Seated Circle Leg Crunch
Seated Circle Leg Crunch Exercise Description
The Seated Circle Leg Crunch is a bodyweight core exercise that combines trunk flexion with controlled circular leg motion. It targets the rectus abdominis and obliques while the hip flexors move the legs; the deep trunk musculature stabilizes the spine against unwanted extension and rotation. Performing smooth leg circles challenges control in the sagittal and transverse planes, reinforcing bracing and pelvic positioning. The goal is to draw the knees in with a gentle posterior pelvic tilt, then sweep the legs through a wide, low circle without collapsing the lumbar spine. Keep the chest open, shoulders relaxed, and neck neutral so the torso remains steady while the legs move.
- Muscle Groups: Abs, Core, Waist
- Target Muscles: Rectus Abdominis
- Assisting Muscles: External Obliques, Internal Obliques
- Stabilizing Muscles: Multifidus, Quadratus Lumborum, Transversus Abdominis, Trapezius - Lower Fibers, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Core, Torso
- Body Surface: Front
- Body Symmetry: Bilateral
- Equipment: Bodyweight
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Trunk Flexors
- Joint Involvement: Multi-joint
- Muscle Location: Stomach
- Movement Direction: Rotational
- Muscle Position: Anterior
- Gender: Female
How To Do The Seated Circle Leg Crunch Exercise
‘- Sit on a mat, hands on the floor slightly behind your hips, fingers forward, chest tall.
– Retract and depress the scapulae; brace your trunk as if preparing for a cough.
– Lean back a small amount while maintaining a long, neutral spine.
– Lift both feet so shins are roughly parallel to the floor; keep knees together.
– Exhale and draw the knees toward the chest with a gentle posterior pelvic tilt (crunch).
– Sweep the knees out to the side, then down and forward, extending the legs low without touching the floor.
– Continue the circle to return to the start position; keep the torso steady and ribs stacked over the pelvis.
– Inhale as the legs travel away; exhale as they come in.
– Reverse the direction of the circles for equal control.
– Keep movements smooth and pain-free; reduce circle size if the low back arches or the shoulders shrug.
– Avoid pulling on the neck, bouncing the feet, or swinging with momentum.
Seated Circle Leg Crunch Tips
‘- Place your hands slightly behind your hips with fingers pointing forward and keep your chest tall.
– Retract and depress your shoulder blades to keep the chest open and shoulders relaxed.
– Brace your trunk as if preparing for a cough before you start moving your legs.
– Lean back only a small amount while maintaining a long, neutral spine.
– Lift both feet so your shins are roughly parallel to the floor and keep your knees together.
– As you exhale, draw your knees toward your chest with a gentle posterior pelvic tilt.
– Sweep the knees out to the side, then down and forward, extending the legs low without letting them touch the floor.
– Keep your torso steady and ribs stacked over your pelvis while the legs move in a smooth circle.
– Inhale as your legs travel away from you and exhale as they come back in.
– Reverse the direction of the circles to practice equal control both ways.
– Keep movements smooth and pain-free, reducing the circle size if your low back arches or your shoulders shrug.
– Avoid pulling on your neck, bouncing the feet, or swinging with momentum.
Seated Circle Leg Crunch Beginner Introduction
The Seated Circle Leg Crunch is a bodyweight core move that blends a small curling action of the upper body with a smooth, circular path of the legs. It places the abs and side abs in a prime role, with the hip flexors guiding the legs through space while the deeper core muscles guard the lower back. Because the legs sweep in a wide arc rather than straight in and out, the exercise challenges front‑to‑back and twisting control at the same time, highlighting steady bracing through the mid‑section.
In practice, the person sits on the floor with the hands supporting the torso, leans slightly back, and raises both shins so they hover above the ground. From there, the knees travel toward the chest and then trace a low, broad circle before returning to the start, all while the chest stays lifted and the neck relaxed. The low back is protected by a gentle tuck of the pelvis and by resisting any sagging or arching as the circle passes its lowest point. Breathing usually falls into a rhythm, with an exhale during the inward curl of the legs and an inhale as the legs extend away.