Step by step instructions, muscle activation and variants for the Wide Leg Sit-Up.
The Wide Leg Sit-Up is a bodyweight abdominal exercise performed with legs spread apart, which reduces hip-flexor involvement and places greater emphasis on the abs. The wide stance increases stability and shifts the load directly onto the core.
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The Wide Leg Sit-Up 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.