Step by step instructions, muscle activation and variants for the Oblique Crunch.
The Oblique Crunch is a floor abdominal exercise that directs the crunch movement diagonally to emphasise the external and internal obliques rather than the rectus abdominis. By rotating the torso as you curl up, you build rotational core strength and improve lateral trunk stability.
Common mistakes content is coming soon.
The Oblique 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.