Alternating Leg Switch Crunch
The Alternating Leg Switch Crunch mainly works the core. No equipment needed: it uses just your bodyweight.
Optional Equipment
Alternating Leg Switch Crunch Muscles Worked
Primary
Abdominals (rectus abdominis); Obliques
Secondary
Deep Core (transverse abdominis)
How to do the Alternating Leg Switch Crunch
Setup
Lie flat on your back on a mat.
Place your hands behind your head, elbows wide, and lift your shoulder blades slightly off the ground to engage your core.
Movement
Lift your legs to a tabletop position.
Simultaneously extend one leg straight out while maintaining a slight hover above the floor.
As you extend one leg, pull the opposite knee toward your chest.
Keep your lower back pressed firmly into the mat throughout the entire movement.
Switch legs in a continuous, controlled motion, alternating sides without pauses.
Form Tips
Keep your core tight and maintain the crunch position throughout the set.
Avoid pulling on your neck with your hands; let your abs do the lifting.
Alternating Leg Switch Crunch FAQs
What muscles does the Alternating Leg Switch Crunch work?
The Alternating Leg Switch Crunch mainly works the core. The main muscles are the rectus abdominis and obliques.
What equipment do you need for the Alternating Leg Switch Crunch?
None. The Alternating Leg Switch Crunch is a bodyweight exercise, so you can do it anywhere.
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