Step by step instructions, muscle activation and variants for the Lying Crunch with Leg Abduction.
The Lying Crunch with Leg Abduction combines an abdominal crunch with a simultaneous outward leg opening. While reaching your hands through your legs in the crunch, you spread your legs apart, creating a dual demand on the abs, obliques, and outer thighs in one coordinated movement.
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The Lying Crunch with Leg Abduction 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.