Step by step instructions, muscle activation and variants for the Cross-Body Crunch.
The opposite crunch is a rotational abdominal exercise in which you bring the opposite elbow toward the opposite knee, targeting both the rectus abdominis and the obliques in a single movement. The alternating cross-body pattern increases the range of rotation and engages more of the core compared to a standard crunch.
Common mistakes content is coming soon.
The Cross-Body Crunch is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.