Scissor Crossover Kick
The Scissor Crossover Kick is a bodyweight core exercise performed lying on your back, where you alternate crossing your extended legs over one another. This movement targets the lower abdominals, obliques, and hip flexors while challenging core stability.
Because the Scissor Crossover Kick places significant demand on the hip flexors and lower spine, the AI analyzes your recovery metrics and previous training load to ensure your core is fresh enough to maintain a neutral spine. If you report lower back sensitivity or your RPE spikes early, the app can instantly recommend regressions like the Dead Bug to protect your back while still training your abs. Over time, the AI learns your endurance threshold, optimizing set duration to maximize core development without compromising form.
Form Cues
- Press your lower back firmly into the floor throughout the entire set
- Keep your legs fully extended and toes pointed
- Cross your thighs over each other in a controlled rhythm
- Brace your core muscles as if preparing for a punch
- Breathe continuously and rhythmically
- Don't allow your lower back to arch off the ground
- Don't bend your knees to make the movement easier
- Don't swing your legs wildly using momentum
- Don't hold your breath while alternating legs
- Don't lift your head excessively, straining your neck
Common Mistakes
- Arching the lower back
- Bending at the knees
- Relying on momentum
- Holding breath
- Straining the neck forward
Muscles Worked
This exercise primarily targets the lower rectus abdominis and obliques, which must work isometrically to stabilize the pelvis against the weight of your extended legs. Secondary emphasis is placed on the hip flexors and inner thigh muscles (adductors) to control the dynamic crossing motion.
Primary
Secondary
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