Appears in642 Workouts*

Dumbbell Seated In-And-Out

Ignite your core with the Dumbbell Seated In-And-Out. This weighted variation of a classic crunch targets lower abs and stability for a powerful, defined midsection. Perfect for a home or gym burn.

The Dumbbell Seated In-And-Out mainly works the core. No equipment needed: it uses just your bodyweight.

Chloe Ting
chloeting
@chloeting

Optional Equipment

Dumbbells
Dumbbells
Yoga Mat
Yoga Mat

Dumbbell Seated In-And-Out Muscles Worked

Primary

Abdominals (rectus abdominis)

Secondary

Hip Flexor (iliopsoas)

How to do the Dumbbell Seated In-And-Out

Setup

  • Sit on a yoga mat with your legs extended in front of you.

  • Lean your torso back slightly, keeping your chest open and spine neutral.

  • Hold a single dumbbell firmly with both hands in front of your chest.

  • Place your hands on the floor behind your hips for balance, or keep them extended if you prefer a greater stability challenge.

Movement

  • Exhale as you simultaneously pull your knees towards your chest while leaning your torso slightly forward to meet them.

  • Inhale as you extend your legs back out to the starting position, maintaining tension in the abdominal muscles throughout the movement.

  • Keep your feet off the floor throughout the entire exercise.

Proper Form

  • Maintain a steady, controlled rhythm. Avoid swinging your body to create momentum.

  • Focus on engaging your lower abdominal muscles to drive the movement of your legs.

  • Keep the abdominal region tight and braced throughout the entire set.

Dumbbell Seated In-And-Out FAQs

What muscles does the Dumbbell Seated In-And-Out work?

The Dumbbell Seated In-And-Out mainly works the core. The main muscles are the rectus abdominis.

What equipment do you need for the Dumbbell Seated In-And-Out?

None. The Dumbbell Seated In-And-Out is a bodyweight exercise, so you can do it anywhere.

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