Vertical scissors with tight abs

Vertical scissors are an effective exercise for strengthening the abdominal muscles, especially the lower portion of the rectus abdominis and the deep muscles responsible for stabilizing the pelvis and lumbar spine. The variation with a dumbbell held above the chest increases isometric tension in the upper abs, improves trunk control, and teaches proper pelvic positioning during leg movement. As a result, the exercise becomes more demanding while also being safer for the spine.

Which muscles work during vertical scissors?

• rectus abdominis (especially the lower portion)
• hip flexors (in a controlling role)

• transverse abdominis (core)
• oblique abdominal muscles
• pelvic floor muscles
• spinal stabilizers
• shoulder girdle muscles (holding the dumbbell)

Holding a dumbbell above the chest while lifting the head and shoulder blades forces constant tension in the upper part of the rectus abdominis.

This makes the abs work as a whole, not only in the lower range of leg movement.

The additional load acts as a counterweight, which helps press the lumbar spine into the mat through stronger core activation and better control of pelvic positioning.

Proper technique

1. Lie on your back on a mat.
2. Hold a dumbbell with both hands and lift it above your chest, elbows slightly bent.
3. Lift your head and shoulder blades, strongly engaging the abs.
4. Raise your legs off the floor, keeping the knees slightly bent.
5. Set the pelvis in a posterior tilt the lower back must be fully pressed into the mat.

1. Alternately lower one leg while lifting the other.
2. Adjust the range of motion so the lower back stays pressed into the mat at all times.
3. The movement can be dynamic, but fully controlled.
4. Keep the dumbbell stable above the chest, without swinging the arms.
5. Maintain constant abdominal tension throughout the entire set.

• Exhale during the leg movement.
• Take a short, controlled inhale when switching leg positions.

Active posterior pelvic tilt is crucial. Imagine bringing your lower ribs closer to your hip bones. If a sheet of paper could slide between your back and the mat, control has been lost in that case, raise your legs higher.

Progression and regression

• Legs raised higher (60–75°).
• Shorter set duration.
• Lighter dumbbell or no external load.

• Legs lowered very close to the floor.
• Dumbbell moved slightly behind the head.
• Slower tempo and longer isometric sets.

Most common mistakes

• lifting the lower back off the mat
• lack of posterior pelvic tilt
• lowering the legs too low at the expense of technique
• initiating the movement from the hips instead of the abs
• tense neck and pulling the chin toward the chest
• swinging the dumbbell

Pain in the lower back or groin instead of abdominal engagement indicates that the hip flexors have taken over the movement. Shorten the set, raise the legs higher, and focus on pressing your back firmly into the mat.

Tips

• Keep the chin away from the chest and the neck relaxed.
• Maintain abdominal tension throughout the exercise.
• Always prioritize lumbar control over range of motion.
• Technique matters more than tempo or load.

What training to pair vertical scissors with?

• abdominal training
• FBW plans as a core exercise
• pelvic stability and control training
• spine prehabilitation programs
• functional training and athletic preparation