a bicycle, while engaging your core throughout the movement.
- Complete 12 to 15 reps per side.
Modifications: To simplify the movement, D’Orazio recommends trying a half bicycle crunch, in which one leg remains on the ground while you twist your torso to bring your elbow toward your other leg as you extend it. For increased difficulty, double pulse each time your elbow meets your knee.
Bird Dog Crunch
Muscles worked: rectus abdominis and transversus abdominis
How to do it:
- Come to a tabletop position with your knees and palms on the floor, hands aligned under the shoulders, arms straight and neck aligned with the spine.
- Engage your core by drawing your belly button toward your spine.
- Simultaneously extend your left arm forward and your right leg behind you, raised to hip-level.
- Bring your elbow and knee toward each other, rounding your back into an arch as they come together.
- Switch sides between each rep, completing 12 to 15 reps per side.
Modifications: Perform 12 to 15 reps on one side before switching to the other side to make bird dog crunches easier, says D’Orazio. To make this exercise harder, maintain a plank position (with your hands and toes on the floor, shoulder-length apart, and knees raised) instead of a tabletop position. While in the plank position, extend your left arm forward and lift your right leg behind you simultaneously. Then, bring your left elbow and right knee toward each other. Switch sides. Complete 12 to 15 reps per side.
Toe Tap Crunch
Muscles worked: transversus abdominis, rectus abdominis and obliques
How to do it:
- Lie on your back with your knees bent, feet flat on the floor about hip-width apart and arms by your side.
- Engage your core by drawing your belly button to your spine, and bring your feet off the floor, keeping your knees bent at 90 degrees.
- While engaging your core and keeping your low back flat on the ground, bring your left leg down and tap the floor with your toes. The right leg should remain at 90 degrees.
- Return to the starting position, and repeat the move with your other leg.
- Keep the core engaged while completing 12 to 15 reps per side.
Modifications: Tap the floor with both feet at the same time instead of alternating legs for an added challenge, says D’Orazio.To simplify, shorten the number of reps to between five and 10 per side.
Russian Twists
Muscles worked: obliques
How to do it:
- Sit on the ground with your knees bent and feet flat on the floor.
- Engage your core by drawing your belly button toward your spine.
- Lean back slightly so your upper body is tilted to a 45 degree angle while keeping your back straight and core engaged.
- Holding a weight or medicine ball appropriate to your fitness level in both hands, twist your torso from side to side, touching the weight to the ground on each side.
- Complete 12 to 15 reps per side.
How to modify it: To increase difficulty, lift your feet slightly off the ground while completing the movement and/or increase the amount of weight in your hands. To make this exercise easier, eliminate the weight.
Mountain Climbers
Muscles worked: rectus abdominis, transversus abdominis, multifidus, internal and external obliques, erector spinae, upper body and legs.
How to do it:
- Start in a high plank position with your hands directly under your shoulders.
- With the core engaged, drive one knee toward your chest, and quickly alternate legs in a running motion.
- Perform the exercise at a pace that challenges you while maintaining a strong core.
- Keep your hips level, your back straight and your neck long during this exercise.
- Complete 12 to 15 reps per side, or do as many as possible in one minute.
Modifications: Going at a slower pace allows for less difficulty while increasing speed and the number of reps performed offers an added challenge
Dead Bug
Muscles worked: transversus abdominis
How to do it:
- Lie on your back with your feet planted flat on the ground.
- Engage your core by drawing your belly button toward your spine and flattening your lower back toward the floor. Make sure your back remains stable and in this position throughout the exercise to avoid potential strain.
- Extend your arms and hands toward the ceiling and lift your knees to a 90-degree angle.
- Simultaneously lower one arm overhead while extending the opposite leg straight out, hovering each just above the ground.
- Return to the starting position and repeat on the other side, alternating sides in a controlled manner.
- Complete 12 to 15 reps per side.
Modifications: Shorten how far you extend each arm and leg to adjust the difficulty level. For an added challenge, lower both arms and legs at the same time.
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