Across-Body Straight-Leg Crunch
The Across-Body Straight-Leg Crunch mainly works the core. No equipment needed: it uses just your bodyweight.
Optional Equipment

Across-Body Straight-Leg Crunch Muscles Worked
Primary
Abdominals (rectus abdominis); Obliques
How to do the Across-Body Straight-Leg Crunch
Setup
Lie flat on your back on a yoga mat with your legs extended.
Place your hands lightly behind your head, elbows pointing outward.
Movement
Lift one leg straight toward the ceiling while simultaneously curling your upper body off the floor.
As you crunch up, rotate your torso to bring the opposite elbow toward the raised leg.
Keep your lower back pressed firmly into the mat throughout the movement to engage your core.
Slowly lower your upper back and leg back to the starting position with control.
Alternate sides with each repetition, ensuring a smooth and controlled motion.
Across-Body Straight-Leg Crunch FAQs
What muscles does the Across-Body Straight-Leg Crunch work?
The Across-Body Straight-Leg Crunch mainly works the core. The main muscles are the rectus abdominis and obliques.
What equipment do you need for the Across-Body Straight-Leg Crunch?
None. The Across-Body Straight-Leg Crunch is a bodyweight exercise, so you can do it anywhere.
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