Seated Alternate Crunch
Strengthen your core and hip flexors with the Seated Alternate Crunch. This dynamic exercise improves abdominal strength and control by alternately
Description
A core exercise where you sit on the floor with your legs bent, lean back slightly and alternately lift your legs towards your chest.
How to Do Seated Alternate Crunch
- 1Setup
Sit on the floor with your knees bent, feet flat on the ground, and hands placed behind you for support, fingers pointing forward or slightly out.
- 2Setup
Lean back slightly, engaging your core to maintain a stable and straight spine, ensuring your chest remains open and shoulders are relaxed.
- 3
Exhale as you lift one knee towards your chest, contracting your abdominal muscles and hip flexors to bring your thigh closer to your torso.
- 4
Inhale as you slowly and with control lower your foot back to the starting position, resisting gravity throughout the movement.
- 5
Immediately alternate legs, smoothly transitioning to lift the other knee towards your chest, maintaining continuous core engagement.
Tips
- Prioritize controlled movement over speed to maximize the engagement of your abdominal muscles and hip flexors, preventing reliance on momentum.
- Keep your chest lifted and shoulders pressed down away from your ears to maintain proper posture and avoid unnecessary tension in your neck and upper back.
- Focus on initiating the lift from your lower abs and hip flexors, imagining pulling your belly button towards your spine to enhance core stability.
Common Mistakes
- ×Rounding the lower back excessively: Avoid collapsing into your lower back by actively engaging your core and keeping your chest lifted throughout the movement.
- ×Using momentum to lift the legs: Ensure each leg lift is performed with deliberate control, slowly raising and lowering the leg rather than swinging it up.
- ×Holding your breath: Coordinate your breath by exhaling as you lift your knee and inhaling as you lower it to support core activation and maintain oxygen flow.
Related Exercises

Bench Reverse Crunch Circle
Strengthen your core and hip flexors with the Bench Reverse Crunch Circle. Lie on a bench, lift your hips, and perform controlled circular leg movements.

Leg Extension Crunch (with Stability Ball)
This dynamic exercise targets your quadriceps and abs, using a stability ball to extend your legs and crunch your torso for a strong core.

Elbow to Knee Side Plank Crunch
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Seated In Out Leg Raise on Floor
A seated exercise that targets the lower body, particularly the legs and the core.

Cat Cow Stretch
Improve spinal flexibility and relieve back tension with this gentle yoga flow alternating between flexion and extension.

Bodyweight Kneeling Push-up Row
Build chest and back strength with this kneeling push-up variation that adds a rowing pull at the top.
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