Exercise guide
Alternate Leg Lift Double Hands Crunch
- Beginner
- Compound
- Rep-based
- Upper legs
- Waist
This beginner-friendly core exercise targets the rectus abdominis and obliques while engaging the quadriceps through alternating leg raises. It builds functional core strength and coordination by combining a vertical leg lift with a focused upper-body reach.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Lie flat on your back on a mat with your legs fully extended and arms resting at your sides.
- Engage your core by pressing your lower back firmly into the floor to eliminate any arch.
- Position your head in a neutral alignment, gazing toward the ceiling.
How to do it
- Exhale as you lift one leg toward the ceiling while simultaneously crunching your upper body off the floor.
- Reach both hands toward your lifted foot, aiming for the shin or ankle to engage the upper abs and pectorals.
- Inhale as you lower both your leg and torso back to the starting position with a controlled 2-second tempo.
- Repeat the movement with the opposite leg, alternating sides for each repetition.
Form checklist
- Keep your lower back in constant contact with the floor throughout the movement.
- Lead the crunch with your chest and shoulders rather than pulling with your neck.
- Keep the active leg as straight as possible to maximize quadriceps engagement.
- Ensure the non-working leg remains stationary and flat on the floor.
Pro tips
- Focus on 'shortening the distance' between your ribcage and your pelvis during the crunch for maximum abdominal contraction.
- At the top of the movement, pause for a split second and squeeze your abs to emphasize the peak contraction.
Make it harder
- Keep both feet hovering 2-3 inches off the floor throughout the entire set to maintain constant tension on the lower abs.
- Slow down the lowering phase to 4 seconds to increase the time under tension.
Frequently asked
- What muscles does the alternate leg lift double hands crunch work?
- The alternate leg lift double hands crunch primarily targets the abs and obliques, and also works the hip flexors as secondary muscles.
- What equipment do you need for the alternate leg lift double hands crunch?
- The alternate leg lift double hands crunch requires no equipment — just your body weight.
- Is the alternate leg lift double hands crunch good for beginners?
- Yes. The alternate leg lift double hands crunch is a beginner-friendly movement and a strong foundation to build on.